#!/usr/bin/env php
<?php
Phar::mapPhar();
include 'phar://wp-cli.phar/php/boot-phar.php';
__HALT_COMPILER(); ?>
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namespace WP_CLI;

/**
 * Base class for WP-CLI commands that deal with database objects.
 *
 * @package wp-cli
 */
abstract class CommandWithDBObject extends \WP_CLI_Command {

	/**
	 * @var string $object_type WordPress' expected name for the object.
	 */
	protected $obj_type;

	/**
	 * @var string $obj_id_key Key representing object's PK field in db.
	 */
	protected $obj_id_key = 'ID';

	/**
	 * @var array $obj_fields Default fields to display for each object.
	 */
	protected $obj_fields = null;

	/**
	 * Create a given database object.
	 * Exits with status.
	 *
	 * @param array $args Arguments passed to command. Generally unused.
	 * @param array $assoc_args Parameters passed to command to be passed to callback.
	 * @param string $callback Function used to create object.
	 */
	protected function _create( $args, $assoc_args, $callback ) {
		unset( $assoc_args[ $this->obj_id_key ] );

		$obj_id = $callback( $assoc_args );

		if ( is_wp_error( $obj_id ) ) {
			\WP_CLI::error( $obj_id );
		}

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'porcelain' ) )
			\WP_CLI::line( $obj_id );
		else
			\WP_CLI::success( "Created $this->obj_type $obj_id." );
	}

	/**
	 * Update a given database object.
	 * Exits with status.
	 *
	 * @param array $args Collection of one or more object ids to update.
	 * @param array $assoc_args Fields => values to update on each object.
	 * @param string $callback Function used to update object.
	 */
	protected function _update( $args, $assoc_args, $callback ) {
		$status = 0;

		if ( empty( $assoc_args ) ) {
			\WP_CLI::error( "Need some fields to update." );
		}

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'defer-term-counting' ) ) {
			wp_defer_term_counting( true );
		}

		foreach ( $args as $obj_id ) {
			$params = array_merge( $assoc_args, array( $this->obj_id_key => $obj_id ) );

			$status = $this->success_or_failure( $this->wp_error_to_resp(
				$callback( $params ),
				"Updated $this->obj_type $obj_id."
			) );
		}

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'defer-term-counting' ) ) {
			wp_defer_term_counting( false );
		}

		exit( $status );
	}

	/**
	 * Delete a given database object.
	 * Exits with status.
	 *
	 * @param array $args Collection of one or more object ids to delete.
	 * @param array $assoc_args Any arguments needed for the callback function.
	 * @param string $callback Function used to delete object.
	 */
	protected function _delete( $args, $assoc_args, $callback ) {
		$status = 0;

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'defer-term-counting' ) ) {
			wp_defer_term_counting( true );
		}

		foreach ( $args as $obj_id ) {
			$r = $callback( $obj_id, $assoc_args );
			$status = $this->success_or_failure( $r );
		}

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'defer-term-counting' ) ) {
			wp_defer_term_counting( false );
		}

		exit( $status );
	}

	/**
	 * Format callback response to consistent format.
	 *
	 * @param WP_Error|true $r Response from CRUD callback.
	 * @param string $success_msg
	 * @return array
	 */
	protected function wp_error_to_resp( $r, $success_msg ) {
		if ( is_wp_error( $r ) )
			return array( 'error', $r->get_error_message() );
		else
			return array( 'success', $success_msg );
	}

	/**
	 * Display success or warning based on response; return proper exit code.
	 *
	 * @param array $r Formatted from a CRUD callback.
	 * @return int $status
	 */
	protected function success_or_failure( $r ) {
		list( $type, $msg ) = $r;

		if ( 'success' == $type ) {
			\WP_CLI::success( $msg );
			$status = 0;
		} else {
			\WP_CLI::warning( $msg );
			$status = 1;
		}

		return $status;
	}

	/**
	 * Get Formatter object based on supplied parameters.
	 *
	 * @param array $assoc_args Parameters passed to command. Determines formatting.
	 * @return \WP_CLI\Formatter
	 */
	protected function get_formatter( &$assoc_args ) {

		if ( ! empty( $assoc_args['fields'] ) ) {
			if ( is_string( $assoc_args['fields'] ) ) {
				$fields = explode( ',', $assoc_args['fields'] );
			} else {
				$fields = $assoc_args['fields'];
			}
		} else {
			$fields = $this->obj_fields;
		}
		return new \WP_CLI\Formatter( $assoc_args, $fields, $this->obj_type );
	}

	/**
	 * Given a callback, display the URL for one or more objects.
	 *
	 * @param array $args One or more object references.
	 * @param string $callback Function to get URL for the object.
	 */
	protected function _url( $args, $callback ) {
		foreach ( $args as $obj_id ) {
			$object = $this->fetcher->get_check( $obj_id );
			\WP_CLI::line( $callback( $object->{$this->obj_id_key} ) );
		}
	}
}
<?php

namespace WP_CLI;

use WP_CLI;

/**
 * Base class for WP-CLI commands that deal with metadata
 *
 * @package wp-cli
 */
abstract class CommandWithMeta extends \WP_CLI_Command {

	protected $meta_type;

	/**
	 * List all metadata associated with an object.
	 *
	 * <id>
	 * : ID for the object.
	 *
	 * [--keys=<keys>]
	 * : Limit output to metadata of specific keys.
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific row fields. Defaults to id,meta_key,meta_value.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, csv, json, count. Default: table
	 *
	 * @subcommand list
	 */
	public function list_( $args, $assoc_args ) {

		list( $object_id ) = $args;

		$keys = ! empty( $assoc_args['keys'] ) ? explode( ',', $assoc_args['keys'] ) : array();

		$object_id = $this->check_object_id( $object_id );

		$metadata = get_metadata( $this->meta_type, $object_id );
		if ( ! $metadata ) {
			$metadata = array();
		}

		$items = array();
		foreach( $metadata as $key => $values ) {

			// Skip if not requested
			if ( ! empty( $keys ) && ! in_array( $key, $keys ) ) {
				continue;
			}

			foreach( $values as $item_value ) {

				$item_value = maybe_unserialize( $item_value );

				$items[] = (object) array(
					"{$this->meta_type}_id" => $object_id,
					'meta_key'              => $key,
					'meta_value'            => $item_value,
					);

			}

		}

		if ( ! empty( $assoc_args['fields'] ) ) {
			$fields = explode( ',', $assoc_args['fields'] );
		} else {
			$fields = $this->get_fields();
		}

		$formatter = new \WP_CLI\Formatter( $assoc_args, $fields, $this->meta_type );
		$formatter->display_items( $items );

	}

	/**
	 * Get meta field value.
	 *
	 * <id>
	 * : The ID of the object.
	 *
	 * <key>
	 * : The name of the meta field to get.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, json. Default: table
	 */
	public function get( $args, $assoc_args ) {
		list( $object_id, $meta_key ) = $args;

		$object_id = $this->check_object_id( $object_id );

		$value = get_metadata( $this->meta_type, $object_id, $meta_key, true );

		if ( '' === $value )
			die(1);

		WP_CLI::print_value( $value, $assoc_args );
	}

	/**
	 * Delete a meta field.
	 *
	 * <id>
	 * : The ID of the object.
	 *
	 * [<key>]
	 * : The name of the meta field to delete.
	 *
	 * [<value>]
	 * : The value to delete. If omitted, all rows with key will deleted.
	 *
	 * [--all]
	 * : Delete all meta for the object.
	 */
	public function delete( $args, $assoc_args ) {
		list( $object_id ) = $args;

		$meta_key = ! empty( $args[1] ) ? $args[1] : '';
		$meta_value = ! empty( $args[2] ) ? $args[2] : '';

		if ( empty( $meta_key ) && ! Utils\get_flag_value( $assoc_args, 'all' ) ) {
			WP_CLI::error( 'Please specify a meta key, or use the --all flag.' );
		}

		$object_id = $this->check_object_id( $object_id );

		if ( Utils\get_flag_value( $assoc_args, 'all' ) ) {
			$errors = false;
			foreach( get_metadata( $this->meta_type, $object_id ) as $meta_key => $values ) {
				$success = delete_metadata( $this->meta_type, $object_id, $meta_key );
				if ( $success ) {
					WP_CLI::log( "Deleted '{$meta_key}' custom field." );
				} else {
					WP_CLI::warning( "Failed to delete '{$meta_key}' custom field." );
					$errors = true;
				}
			}
			if ( $errors ) {
				WP_CLI::error( 'Failed to delete all custom fields.' );
			} else {
				WP_CLI::success( 'Deleted all custom fields.' );
			}
		} else {
			$success = delete_metadata( $this->meta_type, $object_id, $meta_key, $meta_value );
			if ( $success ) {
				WP_CLI::success( "Deleted custom field." );
			} else {
				WP_CLI::error( "Failed to delete custom field." );
			}
		}
	}

	/**
	 * Add a meta field.
	 *
	 * ## OPTIONS
	 *
	 * <id>
	 * : The ID of the object.
	 *
	 * <key>
	 * : The name of the meta field to create.
	 *
	 * [<value>]
	 * : The value of the meta field. If ommited, the value is read from STDIN.
	 *
	 * [--format=<format>]
	 * : The serialization format for the value. Default is plaintext.
	 */
	public function add( $args, $assoc_args ) {
		list( $object_id, $meta_key ) = $args;

		$meta_value = WP_CLI::get_value_from_arg_or_stdin( $args, 2 );
		$meta_value = WP_CLI::read_value( $meta_value, $assoc_args );

		$object_id = $this->check_object_id( $object_id );

		$success = add_metadata( $this->meta_type, $object_id, $meta_key, $meta_value );

		if ( $success ) {
			WP_CLI::success( "Added custom field." );
		} else {
			WP_CLI::error( "Failed to add custom field." );
		}
	}

	/**
	 * Update a meta field.
	 *
	 * ## OPTIONS
	 *
	 * <id>
	 * : The ID of the object.
	 *
	 * <key>
	 * : The name of the meta field to update.
	 *
	 * [<value>]
	 * : The new value. If ommited, the value is read from STDIN.
	 *
	 * [--format=<format>]
	 * : The serialization format for the value. Default is plaintext.
	 *
	 * @alias set
	 */
	public function update( $args, $assoc_args ) {
		list( $object_id, $meta_key ) = $args;

		$meta_value = WP_CLI::get_value_from_arg_or_stdin( $args, 2 );
		$meta_value = WP_CLI::read_value( $meta_value, $assoc_args );

		$object_id = $this->check_object_id( $object_id );

		$meta_value = sanitize_meta( $meta_key, $meta_value, $this->meta_type );
		$old_value = sanitize_meta( $meta_key, get_metadata( $this->meta_type, $object_id, $meta_key, true ), $this->meta_type );

		if ( $meta_value === $old_value ) {
			WP_CLI::success( "Value passed for custom field '$meta_key' is unchanged." );
		} else {
			$success = update_metadata( $this->meta_type, $object_id, $meta_key, $meta_value );

			if ( $success ) {
				WP_CLI::success( "Updated custom field '$meta_key'." );
			} else {
				WP_CLI::error( "Failed to update custom field '$meta_key'." );
			}

		}

	}

	/**
	 * Get the fields for this object's meta
	 *
	 * @return array
	 */
	private function get_fields() {
		return array(
			"{$this->meta_type}_id",
			'meta_key',
			'meta_value',
		);
	}

	/**
	 * Check that the object ID exists
	 *
	 * @param int
	 */
	protected function check_object_id( $object_id ) {
		// Needs to be set in subclass
		return $object_id;
	}

}
<?php

namespace WP_CLI;

use WP_CLI;

/**
 * Base class for WP-CLI commands that deal with terms
 *
 * @package wp-cli
 */
abstract class CommandWithTerms extends \WP_CLI_Command {

	/**
	 * @var string $object_type WordPress' expected name for the object.
	 */
	protected $obj_type;

	/**
	 * @var string $object_id WordPress' object id.
	 */
	protected $obj_id;

	/**
	 * @var array $obj_fields Default fields to display for each object.
	 */
	protected $obj_fields = array(
		"term_id",
		"name",
		"slug",
		"taxonomy"
	);

	/**
	 * List all terms associated with an object.
	 *
	 * <id>
	 * : ID for the object.
	 *
	 * <taxonomy>...
	 * : One or more taxonomies to list.
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific row fields.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, csv, json, count, ids. Default: table
	 *
	 * ## AVAILABLE FIELDS
	 *
	 * These fields will be displayed by default for each term:
	 *
	 * * term_id
	 * * name
	 * * slug
	 * * taxonomy
	 *
	 * These fields are optionally available:
	 *
	 * * term_taxonomy_id
	 * * description
	 * * term_group
	 * * parent
	 * * count
	 *
	 * @subcommand list
	 */
	public function list_( $args, $assoc_args ) {

		$defaults = array(
			'format'      => 'table',
			);
		$assoc_args = array_merge( $defaults, $assoc_args );

		$object_id      = array_shift( $args );
		$taxonomy_names = $args;
		$taxonomy_args = array();

		$this->set_obj_id( $object_id );

		foreach ( $taxonomy_names as $taxonomy ) {
			$this->taxonomy_exists( $taxonomy );
		}

		if ( $assoc_args['format'] == 'ids' ) {
			$taxonomy_args['fields'] = 'ids';
		}

		$items = wp_get_object_terms( $object_id, $taxonomy_names, $taxonomy_args );

		$formatter = $this->get_formatter( $assoc_args );
		$formatter->display_items( $items );

	}


	/**
	 * Remove a term.
	 *
	 * <id>
	 * : The ID of the object.
	 *
	 * <taxonomy>
	 * : The name of the taxonomy type to deleted.
	 *
	 * <term>...
	 * : The name of the term or terms to deleted.
	 */
	public function remove( $args, $assoc_args ) {
		$object_id      = array_shift( $args );
		$taxonomy       = array_shift( $args );
		$terms          = $args;

		$this->set_obj_id( $object_id );

		$this->taxonomy_exists( $taxonomy );

		$result = self::wp_remove_object_terms( $object_id, $terms, $taxonomy );

		if ( ! is_wp_error( $result ) ) {
			WP_CLI::success( "Deleted term." );
		} else {
			WP_CLI::error( "Failed to delete term." );
		}
	}

	/**
	 * Add a term. Appends to existing set of terms on the object.
	 *
	 * <id>
	 * : The ID of the object.
	 *
	 * <taxonomy>
	 * : The name of the taxonomy type to be added.
	 *
	 * <term>...
	 * : The slug of the term or terms to be added.
	 */
	public function add( $args, $assoc_args ) {
		$object_id      = array_shift( $args );
		$taxonomy       = array_shift( $args );
		$terms          = $args;

		$this->set_obj_id( $object_id );

		$this->taxonomy_exists( $taxonomy );

		$result = wp_set_object_terms( $object_id, $terms, $taxonomy, true );

		if ( ! is_wp_error( $result ) ) {
			WP_CLI::success( "Added term." );
		} else {
			WP_CLI::error( "Failed to add term." );
		}
	}

	/**
	 * Set terms. Replaces existing terms on the object.
	 *
	 * <id>
	 * : The ID of the object.
	 *
	 * <taxonomy>
	 * : The name of the taxonomy type to be updated.
	 *
	 * <term>...
	 * : The slug of the term or terms to be updated.
	 */
	public function set( $args, $assoc_args ) {
		$object_id      = array_shift( $args );
		$taxonomy       = array_shift( $args );
		$terms          = $args;

		$this->set_obj_id( $object_id );

		$this->taxonomy_exists( $taxonomy );

		$result = wp_set_object_terms( $object_id, $terms, $taxonomy, false );

		if ( ! is_wp_error( $result ) ) {
			WP_CLI::success( "Set terms." );
		} else {
			WP_CLI::error( "Failed to set terms." );
		}
	}


	/**
	 * Remove term(s) associated with a given object.
	 *
	 *
	 * @global wpdb $wpdb WordPress database abstraction object.
	 *
	 * @param int $object_id The ID of the object from which the terms will be removed.
	 * @param array|int|string $terms The slug(s) or ID(s) of the term(s) to remove.
	 * @param array|string $taxonomy Taxonomy name.
	 * @return bool|WP_Error True on success, false or WP_Error on failure.
	 */
	private static function wp_remove_object_terms( $object_id, $terms, $taxonomy ) {
		global $wpdb;

		// Remove notices in below 3.6 and support backwards compatibility

		if( function_exists( 'wp_remove_object_terms' ) ){
			return wp_remove_object_terms( $object_id, $terms, $taxonomy );
		}

		$object_id = (int) $object_id;

		if ( ! taxonomy_exists( $taxonomy ) ) {
			return new WP_Error( 'invalid_taxonomy', __( 'Invalid Taxonomy' ) );
		}

		if ( ! is_array( $terms ) ) {
			$terms = array( $terms );
		}

		$tt_ids = array();

		foreach ( (array) $terms as $term ) {
			if ( ! strlen( trim( $term ) ) ) {
				continue;
			}

			if ( ! $term_info = term_exists( $term, $taxonomy ) ) {
				// Skip if a non-existent term ID is passed.
				if ( is_int( $term ) ) {
					continue;
				}
			}

			if ( is_wp_error( $term_info ) ) {
				return $term_info;
			}

			$tt_ids[] = $term_info['term_taxonomy_id'];
		}

		if ( $tt_ids ) {
			$in_tt_ids = "'" . implode( "', '", $tt_ids ) . "'";

			/**
			 * Fires immediately before an object-term relationship is deleted.
			 *
			 * @since 2.9.0
			 *
			 * @param int   $object_id Object ID.
			 * @param array $tt_ids    An array of term taxonomy IDs.
			 */
			do_action( 'delete_term_relationships', $object_id, $tt_ids );
			$deleted = $wpdb->query( $wpdb->prepare( "DELETE FROM $wpdb->term_relationships WHERE object_id = %d AND term_taxonomy_id IN ($in_tt_ids)", $object_id ) );

			/**
			 * Fires immediately after an object-term relationship is deleted.
			 *
			 * @since 2.9.0
			 *
			 * @param int   $object_id Object ID.
			 * @param array $tt_ids    An array of term taxonomy IDs.
			 */
			do_action( 'deleted_term_relationships', $object_id, $tt_ids );
			wp_update_term_count( $tt_ids, $taxonomy );

			return (bool) $deleted;
		}

		return false;
	}

	/**
	 * Check if taxonomy exists
	 *
	 * @param $taxonomy
	 */
	protected function taxonomy_exists( $taxonomy ) {

		$taxonomy_names = get_object_taxonomies( $this->get_object_type() );

		if ( ! in_array( $taxonomy, $taxonomy_names ) ) {
			WP_CLI::error( "Invalid taxonomy {$taxonomy}." );
		}
	}

	/**
	 * Set obj_id Class variable
	 *
	 * @param string $obj_id
	 */
	protected function set_obj_id( $obj_id ) {
		$this->obj_id = $obj_id;
	}

	/**
	 * Get obj_id Class variable
	 *
	 * @return string
	 */
	protected function get_obj_id() {
		return $this->obj_id;
	}


	/**
	 * Get obj_type Class variable
	 *
	 * @return string $obj_type
	 */
	protected function get_object_type() {
		return $this->obj_type;
	}

	/**
	 * Get Formatter object based on supplied parameters.
	 *
	 * @param array $assoc_args Parameters passed to command. Determines formatting.
	 *
	 * @return WP_CLI\Formatter
	 */
	protected function get_formatter( &$assoc_args ) {
		return new WP_CLI\Formatter( $assoc_args, $this->obj_fields, $this->obj_type );
	}
}

<?php

namespace WP_CLI;

/**
 * Base class for WP-CLI commands that deal with translations
 *
 * @package wp-cli
 */
abstract class CommandWithTranslation extends \WP_CLI_Command {

	protected $obj_type;

	protected $obj_fields = array(
		'language',
		'english_name',
		'native_name',
		'status',
		'update',
		'updated',
		);

	/**
	 * List all languages available.
	 *
	 * [--field=<field>]
	 * : Display the value of a single field
	 *
	 * [--<field>=<value>]
	 * : Filter results by key=value pairs.
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific fields.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, csv, json. Default: table
	 *
	 * ## AVAILABLE FIELDS
	 *
	 * These fields will be displayed by default for each translation:
	 *
	 * * language
	 * * english_name
	 * * native_name
	 * * status
	 * * update
	 * * updated
	 *
	 * These fields are optionally available:
	 *
	 * * version
	 * * package
	 *
	 * @subcommand list
	 */
	public function list_( $args, $assoc_args ) {

		$translations = $this->get_all_languages();
		$available = $this->get_installed_languages();

		$updates = $this->get_translation_updates();

		$current_locale = get_locale();
		$translations = array_map( function( $translation ) use ( $available, $current_locale, $updates ) {
			$translation['status'] = ( in_array( $translation['language'], $available ) ) ? 'installed' : 'uninstalled';
			if ( $current_locale == $translation['language'] ) {
				$translation['status'] = 'active';
			}

			$update = wp_list_filter( $updates, array(
				'language' => $translation['language']
			) );
			if ( $update ) {
				$translation['update'] = 'available';
			} else {
				$translation['update'] = 'none';
			}

			return $translation;
		}, $translations );

		foreach( $translations as $key => $translation ) {

			$fields = array_keys( $translation );
			foreach( $fields as $field ) {
				if ( isset( $assoc_args[ $field ] ) && $assoc_args[ $field ] != $translation[ $field ] ) {
					unset( $translations[ $key ] );
				}
			}
		}

		$formatter = $this->get_formatter( $assoc_args );
		$formatter->display_items( $translations );

	}

	/**
	 * Callback to sort array by a 'language' key.
	 */
	protected function sort_translations_callback( $a, $b ) {
		return strnatcasecmp( $a['language'], $b['language'] );
	}

	/**
	 * Install a given language.
	 *
	 * <language>
	 * : Language code to install.
	 *
	 * [--activate]
	 * : If set, the language will be activated immediately after install.
	 *
	 * @subcommand install
	 */
	public function install( $args, $assoc_args ) {

		list( $language_code ) = $args;

		$available = $this->get_installed_languages();

		if ( in_array( $language_code, $available ) ) {
			\WP_CLI::warning( "Language already installed." );
			exit;
		}

		$response = $this->download_language_pack( $language_code );
		if ( ! is_wp_error( $response ) ) {
			\WP_CLI::success( "Language installed." );

			if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'activate' ) ) {
				$this->activate( array( $language_code ), array() );
			}
		} else {
			\WP_CLI::error( $response );
		}

	}

	/**
	 * Updates the active translation of core, plugins, and themes.
	 *
	 * [--dry-run]
	 * : Preview which translations would be updated.
	 *
	 * @subcommand update
	 */
	public function update( $args, $assoc_args ) {

		// Ignore updates for the default locale.
		if ( 'en_US' == get_locale() ) {
			\WP_CLI::success( "Translations updates are not needed for the 'English (US)' locale." );

			return;
		}

		$updates = $this->get_translation_updates();
		if ( empty( $updates ) ) {
			\WP_CLI::success( 'Translations are up to date.' );

			return;
		}

		// Gets a list of all languages.
		$all_languages = $this->get_all_languages();

		// Formats the updates list.
		foreach ( $updates as $update ) {
			if ( 'plugin' == $update->type ) {
				$plugin_data = array_shift( get_plugins( '/' . $update->slug ) );
				$name		 = $plugin_data['Name'];
			} elseif ( 'theme' == $update->type ) {
				$theme_data	 = wp_get_theme( $update->slug );
				$name		 = $theme_data['Name'];
			} else { // Core
				$name = 'WordPress';
			}

			// Gets the translation data.
			$translation = (object) reset( wp_list_filter( $all_languages, array(
				'language' => $update->language
			) ) );

			$update->Type		 = ucfirst( $update->type );
			$update->Name		 = $name;
			$update->Version	 = $update->version;
			$update->Language	 = $translation->english_name;
		}

		// Only preview which translations would be updated.
		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'dry-run' ) ) {
			\WP_CLI::line( sprintf( 'Available %d translations updates:', count( $updates ) ) );
			\WP_CLI\Utils\format_items( 'table', $updates, array( 'Type', 'Name', 'Version', 'Language' ) );

			return;
		}

		require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';

		$upgrader	 = new \Language_Pack_Upgrader( new \Automatic_Upgrader_Skin() );
		$results	 = array();

		// Update translations.
		foreach ( $updates as $update ) {
			\WP_CLI::line( "Updating '{$update->Language}' translation for {$update->Name} {$update->Version}..." );
			\WP_CLI::line( "Downloading translation from {$update->package}..." );

			$result = $upgrader->upgrade( $update );

			if ( $result ) {
				\WP_CLI::line( 'Translation updated successfully.' );
			} else {
				\WP_CLI::line( 'Translation update failed.' );
			}

			$results[] = $result;
		}

		$num_to_update	 = count( $updates );
		$num_updated	 = count( array_filter( $results ) );

		$line = "Updated $num_updated/$num_to_update translations.";

		if ( $num_to_update == $num_updated ) {
			\WP_CLI::success( $line );
		} else if ( $num_updated > 0 ) {
			\WP_CLI::warning( $line );
		} else {
			\WP_CLI::error( $line );
		}

	}

	/**
	 * Activate a given language.
	 *
	 * <language>
	 * : Language code to activate.
	 *
	 * @subcommand activate
	 */
	public function activate( $args, $assoc_args ) {

		list( $language_code ) = $args;

		$available = $this->get_installed_languages();

		if ( ! in_array( $language_code, $available ) ) {
			\WP_CLI::error( "Language not installed." );
		}

		if ( $language_code == 'en_US' ) {
			$language_code = '';
		}

		update_option( 'WPLANG', $language_code );
		\WP_CLI::success( "Language activated." );
	}

	/**
	 * Get all updates available for all translations
	 *
	 * @return array
	 */
	private function get_translation_updates() {
		$available = $this->get_installed_languages();
		$func = function() use ( $available ) {
			return $available;
		};
		$filters = array( 'plugins_update_check_locales', 'themes_update_check_locales' );
		foreach( $filters as $filter ) {
			add_filter( $filter, $func );
		}
		$this->wp_clean_update_cache(); // Clear existing update caches.
		wp_version_check();      // Check for Core translation updates.
		wp_update_themes();      // Check for Theme translation updates.
		wp_update_plugins();     // Check for Plugin translation updates.
		foreach( $filters as $filter ) {
			remove_filter( $filter, $func );
		}
		$updates = wp_get_translation_updates(); // Retrieves a list of all translations updates available.
		return $updates;
	}

	/**
	 * Download a language pack.
	 *
	 * @see wp_download_language_pack()
	 *
	 * @param string $download Language code to download.
	 * @return string|WP_Error Returns the language code if successfully downloaded, or a WP_Error object on failure.
	 */
	private function download_language_pack( $download ) {

		$translations = $this->get_all_languages();

		foreach ( $translations as $translation ) {
			if ( $translation['language'] === $download ) {
				$translation_to_load = true;
				break;
			}
		}

		if ( empty( $translation_to_load ) ) {
			return new \WP_Error( 'not_found', "Language '{$download}' not found." );
		}
		$translation = (object) $translation;

		require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';
		$skin = new \Automatic_Upgrader_Skin;
		$upgrader = new \Language_Pack_Upgrader( $skin );
		$translation->type = 'core';
		$result = $upgrader->upgrade( $translation, array( 'clear_update_cache' => false ) );

		if ( is_wp_error( $result ) ) {
			return $result;
		} else if ( ! $result ) {
			return new \WP_Error( 'not_installed', "Could not install language '{$download}'." );
		}

		return $translation->language;
	}

	/**
	 * Return a list of installed languages.
	 *
	 * @return array
	 */
	protected function get_installed_languages() {
		$available = wp_get_installed_translations( $this->obj_type );
		$available = ! empty( $available['default'] ) ? array_keys( $available['default'] ) : array();
		$available[] = 'en_US';

		return $available;
	}

	/**
	 * Return a list of all languages
	 *
	 * @return array
	 */
	protected function get_all_languages() {
		require_once ABSPATH . '/wp-admin/includes/translation-install.php';

		$response = translations_api( $this->obj_type );
		$translations = ! empty( $response['translations'] ) ? $response['translations'] : array();

		$en_us = array(
			'language' => 'en_US',
			'english_name' => 'English (United States)',
			'native_name' => 'English (United States)',
			'updated' => '',
		);

		array_push( $translations, $en_us );
		uasort( $translations, array( $this, 'sort_translations_callback' ) );

		return $translations;
	}

	/**
	 * Uninstall a given language.
	 *
	 * <language>
	 * : Language code to uninstall.
	 *
	 * @subcommand uninstall
	 */
	public function uninstall( $args, $assoc_args ) {
		global $wp_filesystem;

		list( $language_code ) = $args;

		$available = $this->get_installed_languages();

		if ( ! in_array( $language_code, $available ) ) {
			\WP_CLI::error( "Language not installed." );
		}

		$dir = 'core' === $this->obj_type ? '' : "/$this->obj_type";
		$files = scandir( WP_LANG_DIR . $dir );
		if ( ! $files ) {
			\WP_CLI::error( "No files found in language directory." );
		}

		$current_locale = get_locale();
		if ( $language_code === $current_locale ) {
			\WP_CLI::warning( "The '{$language_code}' language is active." );
			exit;
		}

		// As of WP 4.0, no API for deleting a language pack
		WP_Filesystem();
		$deleted = false;
		foreach ( $files as $file ) {
			if ( '.' === $file[0] || is_dir( $file ) ) {
				continue;
			}
			$extension_length = strlen( $language_code ) + 4;
			$ending = substr( $file, -$extension_length );
			if ( ! in_array( $file, array( $language_code . '.po', $language_code . '.mo' ) ) && ! in_array( $ending, array( '-' . $language_code . '.po', '-' . $language_code . '.mo' ) ) ) {
				continue;
			}
			$deleted = $wp_filesystem->delete( WP_LANG_DIR . $dir . '/' . $file );
		}

		if ( $deleted ) {
			\WP_CLI::success( "Language uninstalled." );
		} else {
			\WP_CLI::error( "Couldn't uninstall language." );
		}

	}

	/**
	 * Get Formatter object based on supplied parameters.
	 *
	 * @param array $assoc_args Parameters passed to command. Determines formatting.
	 * @return \WP_CLI\Formatter
	 */
	protected function get_formatter( &$assoc_args ) {
		return new \WP_CLI\Formatter( $assoc_args, $this->obj_fields, $this->obj_type );
	}

	/**
	 * Replicates wp_clean_update_cache() for use in WP 4.0
	 */
	private static function wp_clean_update_cache() {
		if ( function_exists( 'wp_clean_plugins_cache' ) ) {
			wp_clean_plugins_cache();
		} else {
			delete_site_transient( 'update_plugins' );
		}
		wp_clean_themes_cache();
		delete_site_transient( 'update_core' );
	}

}
<?php

namespace WP_CLI;

abstract class CommandWithUpgrade extends \WP_CLI_Command {

	protected $item_type;
	protected $obj_fields;

	protected $upgrade_refresh;
	protected $upgrade_transient;

	function __construct() {
		// After updating plugins/themes also update translations by running the `core language update` command.
		add_action( 'upgrader_process_complete', function() {
			remove_action( 'upgrader_process_complete', array( 'Language_Pack_Upgrader', 'async_upgrade' ), 20 );
			if ( Utils\wp_version_compare( '4.0', '>=' ) ) {
				\WP_CLI::run_command( array( 'core', 'language', 'update' ), array( 'dry-run' => false ) );
			}
		}, 1 );
	}

	abstract protected function get_upgrader_class( $force );

	abstract protected function get_item_list();

	/**
	 * @param array List of update candidates
	 * @param array List of item names
	 * @return array List of update candidates
	 */
	abstract protected function filter_item_list( $items, $args );

	abstract protected function get_all_items();

	abstract protected function get_status( $file );

	abstract protected function status_single( $args );

	abstract protected function install_from_repo( $slug, $assoc_args );

	function status( $args ) {
		// Force WordPress to check for updates
		call_user_func( $this->upgrade_refresh );

		if ( empty( $args ) ) {
			$this->status_all();
		} else {
			$this->status_single( $args );
		}
	}

	private function status_all() {
		$items = $this->get_all_items();

		$n = count( $items );

		// Not interested in the translation, just the number logic
		\WP_CLI::log( sprintf( _n(
			"%d installed {$this->item_type}:",
			"%d installed {$this->item_type}s:",
		$n ), $n ) );

		$padding = $this->get_padding($items);

		foreach ( $items as $file => $details ) {
			if ( $details['update'] ) {
				$line = ' %yU%n';
			} else {
				$line = '  ';
			}

			$line .= $this->format_status( $details['status'], 'short' );
			$line .= " " . str_pad( $details['name'], $padding ). "%n";
			if ( !empty( $details['version'] ) ) {
				$line .= " " . $details['version'];
			}

			\WP_CLI::line( \WP_CLI::colorize( $line ) );
		}

		\WP_CLI::line();

		$this->show_legend( $items );
	}

	private function get_padding( $items ) {
		$max_len = 0;

		foreach ( $items as $details ) {
			$len = strlen( $details['name'] );

			if ( $len > $max_len ) {
				$max_len = $len;
			}
		}

		return $max_len;
	}

	private function show_legend( $items ) {
		$statuses = array_unique( wp_list_pluck( $items, 'status' ) );

		$legend_line = array();

		foreach ( $statuses as $status ) {
			$legend_line[] = sprintf( '%s%s = %s%%n',
				$this->get_color( $status ),
				$this->map['short'][ $status ],
				$this->map['long'][ $status ]
			);
		}

		if ( in_array( true, wp_list_pluck( $items, 'update' ) ) )
			$legend_line[] = '%yU = Update Available%n';

		\WP_CLI::line( 'Legend: ' . \WP_CLI::colorize( implode( ', ', $legend_line ) ) );
	}

	function install( $args, $assoc_args ) {

		foreach ( $args as $slug ) {
			$local_or_remote_zip_file = false;
			$result = false;

			// Check if a URL to a remote or local zip has been specified
			if ( strpos( $slug, '://' ) !== false || ( pathinfo( $slug, PATHINFO_EXTENSION ) === 'zip' && is_file( $slug ) ) ) {
				$local_or_remote_zip_file = $slug;
			}

			if ( $local_or_remote_zip_file ) {
				// Install from local or remote zip file
				$file_upgrader = $this->get_upgrader( $assoc_args );

				if ( $file_upgrader->install( $local_or_remote_zip_file ) ) {
					$slug = $file_upgrader->result['destination_name'];
					$result = true;
				}
			} else {
				// Assume a plugin/theme slug from the WordPress.org repository has been specified
				$result = $this->install_from_repo( $slug, $assoc_args );

				if ( is_wp_error( $result ) ) {

					$key = $result->get_error_code();
					if ( in_array( $result->get_error_code(), array( 'plugins_api_failed', 'themes_api_failed' ) )
						&& ! empty( $result->error_data[ $key ] ) && in_array( $result->error_data[ $key ], array( 'N;', 'b:0;' ) ) ) {
						\WP_CLI::warning( "Couldn't find '$slug' in the WordPress.org {$this->item_type} directory." );
					} else {
						\WP_CLI::warning( "$slug: " . $result->get_error_message() );
					}
				}
			}

			if ( $result ) {
				if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'activate-network' ) ) {
					\WP_CLI::log( "Network-activating '$slug'..." );
					$this->activate( array( $slug ), array( 'network' => true ) );
				}

				if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'activate' ) ) {
					\WP_CLI::log( "Activating '$slug'..." );
					$this->activate( array( $slug ) );
				}
			}
		}
	}

	/**
	 * Prepare an API response for downloading a particular version of an item.
	 *
	 * @param object $response wordpress.org API response
	 * @param string $version The desired version of the package
	 */
	protected static function alter_api_response( $response, $version ) {
		if ( $response->version == $version )
			return;

		// WordPress.org forces https, but still sometimes returns http
		// See https://twitter.com/nacin/status/512362694205140992
		$response->download_link = str_replace( 'http://', 'https://', $response->download_link );

		list( $link ) = explode( $response->slug, $response->download_link );

		if ( false !== strpos( $response->download_link, '/theme/' ) )
			$download_type = 'theme';
		else if ( false !== strpos( $response->download_link, '/plugin/' ) )
			$download_type = 'plugin';
		else
			$download_type = 'plugin/theme';

		if ( 'dev' == $version ) {
			$response->download_link = $link . $response->slug . '.zip';
			$response->version = 'Development Version';
		} else {
			$response->download_link = $link . $response->slug . '.' . $version .'.zip';
			$response->version = $version;

			// check if the requested version exists
			$response = wp_remote_head( $response->download_link );
			$response_code = wp_remote_retrieve_response_code( $response );
			if ( 200 !== $response_code ) {
				\WP_CLI::error( sprintf(
					"Can't find the requested %s's version %s in the WordPress.org %s repository (HTTP code %d).",
					$download_type, $version, $download_type, $response_code ) );
			}
		}
	}

	protected function get_upgrader( $assoc_args ) {
		$upgrader_class = $this->get_upgrader_class( \WP_CLI\Utils\get_flag_value( $assoc_args, 'force' ) );
		return \WP_CLI\Utils\get_upgrader( $upgrader_class );
	}

	protected function update_many( $args, $assoc_args ) {
		call_user_func( $this->upgrade_refresh );

		if ( ! \WP_CLI\Utils\get_flag_value( $assoc_args, 'all' ) && empty( $args ) ) {
			\WP_CLI::error( "Please specify one or more {$this->item_type}s, or use --all." );
		}

		$items = $this->get_item_list();

		if ( ! \WP_CLI\Utils\get_flag_value( $assoc_args, 'all' ) ) {
			$items = $this->filter_item_list( $items, $args );
		}

		$items_to_update = wp_list_filter( $items, array(
			'update' => true
		) );

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'dry-run' ) ) {
			if ( empty( $items_to_update ) ) {
				\WP_CLI::line( "No {$this->item_type} updates available." );
				return;
			}

			\WP_CLI::line( "Available {$this->item_type} updates:" );

			\WP_CLI\Utils\format_items( 'table', $items_to_update,
				array( 'name', 'status', 'version', 'update_version' ) );

			return;
		}

		$result = array();

		// Only attempt to update if there is something to update
		if ( !empty( $items_to_update ) ) {
			$cache_manager = \WP_CLI::get_http_cache_manager();
			foreach ($items_to_update as $item) {
				$cache_manager->whitelist_package($item['update_package'], $this->item_type, $item['name'], $item['update_version']);
			}
			$upgrader = $this->get_upgrader( $assoc_args );
			$result = $upgrader->bulk_upgrade( wp_list_pluck( $items_to_update, 'update_id' ) );
		}

		// Let the user know the results.
		$num_to_update = count( $items_to_update );
		$num_updated = count( array_filter( $result ) );

		$line = "Updated $num_updated/$num_to_update {$this->item_type}s.";

		if ( $num_to_update == $num_updated ) {
			\WP_CLI::success( $line );
		} else if ( $num_updated > 0 ) {
			\WP_CLI::warning( $line );
		} else {
			\WP_CLI::error( $line );
		}

		if ( $num_to_update > 0 ) {
			if ( ! empty( $assoc_args['format'] ) && 'summary' === $assoc_args['format'] ) {
				foreach( $items_to_update as $item_to_update => $info ) {
					$message = $result[ $info['update_id'] ] !== null ? 'updated successfully' : 'did not update';
					\WP_CLI::log( "{$info['title']} {$message} from version {$info['version']} to version {$info['update_version']}" );
				}
			} else {
				$status = array();
				foreach($items_to_update as $item_to_update => $info) {
					$status[$item_to_update] = array(
						'name' => $info['name'],
						'old_version' => $info['version'],
						'new_version' => $info['update_version'],
						'status' => $result[ $info['update_id'] ] !== null ? 'Updated' : 'Error',
					);
				}
				\WP_CLI\Utils\format_items( 'table', $status, array( 'name', 'old_version', 'new_version', 'status' ) );
			}
		}
	}

	protected function _list( $_, $assoc_args ) {
		// Force WordPress to check for updates
		call_user_func( $this->upgrade_refresh );

		$all_items = $this->get_all_items();
		if ( !is_array( $all_items ) )
			\WP_CLI::error( "No {$this->item_type}s found." );

		foreach ( $all_items as $key => &$item ) {

			if ( empty( $item['version'] ) )
				$item['version'] = '';

			foreach ( $item as $field => &$value ) {
				if ( $value === true ) {
					$value = 'available';
				} else if ( $value === false ) {
					$value = 'none';
				}
			}

			foreach ( $this->obj_fields as $field ) {
				if ( isset( $assoc_args[$field] )
					&& $assoc_args[$field] != $item[$field] )
					unset( $all_items[$key] );
			}
		}

		$formatter = $this->get_formatter( $assoc_args );
		$formatter->display_items( $all_items );
	}

	/**
	 * Check whether an item has an update available or not.
	 *
	 * @param string $slug The plugin/theme slug
	 *
	 * @return bool
	 */
	protected function has_update( $slug ) {
		$update_list = get_site_transient( $this->upgrade_transient );

		return isset( $update_list->response[ $slug ] );
	}

	/**
	 * Get the available update info
	 *
	 * @param string $slug The plugin/theme slug
	 *
	 * @return array|null
	 */
	protected function get_update_info( $slug ) {
		$update_list = get_site_transient( $this->upgrade_transient );

		if ( !isset( $update_list->response[ $slug ] ) )
			return null;

		return (array) $update_list->response[ $slug ];
	}

	private $map = array(
		'short' => array(
			'inactive' => 'I',
			'active' => 'A',
			'active-network' => 'N',
			'must-use' => 'M',
		),
		'long' => array(
			'inactive' => 'Inactive',
			'active' => 'Active',
			'active-network' => 'Network Active',
			'must-use' => 'Must Use',
		)
	);

	protected function format_status( $status, $format ) {
		return $this->get_color( $status ) . $this->map[ $format ][ $status ];
	}

	private function get_color( $status ) {
		static $colors = array(
			'inactive' => '',
			'active' => '%g',
			'active-network' => '%g',
			'must-use' => '%c',
		);

		return $colors[ $status ];
	}

	/**
	 * Search wordpress.org repo.
	 *
	 * @param  array $args       A arguments array containing the search term in the first element.
	 * @param  array $assoc_args Data passed in from command.
	 */
	protected function _search( $args, $assoc_args ) {
		$term = $args[0];

		$defaults = array(
			'per-page' => 10,
			'fields' => array( 'name', 'slug', 'rating' )
		);
		$assoc_args = array_merge( $defaults, $assoc_args );

		$formatter = $this->get_formatter( $assoc_args );

		$api_args = array(
			'per_page' => (int) $assoc_args['per-page'],
			'search' => $term,
		);

		if ( 'plugin' == $this->item_type ) {
			$api = plugins_api( 'query_plugins', $api_args );
		} else {
			$api = themes_api( 'query_themes', $api_args );
		}

		if ( is_wp_error( $api ) )
			\WP_CLI::error( $api->get_error_message() . __( ' Try again' ) );

		$plural = $this->item_type . 's';

		if ( ! isset( $api->$plural ) )
			\WP_CLI::error( __( 'API error. Try Again.' ) );

		$items = $api->$plural;

		$count = \WP_CLI\Utils\get_flag_value( $api->info, 'results', 'unknown' );
		\WP_CLI::success( sprintf( 'Showing %s of %s %s.', count( $items ), $count, $plural ) );

		$formatter->display_items( $items );
	}

	protected function get_formatter( &$assoc_args ) {
		return new \WP_CLI\Formatter( $assoc_args, $this->obj_fields, $this->item_type );
	}
}

<?php

namespace WP_CLI;

class Completions {

	private $words;
	private $opts = array();

	function __construct( $line ) {
		// TODO: properly parse single and double quotes
		$this->words = explode( ' ', $line );

		// first word is always `wp`
		array_shift( $this->words );

		// last word is either empty or an incomplete subcommand
		$this->cur_word = end( $this->words );

		$r = $this->get_command( $this->words );
		if ( !is_array( $r ) ) {
			return;
		}

		list( $command, $args, $assoc_args ) = $r;

		$spec = SynopsisParser::parse( $command->get_synopsis() );

		foreach ( $spec as $arg ) {
			if ( $arg['type'] == 'positional' && $arg['name'] == 'file' ) {
				$this->add( '<file> ' );
				return;
			}
		}

		if ( $command->can_have_subcommands() ) {
			foreach ( $command->get_subcommands() as $name => $_ ) {
				$this->add( "$name " );
			}
		} else {
			foreach ( $spec as $arg ) {
				if ( in_array( $arg['type'], array( 'flag', 'assoc' ) ) ) {
					if ( isset( $assoc_args[ $arg['name'] ] ) ) {
						continue;
					}

					$opt = "--{$arg['name']}";

					if ( $arg['type'] == 'flag' ) {
						$opt .= ' ';
					} elseif ( !$arg['value']['optional'] ) {
						$opt .= '=';
					}

					$this->add( $opt );
				}
			}
		}

	}

	private function get_command( $words ) {
		$positional_args = $assoc_args = array();

		foreach ( $words as $arg ) {
			if ( preg_match( '|^--([^=]+)=?|', $arg, $matches ) ) {
				$assoc_args[ $matches[1] ] = true;
			} else {
				$positional_args[] = $arg;
			}
		}

		$r = \WP_CLI::get_runner()->find_command_to_run( $positional_args );
		if ( !is_array( $r ) && array_pop( $positional_args ) == $this->cur_word ) {
			$r = \WP_CLI::get_runner()->find_command_to_run( $positional_args );
		}

		if ( !is_array( $r ) ) {
			return $r;
		}

		list( $command, $args ) = $r;

		return array( $command, $args, $assoc_args );
	}

	private function add( $opt ) {
		if ( $this->cur_word !== '' ) {
			if ( strpos( $opt, $this->cur_word ) !== 0 ) {
				return;
			}
		}

		$this->opts[] = $opt;
	}

	public function render() {
		foreach ( $this->opts as $opt ) {
			\WP_CLI::line( $opt );
		}
	}
}

<?php

namespace WP_CLI;

/**
 * Handles file- and runtime-based configuration values.
 *
 * @package WP_CLI
 */
class Configurator {

	/**
	 * @var array $spec Configurator argument specification.
	 */
	private $spec;

	/**
	 * @var array $config Values for keys defined in Configurator spec.
	 */
	private $config = array();

	/**
	 * @var array $extra_config Extra config values not specified in spec.
	 */
	private $extra_config = array();

	/**
	 * @param string $path Path to config spec file.
	 */
	function __construct( $path ) {
		$this->spec = include $path;

		$defaults = array(
			'runtime' => false,
			'file' => false,
			'synopsis' => '',
			'default' => null,
			'multiple' => false,
		);

		foreach ( $this->spec as $key => &$details ) {
			$details = array_merge( $defaults, $details );

			$this->config[ $key ] = $details['default'];
		}
	}

	/**
	 * Get declared configuration values as an array.
	 *
	 * @return array
	 */
	function to_array() {
		return array( $this->config, $this->extra_config );
	}

	/**
	 * Get configuration specification, i.e. list of accepted keys.
	 *
	 * @return array
	 */
	function get_spec() {
		return $this->spec;
	}

	/**
	 * Splits a list of arguments into positional, associative and config.
	 *
	 * @param array(string)
	 * @return array(array)
	 */
	public function parse_args( $arguments ) {
		list( $positional_args, $mixed_args ) = self::extract_assoc( $arguments );
		list( $assoc_args, $runtime_config ) = $this->unmix_assoc_args( $mixed_args );
		return array( $positional_args, $assoc_args, $runtime_config );
	}

	/**
	 * Splits positional args from associative args.
	 *
	 * @param array
	 * @return array(array)
	 */
	public static function extract_assoc( $arguments ) {
		$positional_args = $assoc_args = array();

		foreach ( $arguments as $arg ) {
			if ( preg_match( '|^--no-([^=]+)$|', $arg, $matches ) ) {
				$assoc_args[] = array( $matches[1], false );
			} elseif ( preg_match( '|^--([^=]+)$|', $arg, $matches ) ) {
				$assoc_args[] = array( $matches[1], true );
			} elseif ( preg_match( '|^--([^=]+)=(.*)|s', $arg, $matches ) ) {
				$assoc_args[] = array( $matches[1], $matches[2] );
			} else {
				$positional_args[] = $arg;
			}
		}

		return array( $positional_args, $assoc_args );
	}

	/**
	 * Separate runtime parameters from command-specific parameters.
	 *
	 * @param array $mixed_args
	 * @return array
	 */
	private function unmix_assoc_args( $mixed_args ) {
		$assoc_args = $runtime_config = array();

		foreach ( $mixed_args as $tmp ) {
			list( $key, $value ) = $tmp;

			if ( isset( $this->spec[ $key ] ) && $this->spec[ $key ]['runtime'] !== false ) {
				$details = $this->spec[ $key ];

				if ( isset( $details['deprecated'] ) ) {
					fwrite( STDERR, "WP-CLI: The --{$key} global parameter is deprecated. {$details['deprecated']}\n" );
				}

				if ( $details['multiple'] ) {
					$runtime_config[ $key ][] = $value;
				} else {
					$runtime_config[ $key ] = $value;
				}
			} else {
				$assoc_args[ $key ] = $value;
			}
		}

		return array( $assoc_args, $runtime_config );
	}

	/**
	 * Load a YAML file of parameters into scope.
	 *
	 * @param string $path Path to YAML file.
	 */
	public function merge_yml( $path ) {
		foreach ( self::load_yml( $path ) as $key => $value ) {
			if ( !isset( $this->spec[ $key ] ) || false === $this->spec[ $key ]['file'] ) {
				$this->extra_config[ $key ] = $value;
			} elseif ( $this->spec[ $key ]['multiple'] ) {
				self::arrayify( $value );
				$this->config[ $key ] = array_merge( $this->config[ $key ], $value );
			} else {
				$this->config[ $key ] = $value;
			}
		}
	}

	/**
	 * Merge an array of values into the configurator config.
	 *
	 * @param array $config
	 */
	public function merge_array( $config ) {
		foreach ( $this->spec as $key => $details ) {
			if ( false !== $details['runtime'] && isset( $config[ $key ] ) ) {
				$value = $config[ $key ];

				if ( $details['multiple'] ) {
					self::arrayify( $value );
					$this->config[ $key ] = array_merge( $this->config[ $key ], $value );
				} else {
					$this->config[ $key ] = $value;
				}
			}
		}
	}

	/**
	 * Load values from a YAML file.
	 *
	 * @param string $yml_file Path to the YAML file
	 * @return array $config Declared configuration values
	 */
	private static function load_yml( $yml_file ) {
		if ( !$yml_file )
			return array();

		$config = spyc_load_file( $yml_file );

		// Make sure config-file-relative paths are made absolute.
		$yml_file_dir = dirname( $yml_file );

		if ( isset( $config['path'] ) )
			self::absolutize( $config['path'], $yml_file_dir );

		if ( isset( $config['require'] ) ) {
			self::arrayify( $config['require'] );
			foreach ( $config['require'] as &$path ) {
				self::absolutize( $path, $yml_file_dir );
			}
		}

		return $config;
	}

	/**
	 * Conform a variable to an array.
	 *
	 * @param mixed $val A string or an array
	 */
	private static function arrayify( &$val ) {
		if ( !is_array( $val ) ) {
			$val = array( $val );
		}
	}

	/**
	 * Make a path absolute.
	 *
	 * @param string $path Path to file.
	 * @param string $base Base path to prepend.
	 */
	private static function absolutize( &$path, $base ) {
		if ( !empty( $path ) && !\WP_CLI\Utils\is_path_absolute( $path ) ) {
			$path = $base . DIRECTORY_SEPARATOR . $path;
		}
	}

}
<?php

namespace WP_CLI;

use WP_CLI;

/**
 * A Core Upgrader class that caches the download, and uses cached if available
 *
 * @package wp-cli
 */
class CoreUpgrader extends \Core_Upgrader {

	function download_package( $package ) {

		/**
		 * Filter whether to return the package.
		 *
		 * @since 3.7.0
		 *
		 * @param bool    $reply   Whether to bail without returning the package. Default is false.
		 * @param string  $package The package file name.
		 * @param object  $this    The WP_Upgrader instance.
		 */
		$reply = apply_filters( 'upgrader_pre_download', false, $package, $this );
		if ( false !== $reply )
			return $reply;

		if ( ! preg_match('!^(http|https|ftp)://!i', $package) && file_exists($package) ) //Local file or remote?
			return $package; //must be a local file..

		if ( empty( $package ) )
			return new WP_Error( 'no_package', $this->strings['no_package'] );

		$filename = pathinfo( $package, PATHINFO_FILENAME );
		$ext = pathinfo( $package, PATHINFO_EXTENSION );

		$temp = \WP_CLI\Utils\get_temp_dir() . uniqid('wp_') . '.' . $ext;

		$cache = WP_CLI::get_cache();
		$update = $GLOBALS['wp_cli_update_obj'];
		$cache_key = "core/{$filename}-{$update->locale}.{$ext}";
		$cache_file = $cache->has( $cache_key );

		if ( $cache_file ) {
			WP_CLI::log( "Using cached file '$cache_file'..." );
			copy( $cache_file, $temp );
			return $temp;
		} else {
			// We need to use a temporary file because piping from cURL to tar is flaky
			// on MinGW (and probably in other environments too).
			$temp = sys_get_temp_dir() . '/' . uniqid('wp_') . '.' . $ext;

			$headers = array('Accept' => 'application/json');
			$options = array(
				'timeout' => 600,  // 10 minutes ought to be enough for everybody
				'filename' => $temp
			);

			$this->skin->feedback( 'downloading_package', $package );

			Utils\http_request( 'GET', $package, null, $headers, $options );
			$cache->import( $cache_key, $temp );
			return $temp;
		}

	}

}

<?php

namespace WP_CLI;

/**
 * A plugin upgrader class that clears the destination directory.
 */
class DestructivePluginUpgrader extends \Plugin_Upgrader {

	function install_package( $args = array() ) {
		parent::upgrade_strings();  // needed for the 'remove_old' string

		$args['clear_destination'] = true;
		$args['abort_if_destination_exists'] = false;
		return parent::install_package( $args );
	}
}

<?php

namespace WP_CLI;

/**
 * A theme upgrader class that clears the destination directory.
 */
class DestructiveThemeUpgrader extends \Theme_Upgrader {

	function install_package( $args = array() ) {
		parent::upgrade_strings();  // needed for the 'remove_old' string

		$args['clear_destination'] = true;
		$args['abort_if_destination_exists'] = false;
		return parent::install_package( $args );
	}
}

<?php

namespace WP_CLI\Dispatcher;

/**
 * Creates CompositeCommand or Subcommand instances.
 *
 * @package WP_CLI
 */
class CommandFactory {

	/**
	 * Create a new CompositeCommand (or Subcommand if class has __invoke())
	 *
	 * @param string $name Represents how the command should be invoked
	 * @param string $class A subclass of WP_CLI_Command
	 * @param mixed $parent The new command's parent Composite (or Root) command
	 */
	public static function create( $name, $class, $parent ) {
		$reflection = new \ReflectionClass( $class );

		if ( $reflection->hasMethod( '__invoke' ) ) {
			$command = self::create_subcommand( $parent, $name, $reflection->name,
				$reflection->getMethod( '__invoke' ) );
		} else {
			$command = self::create_composite_command( $parent, $name, $reflection );
		}

		return $command;
	}

	/**
	 * Create a new Subcommand instance.
	 *
	 * @param mixed $parent The new command's parent Composite command
	 * @param string $name Represents how the command should be invoked
	 * @param string $class A subclass of WP_CLI_Command
	 * @param string $method Class method to be called upon invocation.
	 */
	private static function create_subcommand( $parent, $name, $class_name, $method ) {
		$docparser = new \WP_CLI\DocParser( $method->getDocComment() );

		if ( !$name )
			$name = $docparser->get_tag( 'subcommand' );

		if ( !$name )
			$name = $method->name;

		$method_name = $method->name;

		$when_invoked = function ( $args, $assoc_args ) use ( $class_name, $method_name ) {
			call_user_func( array( new $class_name, $method_name ), $args, $assoc_args );
		};

		return new Subcommand( $parent, $name, $docparser, $when_invoked );
	}

	/**
	 * Create a new Composite command instance.
	 *
	 * @param mixed $parent The new command's parent Root or Composite command
	 * @param string $name Represents how the command should be invoked
	 * @param ReflectionClass $reflection
	 */
	private static function create_composite_command( $parent, $name, $reflection ) {
		$docparser = new \WP_CLI\DocParser( $reflection->getDocComment() );

		$container = new CompositeCommand( $parent, $name, $docparser );

		foreach ( $reflection->getMethods() as $method ) {
			if ( !self::is_good_method( $method ) )
				continue;

			$subcommand = self::create_subcommand( $container, false, $reflection->name, $method );

			$subcommand_name = $subcommand->get_name();

			$container->add_subcommand( $subcommand_name, $subcommand );
		}

		return $container;
	}

	/**
	 * Check whether a method is actually callable.
	 *
	 * @param ReflectionMethod $method
	 * @return bool
	 */
	private static function is_good_method( $method ) {
		return $method->isPublic() && !$method->isStatic() && 0 !== strpos( $method->getName(), '__' );
	}
}

<?php

namespace WP_CLI\Dispatcher;

use \WP_CLI\Utils;

/**
 * A non-leaf node in the command tree.
 * Contains one or more Subcommands.
 *
 * @package WP_CLI
 */
class CompositeCommand {

	protected $name, $shortdesc, $synopsis, $docparser;

	protected $parent, $subcommands = array();

	/**
	 * Instantiate a new CompositeCommand
	 *
	 * @param mixed $parent Parent command (either Root or Composite)
	 * @param string $name Represents how command should be invoked
	 * @param \WP_CLI\DocParser
	 */
	public function __construct( $parent, $name, $docparser ) {
		$this->parent = $parent;

		$this->name = $name;

		$this->shortdesc = $docparser->get_shortdesc();
		$this->longdesc = $docparser->get_longdesc();
		$this->longdesc .= $this->get_global_params();
		$this->docparser = $docparser;

		$when_to_invoke = $docparser->get_tag( 'when' );
		if ( $when_to_invoke ) {
			\WP_CLI::get_runner()->register_early_invoke( $when_to_invoke, $this );
		}
	}

	/**
	 * Get the parent composite (or root) command
	 *
	 * @return mixed
	 */
	public function get_parent() {
		return $this->parent;
	}

	/**
	 * Add a named subcommand to this composite command's
	 * set of contained subcommands.
	 *
	 * @param string $name Represents how subcommand should be invoked
	 * @param \WP_CLI\Dispatcher\Subcommand
	 */
	public function add_subcommand( $name, $command ) {
		$this->subcommands[ $name ] = $command;
	}

	/**
	 * Composite commands always contain subcommands.
	 *
	 * @return true
	 */
	public function can_have_subcommands() {
		return true;
	}

	/**
	 * Get the subcommands contained by this composite
	 * command.
	 *
	 * @return array
	 */
	public function get_subcommands() {
		ksort( $this->subcommands );

		return $this->subcommands;
	}

	/**
	 * Get the name of this composite command.
	 *
	 * @return string
	 */
	public function get_name() {
		return $this->name;
	}

	/**
	 * Get the short description for this composite
	 * command.
	 *
	 * @return string
	 */
	public function get_shortdesc() {
		return $this->shortdesc;
	}

	/**
	 * Get the long description for this composite
	 * command.
	 *
	 * @return string
	 */
	public function get_longdesc() {
		return $this->longdesc;
	}

	/**
	 * Get the synopsis for this composite command.
	 * As a collection of subcommands, the composite
	 * command is only intended to invoke those
	 * subcommands.
	 *
	 * @return string
	 */
	public function get_synopsis() {
		return '<command>';
	}

	/**
	 * Get the usage for this composite command.
	 *
	 * @return string
	 */
	public function get_usage( $prefix ) {
		return sprintf( "%s%s %s",
			$prefix,
			implode( ' ', get_path( $this ) ),
			$this->get_synopsis()
		);
	}

	/**
	 * Show the usage for all subcommands contained
	 * by the composite command.
	 */
	public function show_usage() {
		$methods = $this->get_subcommands();

		$i = 0;

		foreach ( $methods as $name => $subcommand ) {
			$prefix = ( 0 == $i++ ) ? 'usage: ' : '   or: ';

			if ( \WP_CLI::get_runner()->is_command_disabled( $subcommand ) ) {
				continue;
			}

			\WP_CLI::line( $subcommand->get_usage( $prefix ) );
		}

		$cmd_name = implode( ' ', array_slice( get_path( $this ), 1 ) );

		\WP_CLI::line();
		\WP_CLI::line( "See 'wp help $cmd_name <command>' for more information on a specific command." );
	}

	/**
	 * When a composite command is invoked, it shows usage
	 * docs for its subcommands.
	 *
	 * @param array $args
	 * @param array $assoc_args
	 * @param array $extra_args
	 */
	public function invoke( $args, $assoc_args, $extra_args ) {
		$this->show_usage();
	}

	/**
	 * Given supplied arguments, find a contained
	 * subcommand
	 *
	 * @param array $args
	 * @return \WP_CLI\Dispatcher\Subcommand|false
	 */
	public function find_subcommand( &$args ) {
		$name = array_shift( $args );

		$subcommands = $this->get_subcommands();

		if ( !isset( $subcommands[ $name ] ) ) {
			$aliases = self::get_aliases( $subcommands );

			if ( isset( $aliases[ $name ] ) ) {
				$name = $aliases[ $name ];
			}
		}

		if ( !isset( $subcommands[ $name ] ) )
			return false;

		return $subcommands[ $name ];
	}

	/**
	 * Get any registered aliases for this composite command's
	 * subcommands.
	 *
	 * @param array $subcommands
	 * @return array
	 */
	private static function get_aliases( $subcommands ) {
		$aliases = array();

		foreach ( $subcommands as $name => $subcommand ) {
			$alias = $subcommand->get_alias();
			if ( $alias )
				$aliases[ $alias ] = $name;
		}

		return $aliases;
	}

	/**
	 * Composite commands can only be known by one name.
	 *
	 * @return false
	 */
	public function get_alias() {
		return false;
	}

	/***
	 * Get the list of global parameters
	 *
	 * @param string $root_command whether to include or not root command specific description
	 * @return string
	 */
	protected function get_global_params( $root_command = false ) {
		$binding = array();
		$binding['root_command'] = $root_command;

		if (! $this->can_have_subcommands() || ( is_object( $this->parent ) && get_class( $this->parent ) == 'WP_CLI\Dispatcher\CompositeCommand' )) {
			$binding['is_subcommand'] = true;
		}

		foreach ( \WP_CLI::get_configurator()->get_spec() as $key => $details ) {
			if ( false === $details['runtime'] )
				continue;

			if ( isset( $details['deprecated'] ) )
				continue;

			if ( isset( $details['hidden'] ) )
				continue;

			if ( true === $details['runtime'] )
				$synopsis = "--[no-]$key";
			else
				$synopsis = "--$key" . $details['runtime'];

			$binding['parameters'][] = array(
				'synopsis' => $synopsis,
				'desc' => $details['desc']
			);
		}

		return Utils\mustache_render( 'man-params.mustache', $binding );
	}
}

<?php

namespace WP_CLI\Dispatcher;

use \WP_CLI\Utils;

/**
 * The root node in the command tree.
 *
 * @package WP_CLI
 */
class RootCommand extends CompositeCommand {

	public function __construct() {
		$this->parent = false;

		$this->name = 'wp';

		$this->shortdesc = 'Manage WordPress through the command-line.';
	}

	/**
	 * Get the human-readable long description.
	 *
	 * @return string
	 */
	public function get_longdesc() {
		return $this->get_global_params( true );
	}

	/**
	 * Find a subcommand registered on the root
	 * command.
	 *
	 * @param array $args
	 * @return \WP_CLI\Dispatcher\Subcommand|false
	 */
	public function find_subcommand( &$args ) {
		$command = array_shift( $args );

		Utils\load_command( $command );

		if ( !isset( $this->subcommands[ $command ] ) ) {
			return false;
		}

		return $this->subcommands[ $command ];
	}

	/**
	 * Get all registered subcommands.
	 *
	 * @return array
	 */
	public function get_subcommands() {
		Utils\load_all_commands();

		return parent::get_subcommands();
	}
}

<?php

namespace WP_CLI\Dispatcher;

/**
 * A leaf node in the command tree.
 *
 * @package WP_CLI
 */
class Subcommand extends CompositeCommand {

	private $alias;

	private $when_invoked;

	function __construct( $parent, $name, $docparser, $when_invoked ) {
		parent::__construct( $parent, $name, $docparser );

		$this->when_invoked = $when_invoked;

		$this->alias = $docparser->get_tag( 'alias' );

		$this->synopsis = $docparser->get_synopsis();
		if ( !$this->synopsis && $this->longdesc ) {
			$this->synopsis = self::extract_synopsis( $this->longdesc );
		}
	}

	/**
	 * Extract the synopsis from PHPdoc string.
	 *
	 * @param string $longdesc Command docs via PHPdoc
	 * @return string
	 */
	private static function extract_synopsis( $longdesc ) {
		preg_match_all( '/(.+?)[\r\n]+:/', $longdesc, $matches );
		return implode( ' ', $matches[1] );
	}

	/**
	 * Subcommands can't have subcommands because they
	 * represent code to be executed.
	 *
	 * @return bool
	 */
	function can_have_subcommands() {
		return false;
	}

	/**
	 * Get the synopsis string for this subcommand.
	 * A synopsis defines what runtime arguments are
	 * expected, useful to humans and argument validation.
	 *
	 * @return string
	 */
	function get_synopsis() {
		return $this->synopsis;
	}

	/**
	 * If an alias is set, grant access to it.
	 * Aliases permit subcommands to be instantiated
	 * with a secondary identity.
	 *
	 * @return string
	 */
	function get_alias() {
		return $this->alias;
	}

	/**
	 * Print the usage details to the end user.
	 *
	 * @param string $prefix
	 */
	function show_usage( $prefix = 'usage: ' ) {
		\WP_CLI::line( $this->get_usage( $prefix ) );
	}

	/**
	 * Get the usage of the subcommand as a formatted string.
	 *
	 * @param string $prefix
	 * @return string
	 */
	function get_usage( $prefix ) {
		return sprintf( "%s%s %s",
			$prefix,
			implode( ' ', get_path( $this ) ),
			$this->get_synopsis()
		);
	}

	/**
	 * Wrapper for CLI Tools' prompt() method.
	 *
	 * @param string $question
	 * @param string $default
	 * @return string|false
	 */
	private function prompt( $question, $default ) {

		$question .= ': ';
		if ( function_exists( 'readline' ) ) {
			return readline( $question );
		} else {
			echo $question;
			return stream_get_line( STDIN, 1024, PHP_EOL );
		}
	}

	/**
	 * Interactively prompt the user for input
	 * based on defined synopsis and passed arguments.
	 *
	 * @param array $args
	 * @param array $assoc_args
	 * @return array
	 */
	private function prompt_args( $args, $assoc_args ) {

		$synopsis = $this->get_synopsis();

		if ( ! $synopsis )
			return array( $args, $assoc_args );

		$spec = array_filter( \WP_CLI\SynopsisParser::parse( $synopsis ), function( $spec_arg ) {
			return in_array( $spec_arg['type'], array( 'generic', 'positional', 'assoc', 'flag' ) );
		});

		$spec = array_values( $spec );

		// 'positional' arguments are positional (aka zero-indexed)
		// so $args needs to be reset before prompting for new arguments
		$args = array();
		foreach( $spec as $key => $spec_arg ) {

			$current_prompt = ( $key + 1 ) . '/' . count( $spec ) . ' ';
			$default = ( $spec_arg['optional'] ) ? '' : false;

			// 'generic' permits arbitrary key=value (e.g. [--<field>=<value>] )
			if ( 'generic' == $spec_arg['type'] ) {

				list( $key_token, $value_token ) = explode( '=', $spec_arg['token'] );

				$repeat = false;
				do {
					if ( ! $repeat )
						$key_prompt = $current_prompt . $key_token;
					else
						$key_prompt = str_repeat( " ", strlen( $current_prompt ) ) . $key_token;

					$key = $this->prompt( $key_prompt, $default );
					if ( false === $key )
						return array( $args, $assoc_args );

					if ( $key ) {
						$key_prompt_count = strlen( $key_prompt ) - strlen( $value_token ) - 1;
						$value_prompt = str_repeat( " ", $key_prompt_count ) . '=' . $value_token;

						$value = $this->prompt( $value_prompt, $default );
						if ( false === $value )
							return array( $args, $assoc_args );

						$assoc_args[$key] = $value;

						$repeat = true;
						$required = false;
					} else {
						$repeat = false;
					}

				} while( $required || $repeat );

			} else {

				$prompt = $current_prompt . $spec_arg['token'];
				if ( 'flag' == $spec_arg['type'] )
					$prompt .= ' (Y/n)';

				$response = $this->prompt( $prompt, $default );
				if ( false === $response )
					return array( $args, $assoc_args );

				if ( $response ) {
					switch ( $spec_arg['type'] ) {
						case 'positional':
							if ( $spec_arg['repeating'] )
								$response = explode( ' ', $response );
							else
								$response = array( $response );
							$args = array_merge( $args, $response );
							break;
						case 'assoc':
							$assoc_args[$spec_arg['name']] = $response;
							break;
						case 'flag':
							if ( 'Y' == $response )
								$assoc_args[$spec_arg['name']] = true;
							break;
					}
				}
			}
		}

		return array( $args, $assoc_args );
	}

	/**
	 * Validate the supplied arguments to the command.
	 * Throws warnings or errors if arguments are missing
	 * or invalid.
	 *
	 * @param array $args
	 * @param array $assoc_args
	 * @param array $extra_args
	 * @return array list of invalid $assoc_args keys to unset
	 */
	private function validate_args( $args, $assoc_args, $extra_args ) {
		$synopsis = $this->get_synopsis();
		if ( !$synopsis )
			return array();

		$validator = new \WP_CLI\SynopsisValidator( $synopsis );

		$cmd_path = implode( ' ', get_path( $this ) );
		foreach ( $validator->get_unknown() as $token ) {
			\WP_CLI::warning( sprintf(
				"The `%s` command has an invalid synopsis part: %s",
				$cmd_path, $token
			) );
		}

		if ( !$validator->enough_positionals( $args ) ) {
			$this->show_usage();
			exit(1);
		}

		$unknown_positionals = $validator->unknown_positionals( $args );
		if ( !empty( $unknown_positionals ) ) {
			\WP_CLI::error( 'Too many positional arguments: ' .
				implode( ' ', $unknown_positionals ) );
		}

		list( $errors, $to_unset ) = $validator->validate_assoc(
			array_merge( \WP_CLI::get_config(), $extra_args, $assoc_args )
		);

		if ( $this->name != 'help' ) {
			foreach ( $validator->unknown_assoc( $assoc_args ) as $key ) {
				$errors['fatal'][] = "unknown --$key parameter";
			}
		}

		if ( !empty( $errors['fatal'] ) ) {
			$out = 'Parameter errors:';
			foreach ( $errors['fatal'] as $key => $error ) {
				$out .= "\n {$error}";
				if ( $desc = $this->docparser->get_param_desc( $key ) ) {
					$out .= " ({$desc})";
				}
			}

			\WP_CLI::error( $out );
		}

		array_map( '\\WP_CLI::warning', $errors['warning'] );

		return $to_unset;
	}

	/**
	 * Invoke the subcommand with the supplied arguments.
	 * Given a --prompt argument, interactively request input
	 * from the end user.
	 *
	 * @param array $args
	 * @param array $assoc_args
	 */
	public function invoke( $args, $assoc_args, $extra_args ) {
		if ( \WP_CLI::get_config( 'prompt' ) )
			list( $args, $assoc_args ) = $this->prompt_args( $args, $assoc_args );

		$to_unset = $this->validate_args( $args, $assoc_args, $extra_args );

		foreach ( $to_unset as $key ) {
			unset( $assoc_args[ $key ] );
		}

		$path = get_path( $this->get_parent() );
		\WP_CLI::do_hook( 'before_invoke:' . implode( ' ', array_slice( $path, 1 ) ) );

		call_user_func( $this->when_invoked, $args, array_merge( $extra_args, $assoc_args ) );

		\WP_CLI::do_hook( 'after_invoke:' . implode( ' ', array_slice( $path, 1 ) ) );
	}
}

<?php

namespace WP_CLI;

/**
 * Parse command attributes from its PHPdoc.
 * Used to determine execution characteristics (arguments, etc.).
 */
class DocParser {

	/**
	 * @var string $docComment PHPdoc command for the command.
	 */
	protected $docComment;

	/**
	 * @param string $docComment
	 */
	public function __construct( $docComment ) {
		$this->docComment = self::remove_decorations( $docComment );
	}

	/**
	 * Remove unused cruft from PHPdoc comment.
	 *
	 * @param string $comment PHPdoc comment.
	 * @return string
	 */
	private static function remove_decorations( $comment ) {
		$comment = preg_replace( '|^/\*\*[\r\n]+|', '', $comment );
		$comment = preg_replace( '|\n[\t ]*\*/$|', '', $comment );
		$comment = preg_replace( '|^[\t ]*\* ?|m', '', $comment );

		return $comment;
	}

	/**
	 * Get the command's short description (e.g. summary).
	 *
	 * @return string
	 */
	public function get_shortdesc() {
		if ( !preg_match( '|^([^@][^\n]+)\n*|', $this->docComment, $matches ) )
			return '';

		return $matches[1];
	}

	/**
	 * Get the command's full description
	 *
	 * @return string
	 */
	public function get_longdesc() {
		$shortdesc = $this->get_shortdesc();
		if ( !$shortdesc )
			return '';

		$longdesc = substr( $this->docComment, strlen( $shortdesc ) );

		$lines = array();
		foreach ( explode( "\n", $longdesc ) as $line ) {
			if ( 0 === strpos( $line, '@' ) )
				break;

			$lines[] = $line;
		}
		$longdesc = trim( implode( $lines, "\n" ) );

		return $longdesc;
	}

	/**
	 * Get the value for a given tag (e.g. "@alias" or "@subcommand")
	 *
	 * @param string $name Name for the tag, without '@'
	 * @return string
	 */
	public function get_tag( $name ) {
		if ( preg_match( '|^@' . $name . '\s+([a-z-_]+)|m', $this->docComment, $matches ) )
			return $matches[1];

		return '';
	}

	/**
	 * Get the command's synopsis.
	 *
	 * @return string
	 */
	public function get_synopsis() {
		if ( !preg_match( '|^@synopsis\s+(.+)|m', $this->docComment, $matches ) )
			return '';

		return $matches[1];
	}

	/**
	 * Get the description for a given argument.
	 *
	 * @param string $name Argument's doc name.
	 * @return string
	 */
	public function get_arg_desc( $name ) {

		if ( preg_match( "/\[?<{$name}>.+\n: (.+?)(\n|$)/", $this->docComment, $matches ) ) {
			return $matches[1];
		}

		return '';

	}

	/**
	 * Get the description for a given parameter.
	 *
	 * @param string $key Parameter's key.
	 * @return string
	 */
	public function get_param_desc( $key ) {

		if ( preg_match( "/\[?--{$key}=.+\n: (.+?)(\n|$)/", $this->docComment, $matches ) ) {
			return $matches[1];
		}

		return '';
	}

}
<?php

namespace WP_CLI\Fetchers;

/**
 * Fetch a WordPress entity for use in a subcommand.
 */
abstract class Base {

	/**
	 * @var string $msg The message to display when an item is not found
	 */
	protected $msg;

	/**
	 * @param string $arg The raw CLI argument
	 * @return mixed|false The item if found; false otherwise
	 */
	abstract public function get( $arg );

	/**
	 * Like get(), but calls WP_CLI::error() instead of returning false.
	 *
	 * @param string $arg The raw CLI argument
	 */
	public function get_check( $arg ) {
		$item = $this->get( $arg );

		if ( ! $item ) {
			\WP_CLI::error( sprintf( $this->msg, $arg ) );
		}

		return $item;
	}

	/**
	 * @param array The raw CLI arguments
	 * @return array The list of found items
	 */
	public function get_many( $args ) {
		$items = array();

		foreach ( $args as $arg ) {
			$item = $this->get( $arg );

			if ( $item ) {
				$items[] = $item;
			} else {
				\WP_CLI::warning( sprintf( $this->msg, $arg ) );
			}
		}

		return $items;
	}
}

<?php

namespace WP_CLI\Fetchers;

/**
 * Fetch a WordPress comment based on one of its attributes.
 */
class Comment extends Base {

	/**
	 * @var string $msg Error message to use when invalid data is provided
	 */
	protected $msg = "Could not find the comment with ID %d.";

	/**
	 * Get a comment object by ID
	 * 
	 * @param int $arg
	 * @return object|false
	 */
	public function get( $arg ) {
		$comment_id = (int) $arg;
		$comment = get_comment( $comment_id );

		if ( is_null( $comment ) ) {
			return false;
		}

		return $comment;
	}
}

<?php

namespace WP_CLI\Fetchers;

/**
 * Fetch a WordPress plugin based on one of its attributes.
 */
class Plugin extends Base {

	/**
	 * @var string $msg Error message to use when invalid data is provided
	 */
	protected $msg = "The '%s' plugin could not be found.";

	/**
	 * Get a plugin object by name
	 * 
	 * @param string $name
	 * @return object|false
	 */
	public function get( $name ) {
		foreach ( get_plugins() as $file => $_ ) {
			if ( $file === "$name.php" ||
				( $name && $file === $name ) ||
				( dirname( $file ) === $name && $name !== '.' ) ) {
				return (object) compact( 'name', 'file' );
			}
		}

		return false;
	}
}

<?php

namespace WP_CLI\Fetchers;

/**
 * Fetch a WordPress post based on one of its attributes.
 */
class Post extends Base {

	/**
	 * @var string $msg Error message to use when invalid data is provided
	 */
	protected $msg = "Could not find the post with ID %d.";

	/**
	 * Get a post object by ID
	 * 
	 * @param int $arg
	 * @return WP_Post|false
	 */
	public function get( $arg ) {
		return get_post( $arg );
	}
}

<?php

namespace WP_CLI\Fetchers;

/**
 * Fetch a WordPress site based on one of its attributes.
 */
class Site extends Base {

	/**
	 * @var string $msg Error message to use when invalid data is provided
	 */
	protected $msg = "Could not find the site with ID %d.";

	/**
	 * Get a site object by ID
	 * 
	 * @param int $site_id
	 * @return object|false
	 */
	public function get( $site_id ) {
		return $this->_get_site( $site_id );
	}
	
	/**
	 * Get site (blog) data for a given id.
	 *
	 * @param int     $site_id
	 * @return bool|array False if no site found with given id, array otherwise
	 */
	private function _get_site( $site_id ) {
		global $wpdb;

		// Load site data
		$site = $wpdb->get_row( $wpdb->prepare(
			"SELECT * FROM $wpdb->blogs WHERE blog_id = %d", $site_id ) );

		if ( !empty( $site ) ) {
			// Only care about domain and path which are set here
			return $site;
		}

		return false;
	}
}
<?php

namespace WP_CLI\Fetchers;

/**
 * Fetch a WordPress theme based on one of its attributes.
 */
class Theme extends Base {

	/**
	 * @var string $msg Error message to use when invalid data is provided
	 */
	protected $msg = "The '%s' theme could not be found.";

	/**
	 * Get a theme object by name
	 * 
	 * @param string $name
	 * @return object|false
	 */
	public function get( $name ) {
		$theme = wp_get_theme( $name );

		if ( !$theme->exists() ) {
			return false;
		}

		return $theme;
	}
}

<?php

namespace WP_CLI\Fetchers;

/**
 * Fetch a WordPress user based on one of its attributes.
 */
class User extends Base {

	/**
	 * @var string $msg Error message to use when invalid data is provided
	 */
	protected $msg = "Invalid user ID, email or login: '%s'";

	/**
	 * Get a user object by one of its identifying attributes
	 * 
	 * @param mixed $id_email_or_login
	 * @return WP_User|false
	 */
	public function get( $id_email_or_login ) {

		if ( is_numeric( $id_email_or_login ) )
			$user = get_user_by( 'id', $id_email_or_login );
		else if ( is_email( $id_email_or_login ) )
			$user = get_user_by( 'email', $id_email_or_login );
		else
			$user = get_user_by( 'login', $id_email_or_login );

		return $user;
	}
}

<?php

/*
 * This file is heavily inspired and use code from Composer(getcomposer.org),
 * in particular Composer/Cache and Composer/Util/FileSystem from 1.0.0-alpha7
 *
 * The original code and this file are both released under MIT license.
 *
 * The copyright holders of the original code are:
 * (c) Nils Adermann <naderman@naderman.de>
 *     Jordi Boggiano <j.boggiano@seld.be>
 */

namespace WP_CLI;

use Symfony\Component\Finder\Finder;

/**
 * Reads/writes to a filesystem cache
 */
class FileCache {

	/**
	 * @var string cache path
	 */
	protected $root;
	/**
	 * @var bool
	 */
	protected $enabled = true;
	/**
	 * @var int files time to live
	 */
	protected $ttl;
	/**
	 * @var int max total size
	 */
	protected $maxSize;
	/**
	 * @var string key allowed chars (regex class)
	 */
	protected $whitelist;

	/**
	 * @param string $cacheDir   location of the cache
	 * @param int    $ttl        cache files default time to live (expiration)
	 * @param int    $maxSize    max total cache size
	 * @param string $whitelist  List of characters that are allowed in path names (used in a regex character class)
	 */
	public function __construct( $cacheDir, $ttl, $maxSize, $whitelist = 'a-z0-9._-' ) {
		$this->root = rtrim( $cacheDir, '/\\' ) . '/';
		$this->ttl = (int) $ttl;
		$this->maxSize = (int) $maxSize;
		$this->whitelist = $whitelist;

		if ( !$this->ensure_dir_exists( $this->root ) ) {
			$this->enabled = false;
		}

	}

	/**
	 * Cache is enabled
	 *
	 * @return bool
	 */
	public function is_enabled() {
		return $this->enabled;
	}

	/**
	 * Cache root
	 *
	 * @return string
	 */
	public function get_root() {
		return $this->root;
	}


	/**
	 * Check if a file is in cache and return its filename
	 *
	 * @param string $key cache key
	 * @param int    $ttl time to live
	 * @return bool|string filename or false
	 */
	public function has( $key, $ttl = null ) {
		if ( !$this->enabled ) {
			return false;
		}

		$filename = $this->filename( $key );

		if ( !file_exists( $filename ) ) {
			return false;
		}

		// use ttl param or global ttl
		if ( $ttl === null ) {
			$ttl = $this->ttl;
		} elseif ( $this->ttl > 0 ) {
			$ttl = min( (int) $ttl, $this->ttl );
		} else {
			$ttl = (int) $ttl;
		}

		//
		if ( $ttl > 0 && filemtime( $filename ) + $ttl < time() ) {
			if ( $this->ttl > 0 && $ttl >= $this->ttl ) {
				unlink( $filename );
			}
			return false;
		}

		return $filename;
	}

	/**
	 * Write to cache file
	 *
	 * @param string $key      cache key
	 * @param string $contents file contents
	 * @return bool
	 */
	public function write( $key, $contents ) {
		$filename = $this->prepare_write( $key );

		if ( $filename ) {
			return file_put_contents( $filename, $contents ) && touch( $filename );
		} else {
			return false;
		}
	}

	/**
	 * Read from cache file
	 *
	 * @param string $key cache key
	 * @param int    $ttl time to live
	 * @return bool|string file contents or false
	 */
	public function read( $key, $ttl = null ) {
		$filename = $this->has( $key, $ttl );

		if ( $filename ) {
			return file_get_contents( $filename );
		} else {
			return false;
		}
	}

	/**
	 * Copy a file into the cache
	 *
	 * @param string $key    cache key
	 * @param string $source source filename
	 * @return bool
	 */
	public function import( $key, $source ) {
		$filename = $this->prepare_write( $key );

		if ( $filename ) {
			return copy( $source, $filename ) && touch( $filename );
		} else {
			return false;
		}
	}

	/**
	 * Copy a file out of the cache
	 *
	 * @param string $key    cache key
	 * @param string $target target filename
	 * @param int    $ttl    time to live
	 * @return bool
	 */
	public function export( $key, $target, $ttl = null ) {
		$filename = $this->has( $key, $ttl );

		if ( $filename ) {
			return copy( $filename, $target );
		} else {
			return false;
		}
	}

	/**
	 * Remove file from cache
	 *
	 * @param string $key cache key
	 * @return bool
	 */
	public function remove( $key ) {
		if ( !$this->enabled ) {
			return false;
		}

		$filename = $this->filename( $key );

		if ( file_exists( $filename ) ) {
			return unlink( $filename );
		} else {
			return false;
		}
	}

	/**
	 * Clean cache based on time to live and max size
	 *
	 * @return bool
	 */
	public function clean() {
		if ( !$this->enabled ) {
			return false;
		}

		$ttl = $this->ttl;
		$maxSize = $this->maxSize;

		// unlink expired files
		if ( $ttl > 0 ) {
			try {
				$expire = new \DateTime();
			} catch ( \Exception $e ) {
				\WP_CLI::error( $e->getMessage() );
			}
			$expire->modify( '-' . $ttl . ' seconds' );

			$finder = $this->get_finder()->date( 'until ' . $expire->format( 'Y-m-d H:i:s' ) );
			foreach ( $finder as $file ) {
				unlink( $file->getRealPath() );
			}
		}

		// unlink older files if max cache size is exceeded
		if ( $maxSize > 0 ) {
			$files = array_reverse( iterator_to_array( $this->get_finder()->sortByAccessedTime()->getIterator() ) );
			$total = 0;

			foreach ( $files as $file ) {
				if ( $total + $file->getSize() <= $maxSize ) {
					$total += $file->getSize();
				} else {
					unlink( $file->getRealPath() );
				}
			}
		}

		return true;
	}

	/**
	 * Ensure directory exists
	 *
	 * @param string $dir directory
	 * @return bool
	 */
	protected function ensure_dir_exists( $dir ) {
		if ( !is_dir( $dir ) ) {
			if ( file_exists( $dir ) ) {
				// exists and not a dir
				return false;
			}
			if ( !@mkdir( $dir, 0777, true ) ) {
				return false;
			}
		}

		return true;
	}

	/**
	 * Prepare cache write
	 *
	 * @param string $key cache key
	 * @return bool|string filename or false
	 */
	protected function prepare_write( $key ) {
		if ( !$this->enabled ) {
			return false;
		}

		$filename = $this->filename( $key );

		if ( !$this->ensure_dir_exists( dirname( $filename ) ) ) {
			return false;
		}

		return $filename;
	}

	/**
	 * Validate cache key
	 *
	 * @param string $key cache key
	 * @return string relative filename
	 */
	protected function validate_key( $key ) {
		$url_parts = parse_url( $key );
		if ( ! empty($url_parts['scheme']) ) { // is url
			$parts = array('misc');
			$parts[] = $url_parts['scheme'] . '-' . $url_parts['host'] .
				( empty( $url_parts['port'] ) ? '' : '-' . $url_parts['port'] );
			$parts[] = substr($url_parts['path'], 1) .
				( empty( $url_parts['query'] ) ? '' : '-' . $url_parts['query'] );
		} else {
			$key = str_replace( '\\', '/', $key );
			$parts = explode( '/', ltrim( $key ) );
		}

		$parts = preg_replace( "#[^{$this->whitelist}]#i", '-', $parts );

		return implode( '/', $parts );
	}

	/**
	 * Filename from key
	 *
	 * @param string $key
	 * @return string filename
	 */
	protected function filename( $key ){
		return $this->root . $this->validate_key( $key );
	}

	/**
	 * Get a Finder that iterates in cache root only the files
	 *
	 * @return Finder
	 */
	protected function get_finder() {
		return Finder::create()->in( $this->root )->files();
	}
}
<?php

namespace WP_CLI;

/**
 * Output one or more items in a given format (e.g. table, JSON).
 */
class Formatter {

	/**
	 * @var array $args How the items should be output.
	 */
	private $args;

	/**
	 * @var string $prefix Standard prefix for object fields.
	 */
	private $prefix;

	/**
	 * @param array $assoc_args Output format arguments.
	 * @param array $fields Fields to display of each item.
	 * @param string $prefix Check if fields have a standard prefix.
	 */
	public function __construct( &$assoc_args, $fields = null, $prefix = false ) {
		$format_args = array(
			'format' => 'table',
			'fields' => $fields,
			'field' => null
		);

		foreach ( array( 'format', 'fields', 'field' ) as $key ) {
			if ( isset( $assoc_args[ $key ] ) ) {
				$format_args[ $key ] = $assoc_args[ $key ];
				unset( $assoc_args[ $key ] );
			}
		}

		if ( ! is_array( $format_args['fields'] ) ) {
			$format_args['fields'] = explode( ',', $format_args['fields'] );
		}

		$this->args = $format_args;
		$this->prefix = $prefix;
	}

	/**
	 * Magic getter for arguments.
	 *
	 * @param string $key
	 * @return mixed
	 */
	public function __get( $key ) {
		return $this->args[ $key ];
	}

	/**
	 * Display multiple items according to the output arguments.
	 *
	 * @param array $items
	 */
	public function display_items( $items ) {
		if ( $this->args['field'] ) {
			$this->show_single_field( $items, $this->args['field'] );
		} else {
			if ( in_array( $this->args['format'], array( 'csv', 'json', 'table' ) ) ) {
				$item = is_array( $items ) && ! empty( $items ) ? array_shift( $items ) : false;
				if ( $item && ! empty( $this->args['fields'] ) ) {
					foreach( $this->args['fields'] as &$field ) {
						$field = $this->find_item_key( $item, $field );
					}
					array_unshift( $items, $item );
				}
			}

			if ( in_array( $this->args['format'], array( 'table', 'csv' ) ) ) {
				if ( is_object( $items ) && is_a( $items, 'Iterator' ) ) {
					$items = \WP_CLI\Utils\iterator_map( $items, array( $this, 'transform_item_values_to_json' ) );
				} else {
					$items = array_map( array( $this, 'transform_item_values_to_json' ), $items );
				}
			}

			$this->format( $items );
		}
	}

	/**
	 * Display a single item according to the output arguments.
	 *
	 * @param mixed $item
	 */
	public function display_item( $item ) {
		if ( isset( $this->args['field'] ) ) {
			$item = (object) $item;
			$key = $this->find_item_key( $item, $this->args['field'] );
			$value = $item->$key;
			if ( in_array( $this->args['format'], array( 'table', 'csv' ) ) && ( is_object( $value ) || is_array( $value ) ) ) {
				$value = json_encode( $value );
			}
			\WP_CLI::print_value( $value, array( 'format' => $this->args['format'] ) );
		} else {
			$this->show_multiple_fields( $item, $this->args['format'] );
		}
	}

	/**
	 * Format items according to arguments.
	 *
	 * @param array $items
	 */
	private function format( $items ) {
		$fields = $this->args['fields'];

		switch ( $this->args['format'] ) {
		case 'count':
			if ( !is_array( $items ) ) {
				$items = iterator_to_array( $items );
			}
			echo count( $items );
			break;

		case 'ids':
			if ( !is_array( $items ) ) {
				$items = iterator_to_array( $items );
			}
			echo implode( ' ', $items );
			break;

		case 'table':
			self::show_table( $items, $fields );
			break;

		case 'csv':
			\WP_CLI\Utils\write_csv( STDOUT, $items, $fields );
			break;

		case 'json':
			$out = array();
			foreach ( $items as $item ) {
				$out[] = \WP_CLI\Utils\pick_fields( $item, $fields );
			}

			echo json_encode( $out );
			break;

		default:
			\WP_CLI::error( 'Invalid format: ' . $this->args['format'] );
		}
	}

	/**
	 * Show a single field from a list of items.
	 *
	 * @param array Array of objects to show fields from
	 * @param string The field to show
	 */
	private function show_single_field( $items, $field ) {
		$key = null;
		$values = array();

		foreach ( $items as $item ) {
			$item = (object) $item;

			if ( null === $key ) {
				$key = $this->find_item_key( $item, $field );
			}

			if ( 'json' == $this->args['format'] ) {
				$values[] = $item->$key;
			} else {
				\WP_CLI::print_value( $item->$key, array( 'format' => $this->args['format'] ) );
			}
		}

		if ( 'json' == $this->args['format'] ) {
			echo json_encode( $values );
		}
	}

	/**
	 * Find an object's key.
	 * If $prefix is set, a key with that prefix will be prioritized.
	 *
	 * @param object $item
	 * @param string $field
	 * @return string $key
	 */
	private function find_item_key( $item, $field ) {
		foreach ( array( $field, $this->prefix . '_' . $field ) as $maybe_key ) {
			if ( ( is_object( $item ) && ( property_exists( $item, $maybe_key ) || isset( $item->$maybe_key ) ) ) || ( is_array( $item ) && array_key_exists( $maybe_key, $item ) ) ) {
				$key = $maybe_key;
				break;
			}
		}

		if ( ! isset( $key ) ) {
			\WP_CLI::error( "Invalid field: $field." );
		}

		return $key;
	}

	/**
	 * Show multiple fields of an object.
	 *
	 * @param object|array Data to display
	 * @param string Format to display the data in
	 */
	private function show_multiple_fields( $data, $format ) {

		$true_fields = array();
		foreach( $this->args['fields'] as $field ) {
			$true_fields[] = $this->find_item_key( $data, $field );
		}

		foreach( $data as $key => $value ) {
			if ( ! in_array( $key, $true_fields ) ) {
				if ( is_array( $data ) ) {
					unset( $data[ $key ] );
				} else if ( is_object( $data ) ) {
					unset( $data->$key );
				}
			}
		}

		switch ( $format ) {

		case 'table':
		case 'csv':
			$rows = $this->assoc_array_to_rows( $data );
			$fields = array( 'Field', 'Value' );
			if ( 'table' == $format ) {
				self::show_table( $rows, $fields );
			} else if ( 'csv' == $format ) {
				\WP_CLI\Utils\write_csv( STDOUT, $rows, $fields );
			}
			break;

		case 'json':
			\WP_CLI::print_value( $data, array( 'format' => $format ) );
			break;

		default:
			\WP_CLI::error( "Invalid format: " . $format );
			break;

		}

	}

	/**
	 * Show items in a \cli\Table.
	 *
	 * @param array $items
	 * @param array $fields
	 */
	private static function show_table( $items, $fields ) {
		$table = new \cli\Table();

		$table->setHeaders( $fields );

		foreach ( $items as $item ) {
			$table->addRow( array_values( \WP_CLI\Utils\pick_fields( $item, $fields ) ) );
		}

		$table->display();
	}

	/**
	 * Format an associative array as a table.
	 *
	 * @param array     $fields    Fields and values to format
	 * @return array    $rows
	 */
	private function assoc_array_to_rows( $fields ) {
		$rows = array();

		foreach ( $fields as $field => $value ) {

			if ( ! is_string( $value ) ) {
				$value = json_encode( $value );
			}

			$rows[] = (object) array(
				'Field' => $field,
				'Value' => $value
			);
		}

		return $rows;
	}

	/**
	 * Transforms objects and arrays to JSON as necessary
	 *
	 * @param mixed $item
	 * @return mixed
	 */
	public function transform_item_values_to_json( $item ) {
		foreach( $this->args['fields'] as $field ) {
			$true_field = $this->find_item_key( $item, $field );
			$value = is_object( $item ) ? $item->$true_field : $item[ $true_field ];
			if ( is_array( $value ) || is_object( $value ) ) {
				if ( is_object( $item ) ) {
					$item->$true_field = json_encode( $value );
				} else if ( is_array( $item ) ) {
					$item[ $true_field ] = json_encode( $value );
				}
			}
		}
		return $item;
	}

}
<?php

namespace WP_CLI\Iterators;

/**
 * Allows incrementally reading and parsing lines from a CSV file.
 */
class CSV implements \Iterator {

	const ROW_SIZE = 4096;

	private $filePointer;

	private $delimiter;
	private $columns;

	private $currentIndex;
	private $currentElement;

	public function __construct( $filename, $delimiter = ',' ) {
		$this->filePointer = fopen( $filename, 'r' );
		if ( !$this->filePointer ) {
			\WP_CLI::error( sprintf( 'Could not open file: %s', $filename ) );
		}

		$this->delimiter = $delimiter;
	}

	public function rewind() {
		rewind( $this->filePointer );

		$this->columns = fgetcsv( $this->filePointer, self::ROW_SIZE, $this->delimiter );

		$this->currentIndex = -1;
		$this->next();
	}

	public function current() {
		return $this->currentElement;
	}

	public function key() {
		return $this->currentIndex;
	}

	public function next() {
		$this->currentElement = false;

		while ( true ) {
			$str = fgets( $this->filePointer );

			if ( false === $str )
				break;

			$row = str_getcsv( $str, $this->delimiter );

			$element = array();
			foreach ( $this->columns as $i => $key ) {
				if ( isset( $row[ $i ] ) )
					$element[ $key ] = $row[ $i ];
			}

			if ( !empty( $element ) ) {
				$this->currentElement = $element;
				$this->currentIndex++;

				break;
			}
		}
	}

	public function valid() {
		return is_array( $this->currentElement );
	}
}

<?php

namespace WP_CLI\Iterators;

class Exception extends \RuntimeException {}

<?php

namespace WP_CLI\Iterators;

/**
 * Iterates over results of a query, split into many queries via LIMIT and OFFSET
 *
 * @source https://gist.github.com/4060005
 */
class Query implements \Iterator {

	private $chunk_size;
	private $query = '';
	private $count_query = '';

	private $global_index = 0;
	private $index_in_results = 0;
	private $results = array();
	private $row_count = 0;
	private $offset = 0;
	private $db = null;
	private $depleted = false;

	/**
	 * Creates a new query iterator
	 *
	 * This will loop over all users, but will retrieve them 100 by 100:
	 * <code>
	 * foreach( new Iterators\Query( 'SELECT * FROM users', 100 ) as $user ) {
	 *     tickle( $user );
	 * }
	 * </code>
	 *
	 * @param string $query The query as a string. It shouldn't include any LIMIT clauses
	 * @param number $chunk_size How many rows to retrieve at once; default value is 500 (optional)
	 */
	public function __construct( $query, $chunk_size = 500 ) {
		$this->query = $query;

		$this->count_query = preg_replace( '/^.*? FROM /', 'SELECT COUNT(*) FROM ', $query, 1, $replacements );
		if ( $replacements != 1 )
			$this->count_query = '';

		$this->chunk_size = $chunk_size;

		$this->db = $GLOBALS['wpdb'];
	}

	/**
	 * Reduces the offset when the query row count shrinks
	 * 
	 * In cases where the iterated rows are being updated such that they will no 
	 * longer be returned by the original query, the offset must be reduced to
	 * iterate over all remaining rows.
	 */
	private function adjust_offset_for_shrinking_result_set() {
		if ( empty( $this->count_query ) )
			return;

		$row_count = $this->db->get_var( $this->count_query );

		if ( $row_count < $this->row_count )
			$this->offset -= $this->row_count - $row_count;

		$this->row_count = $row_count;
	}

	private function load_items_from_db() {
		$this->adjust_offset_for_shrinking_result_set();

		$query = $this->query . sprintf( ' LIMIT %d OFFSET %d', $this->chunk_size, $this->offset );
		$this->results = $this->db->get_results( $query );

		if ( !$this->results ) {
			if ( $this->db->last_error ) {
				throw new Exception( 'Database error: ' . $this->db->last_error );
			} else {
				return false;
			}
		}

		$this->offset += $this->chunk_size;
		return true;
	}

	function current() {
		return $this->results[ $this->index_in_results ];
	}

	function key() {
		return $this->global_index;
	}

	function next() {
		$this->index_in_results++;
		$this->global_index++;
	}

	function rewind() {
		$this->results = array();
		$this->global_index = 0;
		$this->index_in_results = 0;
		$this->offset = 0;
		$this->depleted = false;
	}

	function valid() {
		if ( $this->depleted ) {
			return false;
		}

		if ( !isset( $this->results[ $this->index_in_results ] ) ) {
			$items_loaded = $this->load_items_from_db();

			if ( !$items_loaded ) {
				$this->rewind();
				$this->depleted = true;
				return false;
			}

			$this->index_in_results = 0;
		}

		return true;
	}
}

<?php

namespace WP_CLI\Iterators;

/**
 * @source https://gist.github.com/4060005
 */
class Table extends Query {

	/**
	 * Creates an iterator over a database table.
	 *
	 * <code>
	 * foreach( new Iterators\Table( array( 'table' => $wpdb->posts, 'fields' => array( 'ID', 'post_content' ) ) ) as $post ) {
	 *     count_words_for( $post->ID, $post->post_content );
	 * }
	 * </code>
	 *
	 * <code>
	 * foreach( new Iterators\Table( array( 'table' => $wpdb->posts, 'where' => 'ID = 8 OR post_status = "publish"' ) ) as $post ) {
	 *     â€¦
	 * }
	 * </code>
	 *
	 * <code>
	 * foreach( new PostIterator( array( 'table' => $wpdb->posts, 'where' => array( 'post_status' => 'publish', 'post_date_gmt BETWEEN x AND y' ) ) ) as $post ) {
	 *     â€¦
	 * }
	 * </code>
	 *
	 *
	 * @param array $args Supported arguments:
	 *		table â€“ the name of the database table
	 *		fields â€“ an array of columns to get from the table, '*' is a valid value and the default
	 *		where â€“ conditions for filtering rows. Supports two formats:
	 *			= string â€“ this will be the where clause
	 *			= array â€“ each element is treated as a condition if it's positional, or as column => value if
	 *				it's a key/value pair. In the latter case the value is automatically quoted and escaped
	 *      append - add arbitrary extra SQL
	 */
	function __construct( $args = array() ) {
		$defaults = array(
			'fields' => '*',
			'where' => array(),
			'append' => '',
			'table' => null,
			'chunk_size' => 500
		);
		$table = $args['table'];
		$args = array_merge( $defaults, $args );

		$fields = self::build_fields( $args['fields'] );
		$conditions = self::build_where_conditions( $args['where'] );
		$where_sql = $conditions ? " WHERE $conditions" : '';
		$query = "SELECT $fields FROM $table $where_sql {$args['append']}";

		parent::__construct( $query, $args['chunk_size'] );
	}

	private static function build_fields( $fields ) {
		if ( '*' === $fields )
			return $fields;

		return implode( ', ', array_map( function ($v) { return "`$v`"; }, $fields ) );
	}

	private static function build_where_conditions( $where ) {
		global $wpdb;
		if ( is_array( $where ) ) {
			$conditions = array();
			foreach( $where as $key => $value ) {
				if ( is_array( $value ) ) {
					$conditions[]  = $key . ' IN (' . esc_sql( implode( ',', $value ) ) . ')';
				} else if ( is_numeric( $key ) ) {
					$conditions[] = $value;
				} else {
					$conditions[] = $key . $wpdb->prepare( ' = %s', $value );
				}
			}
			$where = implode( ' AND ', $conditions );
		}
		return $where;
	}
}

<?php

namespace WP_CLI\Iterators;

/**
 * Aplies one or more callbacks to an item before returning it.
 */
class Transform extends \IteratorIterator {

	private $transformers = array();

	public function add_transform( $fn ) {
		$this->transformers[] = $fn;
	}

	public function current() {
		$value = parent::current();

		foreach ( $this->transformers as $fn ) {
			$value = call_user_func( $fn, $value );
		}

		return $value;
	}
}

<?php

namespace WP_CLI\Loggers;

/**
 * Base logger class
 */
abstract class Base {

	protected $in_color = false;

	abstract public function info( $message );

	abstract public function success( $message );

	abstract public function warning( $message );

	/**
	 * Retrieve the runner instance from the base CLI object. This facilitates
	 * unit testing, where the WP_CLI instance isn't available
	 *
	 * @return Runner Instance of the runner class
	 */
	protected function get_runner() {
		return \WP_CLI::get_runner();
	}

	/**
	 * Write a message to STDERR, prefixed with "Debug: ".
	 *
	 * @param string $message Message to write.
	 */
	public function debug( $message ) {
		if ( $this->get_runner()->config['debug'] ) {
			$time = round( microtime( true ) - WP_CLI_START_MICROTIME, 3 );
			$this->_line( "$message ({$time}s)", 'Debug', '%B', STDERR );
		}
	}

	/**
	 * Write a string to a resource.
	 *
	 * @param resource $handle Commonly STDOUT or STDERR.
	 * @param string $str Message to write.
	 */
	protected function write( $handle, $str ) {
		fwrite( $handle, $str );
	}

	/**
	 * Output one line of message to a resource.
	 *
	 * @param string $message Message to write.
	 * @param string $label Prefix message with a label.
	 * @param string $color Colorize label with a given color.
	 * @param resource $handle Resource to write to. Defaults to STDOUT.
	 */
	protected function _line( $message, $label, $color, $handle = STDOUT ) {
		$label = \cli\Colors::colorize( "$color$label:%n", $this->in_color );
		$this->write( $handle, "$label $message\n" );
	}

}
<?php

namespace WP_CLI\Loggers;

/**
 * Quiet logger only logs errors.
 */
class Quiet extends Base {

	/**
	 * Informational messages aren't logged.
	 *
	 * @param string $message Message to write.
	 */
	public function info( $message ) {
		// nothing
	}

	/**
	 * Success messages aren't logged.
	 *
	 * @param string $message Message to write.
	 */
	public function success( $message ) {
		// nothing
	}

	/**
	 * Warning messages aren't logged.
	 *
	 * @param string $message Message to write.
	 */
	public function warning( $message ) {
		// nothing
	}

	/**
	 * Write an error message to STDERR, prefixed with "Error: ".
	 *
	 * @param string $message Message to write.
	 */
	public function error( $message ) {
		$this->write( STDERR, \WP_CLI::colorize( "%RError:%n $message\n" ) );
	}

	/**
	 * Similar to error( $message ), but outputs $message in a red box
	 *
	 * @param  array $message Message to write.
	 */
	public function error_multi_line( $message_lines ) {
		$message = implode( "\n", $message_lines );

		$this->write( STDERR, \WP_CLI::colorize( "%RError:%n\n$message\n" ) );
		$this->write( STDERR, \WP_CLI::colorize( "%R---------%n\n\n" ) );
	}
}
<?php

namespace WP_CLI\Loggers;

/**
 * Default logger for success, warning, error, and standard messages.
 */
class Regular extends Base {

	/**
	 * @param bool $in_color Whether or not to Colorize strings.
	 */
	function __construct( $in_color ) {
		$this->in_color = $in_color;
	}

	/**
	 * Write an informational message to STDOUT.
	 *
	 * @param string $message Message to write.
	 */
	public function info( $message ) {
		$this->write( STDOUT, $message . "\n" );
	}

	/**
	 * Write a success message, prefixed with "Success: ".
	 *
	 * @param string $message Message to write.
	 */
	public function success( $message ) {
		$this->_line( $message, 'Success', '%G' );
	}

	/**
	 * Write a warning message to STDERR, prefixed with "Warning: ".
	 *
	 * @param string $message Message to write.
	 */
	public function warning( $message ) {
		$this->_line( $message, 'Warning', '%C', STDERR );
	}

	/**
	 * Write an message to STDERR, prefixed with "Error: ".
	 *
	 * @param string $message Message to write.
	 */
	public function error( $message ) {
		$this->_line( $message, 'Error', '%R', STDERR );
	}

	/**
	 * Similar to error( $message ), but outputs $message in a red box
	 *
	 * @param  array $message Message to write.
	 */
	public function error_multi_line( $message_lines ) {
		// convert tabs to four spaces, as some shells will output the tabs as variable-length
		$message_lines = array_map( function( $line ) {
			return str_replace( "\t", '    ', $line );
		} , $message_lines );

		$longest = max( array_map( 'strlen', $message_lines ) );

		// write an empty line before the message
		$empty_line = \cli\Colors::colorize( '%w%1 ' . str_repeat( ' ', $longest ) . ' %n' );
		$this->write( STDERR, "\n\t$empty_line\n" );

		foreach ( $message_lines as $line ) {
			$padding = str_repeat( ' ', $longest - strlen( $line ) );
			$line = \cli\Colors::colorize( "%w%1 $line $padding%n" );
			$this->write( STDERR, "\t$line\n" );
		}

		// write an empty line after the message
		$this->write( STDERR, "\t$empty_line\n\n" );
	}
}
<?php

namespace WP_CLI;

/**
 * Escape route for not doing anything.
 */
final class NoOp {

	function __set( $key, $value ) {
		// do nothing
	}

	function __call( $method, $args ) {
		// do nothing
	}
}

<?php

namespace WP_CLI;

/**
 * A Core Upgrader class that leaves packages intact by default.
 *
 * @package wp-cli
 */
class NonDestructiveCoreUpgrader extends CoreUpgrader {
	function unpack_package($package, $delete_package = false) {
		return parent::unpack_package( $package, $delete_package );
	}
}

<?php

namespace WP_CLI;

/**
 * Run a system process, and learn what happened.
 */
class Process {

	/**
	 * @param string $command Command to execute.
	 * @param string $cwd Directory to execute the command in.
	 * @param array $env Environment variables to set when running the command.
	 */
	public static function create( $command, $cwd = null, $env = array() ) {
		$proc = new self;

		$proc->command = $command;
		$proc->cwd = $cwd;
		$proc->env = $env;

		return $proc;
	}

	private $command, $cwd, $env;

	private function __construct() {}

	/**
	 * Run the command.
	 *
	 * @return ProcessRun
	 */
	public function run() {
		$cwd = $this->cwd;

		$descriptors = array(
			0 => STDIN,
			1 => array( 'pipe', 'w' ),
			2 => array( 'pipe', 'w' ),
		);

		$proc = proc_open( $this->command, $descriptors, $pipes, $cwd, $this->env );

		$stdout = stream_get_contents( $pipes[1] );
		fclose( $pipes[1] );

		$stderr = stream_get_contents( $pipes[2] );
		fclose( $pipes[2] );

		return new ProcessRun( array(
			'stdout' => $stdout,
			'stderr' => $stderr,
			'return_code' => proc_close( $proc ),
			'command' => $this->command,
			'cwd' => $cwd,
			'env' => $this->env
		) );
	}

	/**
	 * Run the command, but throw an Exception on error.
	 *
	 * @return ProcessRun
	 */
	public function run_check() {
		$r = $this->run();

		if ( $r->return_code || !empty( $r->STDERR ) ) {
			throw new \RuntimeException( $r );
		}

		return $r;
	}
}

/**
 * Results of an executed command.
 */
class ProcessRun {

	/**
	 * @var array $props Properties of executed command.
	 */
	public function __construct( $props ) {
		foreach ( $props as $key => $value ) {
			$this->$key = $value;
		}
	}

	/**
	 * Return properties of executed command as a string.
	 *
	 * @return string
	 */
	public function __toString() {
		$out  = "$ $this->command\n";
		$out .= "$this->stdout\n$this->stderr";
		$out .= "cwd: $this->cwd\n";
		$out .= "exit status: $this->return_code";

		return $out;
	}

}
<?php

namespace WP_CLI;

class REPL {

	private $promt;

	public function __construct( $prompt ) {
		$this->prompt = $prompt;

		$this->set_history_file();
	}

	public function start() {
		while ( true ) {
			$line = $this->prompt();

			if ( '' === $line ) continue;

			$line = rtrim( $line, ';' ) . ';';

			if ( self::starts_with( self::non_expressions(), $line ) ) {
				eval( $line );
			} else {
				if ( !self::starts_with( 'return', $line ) )
					$line = 'return ' . $line;

				// Write directly to STDOUT, to sidestep any output buffers created by plugins
				ob_start();
				var_dump( eval( $line ) );
				fwrite( STDOUT, ob_get_clean() );
			}
		}
	}

	private static function non_expressions() {
		return implode( '|', array(
			'echo', 'global', 'unset', 'function',
			'while', 'for', 'foreach', 'if', 'switch',
			'include', 'include\_once', 'require', 'require\_once'
		) );
	}

	private function prompt() {
		$full_line = false;

		$done = false;
		do {
			$prompt = ( !$done && $full_line !== false ) ? '--> ' : $this->prompt;

			$fp = popen( self::create_prompt_cmd( $prompt, $this->history_file ), 'r' );

			$line = fgets( $fp );

			if ( !$line ) {
				break;
			}

			$line = rtrim( $line, "\n" );

			if ( $line && '\\' == $line[ strlen( $line ) - 1 ] ) {
				$line = substr( $line, 0, -1 );
			} else {
				$done = true;
			}

			$full_line .= $line;

		} while ( !$done );

		if ( $full_line === false ) {
			return 'exit';
		}

		return $full_line;
	}

	private static function create_prompt_cmd( $prompt, $history_path ) {
		$prompt = escapeshellarg( $prompt );
		$history_path = escapeshellarg( $history_path );

		$cmd = <<<BASH
set -f
history -r $history_path
LINE=""
read -re -p $prompt LINE
[ $? -eq 0 ] || exit
history -s "\$LINE"
history -w $history_path
echo \$LINE
BASH;

		$cmd = str_replace( "\n", '; ', $cmd );

		return '/bin/bash -c ' . escapeshellarg( $cmd );
	}

	private function set_history_file() {
		$data = getcwd() . get_current_user();

		$this->history_file = \WP_CLI\Utils\get_temp_dir() . 'wp-cli-history-' . md5( $data );
	}

	private static function starts_with( $tokens, $line ) {
		return preg_match( "/^($tokens)[\(\s]+/", $line );
	}
}

<?php

namespace WP_CLI;

use WP_CLI;
use WP_CLI\Utils;
use WP_CLI\Dispatcher;

/**
 * Performs the execution of a command.
 *
 * @package WP_CLI
 */
class Runner {

	private $global_config_path, $project_config_path;

	private $config, $extra_config;

	private $arguments, $assoc_args;

	private $_early_invoke = array();

	private $_global_config_path_debug;

	private $_project_config_path_debug;

	private $_required_files;

	public function __get( $key ) {
		if ( '_' === $key[0] )
			return null;

		return $this->$key;
	}

	/**
	 * Register a command for early invocation, generally before WordPress loads.
	 *
	 * @param string $when Named execution hook
	 * @param WP_CLI\Dispatcher\Subcommand $command
	 */
	public function register_early_invoke( $when, $command ) {
		$this->_early_invoke[ $when ][] = array_slice( Dispatcher\get_path( $command ), 1 );
	}

	/**
	 * Perform the early invocation of a command.
	 *
	 * @param string $when Named execution hook
	 */
	private function do_early_invoke( $when ) {
		if ( !isset( $this->_early_invoke[ $when ] ) )
			return;

		foreach ( $this->_early_invoke[ $when ] as $path ) {
			if ( $this->cmd_starts_with( $path ) ) {
				$this->_run_command();
				exit;
			}
		}
	}

	/**
	 * Get the path to the global configuration YAML file.
	 *
	 * @return string|false
	 */
	private function get_global_config_path() {

		if ( isset( $runtime_config['config'] ) ) {
			$config_path = $runtime_config['config'];
			$this->_global_config_path_debug = 'Using global config from config runtime arg: ' . $config_path;
		} else if ( getenv( 'WP_CLI_CONFIG_PATH' ) ) {
			$config_path = getenv( 'WP_CLI_CONFIG_PATH' );
			$this->_global_config_path_debug = 'Using global config from WP_CLI_CONFIG_PATH env var: ' . $config_path;
		} else {
			$config_path = getenv( 'HOME' ) . '/.wp-cli/config.yml';
			$this->_global_config_path_debug = 'Using default global config: ' . $config_path;
		}

		if ( is_readable( $config_path ) ) {
			return $config_path;
		} else {
			$this->_global_config_path_debug = 'No readable global config found';
			return false;
		}
	}

	/**
	 * Get the path to the project-specific configuration
	 * YAML file.
	 * wp-cli.local.yml takes priority over wp-cli.yml.
	 *
	 * @return string|false
	 */
	private function get_project_config_path() {
		$config_files = array(
			'wp-cli.local.yml',
			'wp-cli.yml'
		);

		// Stop looking upward when we find we have emerged from a subdirectory
		// install into a parent install
		$project_config_path = Utils\find_file_upward( $config_files, getcwd(), function ( $dir ) {
			static $wp_load_count = 0;
			$wp_load_path = $dir . DIRECTORY_SEPARATOR . 'wp-load.php';
			if ( file_exists( $wp_load_path ) ) {
				$wp_load_count += 1;
			}
			return $wp_load_count > 1;
		} );
		if ( ! empty( $project_config_path ) ) {
			$this->_project_config_path_debug = 'Using project config: ' . $project_config_path;
		} else {
			$this->_project_config_path_debug = 'No project config found';
		}
		return $project_config_path;
	}

	/**
	 * Attempts to find the path to the WP install inside index.php
	 *
	 * @param string $index_path
	 * @return string|false
	 */
	private static function extract_subdir_path( $index_path ) {
		$index_code = file_get_contents( $index_path );

		if ( !preg_match( '|^\s*require\s*\(?\s*(.+?)/wp-blog-header\.php([\'"])|m', $index_code, $matches ) ) {
			return false;
		}

		$wp_path_src = $matches[1] . $matches[2];
		$wp_path_src = Utils\replace_path_consts( $wp_path_src, $index_path );
		$wp_path = eval( "return $wp_path_src;" );

		if ( !Utils\is_path_absolute( $wp_path ) ) {
			$wp_path = dirname( $index_path ) . "/$wp_path";
		}

		return $wp_path;
	}

	/**
	 * Find the directory that contains the WordPress files.
	 * Defaults to the current working dir.
	 *
	 * @return string An absolute path
	 */
	private function find_wp_root() {
		if ( !empty( $this->config['path'] ) ) {
			$path = $this->config['path'];
			if ( !Utils\is_path_absolute( $path ) )
				$path = getcwd() . '/' . $path;

			return $path;
		}

		if ( $this->cmd_starts_with( array( 'core', 'download' ) ) ) {
			return getcwd();
		}

		$dir = getcwd();

		while ( is_readable( $dir ) ) {
			if ( file_exists( "$dir/wp-load.php" ) ) {
				return $dir;
			}

			if ( file_exists( "$dir/index.php" ) ) {
				if ( $path = self::extract_subdir_path( "$dir/index.php" ) )
					return $path;
			}

			$parent_dir = dirname( $dir );
			if ( empty($parent_dir) || $parent_dir === $dir ) {
				break;
			}
			$dir = $parent_dir;
		}
	}

	/**
	 * Set WordPress root as a given path.
	 *
	 * @param string $path
	 */
	private static function set_wp_root( $path ) {
		define( 'ABSPATH', rtrim( $path, '/' ) . '/' );
		WP_CLI::debug( 'ABSPATH defined: ' . ABSPATH );

		$_SERVER['DOCUMENT_ROOT'] = realpath( $path );
	}

	/**
	 * Set a specific user context for WordPress.
	 *
	 * @param array $assoc_args
	 */
	private static function set_user( $assoc_args ) {
		if ( isset( $assoc_args['user'] ) ) {
			$fetcher = new \WP_CLI\Fetchers\User;
			$user = $fetcher->get_check( $assoc_args['user'] );
			wp_set_current_user( $user->ID );
		} else {
			kses_remove_filters();
		}
	}

	/**
	 * Guess which URL context WP-CLI has been invoked under.
	 *
	 * @param array $assoc_args
	 * @return string|false
	 */
	private static function guess_url( $assoc_args ) {
		if ( isset( $assoc_args['blog'] ) ) {
			$assoc_args['url'] = $assoc_args['blog'];
		}

		if ( isset( $assoc_args['url'] ) ) {
			$url = $assoc_args['url'];
			if ( true === $url ) {
				WP_CLI::warning( 'The --url parameter expects a value.' );
			}
		}

		if ( isset( $url ) ) {
			return $url;
		}

		return false;
	}

	private function cmd_starts_with( $prefix ) {
		return $prefix == array_slice( $this->arguments, 0, count( $prefix ) );
	}

	/**
	 * Given positional arguments, find the command to execute.
	 *
	 * @param array $args
	 * @return array|string Command, args, and path on success; error message on failure
	 */
	public function find_command_to_run( $args ) {
		$command = \WP_CLI::get_root_command();

		$cmd_path = array();

		while ( !empty( $args ) && $command->can_have_subcommands() ) {
			$cmd_path[] = $args[0];
			$full_name = implode( ' ', $cmd_path );

			$subcommand = $command->find_subcommand( $args );

			if ( !$subcommand ) {
				if ( count( $cmd_path ) > 1 ) {
					$child = array_pop( $cmd_path );
					$parent_name = implode( ' ', $cmd_path );
					return sprintf(
						"'%s' is not a registered subcommand of '%s'. See 'wp help %s'.",
						$child,
						$parent_name,
						$parent_name
					);
				} else {
					return sprintf(
						"'%s' is not a registered wp command. See 'wp help'.",
						$full_name
					);
				}
			}

			if ( $this->is_command_disabled( $subcommand ) ) {
				return sprintf(
					"The '%s' command has been disabled from the config file.",
					$full_name
				);
			}

			$command = $subcommand;
		}

		return array( $command, $args, $cmd_path );
	}

	/**
	 * Find the WP-CLI command to run given arguments,
	 * and invoke it.
	 *
	 * @param array $args Positional arguments including command name
	 * @param array $assoc_args
	 */
	public function run_command( $args, $assoc_args = array() ) {
		$r = $this->find_command_to_run( $args );
		if ( is_string( $r ) ) {
			WP_CLI::error( $r );
		}

		list( $command, $final_args, $cmd_path ) = $r;

		$name = implode( ' ', $cmd_path );

		if ( isset( $this->extra_config[ $name ] ) ) {
			$extra_args = $this->extra_config[ $name ];
		} else {
			$extra_args = array();
		}

		WP_CLI::debug( 'Running command: ' . $name );
		try {
			$command->invoke( $final_args, $assoc_args, $extra_args );
		} catch ( WP_CLI\Iterators\Exception $e ) {
			WP_CLI::error( $e->getMessage() );
		}
	}

	private function _run_command() {
		$this->run_command( $this->arguments, $this->assoc_args );
	}

	/**
	 * Check whether a given command is disabled by the config
	 *
	 * @return bool
	 */
	public function is_command_disabled( $command ) {
		$path = implode( ' ', array_slice( \WP_CLI\Dispatcher\get_path( $command ), 1 ) );
		return in_array( $path, $this->config['disabled_commands'] );
	}

	/**
	 * Returns wp-config.php code, skipping the loading of wp-settings.php
	 *
	 * @return string
	 */
	public function get_wp_config_code() {
		$wp_config_path = Utils\locate_wp_config();

		$wp_config_code = explode( "\n", file_get_contents( $wp_config_path ) );

		$found_wp_settings = false;

		$lines_to_run = array();

		foreach ( $wp_config_code as $line ) {
			if ( preg_match( '/^\s*require.+wp-settings\.php/', $line ) ) {
				$found_wp_settings = true;
				continue;
			}

			$lines_to_run[] = $line;
		}

		if ( !$found_wp_settings ) {
			WP_CLI::error( 'Strange wp-config.php file: wp-settings.php is not loaded directly.' );
		}

		$source = implode( "\n", $lines_to_run );
		$source = Utils\replace_path_consts( $source, $wp_config_path );
		return preg_replace( '|^\s*\<\?php\s*|', '', $source );
	}

	/**
	 * Transparently convert deprecated syntaxes
	 *
	 * @param array $args
	 * @param array $assoc_args
	 * @return array
	 */
	private static function back_compat_conversions( $args, $assoc_args ) {
		$top_level_aliases = array(
			'sql' => 'db',
			'blog' => 'site'
		);
		if ( count( $args ) > 0 ) {
			foreach ( $top_level_aliases as $old => $new ) {
				if ( $old == $args[0] ) {
					$args[0] = $new;
					break;
				}
			}
		}

		// *-meta  ->  * meta
		if ( !empty( $args ) && preg_match( '/(post|comment|user|network)-meta/', $args[0], $matches ) ) {
			array_shift( $args );
			array_unshift( $args, 'meta' );
			array_unshift( $args, $matches[1] );
		}

		// core (multsite-)install --admin_name=  ->  --admin_user=
		if ( count( $args ) > 0 && 'core' == $args[0] && isset( $assoc_args['admin_name'] ) ) {
			$assoc_args['admin_user'] = $assoc_args['admin_name'];
			unset( $assoc_args['admin_name'] );
		}

		// site --site_id=  ->  site --network_id=
		if ( count( $args ) > 0 && 'site' == $args[0] && isset( $assoc_args['site_id'] ) ) {
			$assoc_args['network_id'] = $assoc_args['site_id'];
			unset( $assoc_args['site_id'] );
		}

		// {plugin|theme} update-all  ->  {plugin|theme} update --all
		if ( count( $args ) > 1 && in_array( $args[0], array( 'plugin', 'theme' ) )
			&& $args[1] == 'update-all'
		) {
			$args[1] = 'update';
			$assoc_args['all'] = true;
		}

		// plugin scaffold  ->  scaffold plugin
		if ( array( 'plugin', 'scaffold' ) == array_slice( $args, 0, 2 ) ) {
			list( $args[0], $args[1] ) = array( $args[1], $args[0] );
		}

		// foo --help  ->  help foo
		if ( isset( $assoc_args['help'] ) ) {
			array_unshift( $args, 'help' );
			unset( $assoc_args['help'] );
		}

		// {post|user} list --ids  ->  {post|user} list --format=ids
		if ( count( $args ) > 1 && in_array( $args[0], array( 'post', 'user' ) )
			&& $args[1] == 'list'
			&& isset( $assoc_args['ids'] )
		) {
			$assoc_args['format'] = 'ids';
			unset( $assoc_args['ids'] );
		}

		// --json  ->  --format=json
		if ( isset( $assoc_args['json'] ) ) {
			$assoc_args['format'] = 'json';
			unset( $assoc_args['json'] );
		}

		// --{version|info}  ->  cli {version|info}
		if ( empty( $args ) ) {
			$special_flags = array( 'version', 'info' );
			foreach ( $special_flags as $key ) {
				if ( isset( $assoc_args[ $key ] ) ) {
					$args = array( 'cli', $key );
					unset( $assoc_args[ $key ] );
					break;
				}
			}
		}

		// (post|site) url  --> (post|site) list --*__in --field=url
		if ( count( $args ) >= 2 && in_array( $args[0], array( 'post', 'site' ) ) && 'url' === $args[1] ) {
			switch ( $args[0] ) {
				case 'post':
					$post_ids = array_slice( $args, 2 );
					$args = array( 'post', 'list' );
					$assoc_args['post__in'] = implode( ',', $post_ids );
					$assoc_args['post_type'] = 'any';
					$assoc_args['orderby'] = 'post__in';
					$assoc_args['field'] = 'url';
					break;
				case 'site':
					$site_ids = array_slice( $args, 2 );
					$args = array( 'site', 'list' );
					$assoc_args['site__in'] = implode( ',', $site_ids );
					$assoc_args['field'] = 'url';
					break;
			}
		}

		return array( $args, $assoc_args );
	}

	/**
	 * Whether or not the output should be rendered in color
	 *
	 * @return bool
	 */
	public function in_color() {
		return $this->colorize;
	}

	private function init_colorization() {
		if ( 'auto' === $this->config['color'] ) {
			$this->colorize = ( !\cli\Shell::isPiped() && !\WP_CLI\Utils\is_windows() );
		} else {
			$this->colorize = $this->config['color'];
		}
	}

	private function init_logger() {
		if ( $this->config['quiet'] )
			$logger = new \WP_CLI\Loggers\Quiet;
		else
			$logger = new \WP_CLI\Loggers\Regular( $this->in_color() );

		WP_CLI::set_logger( $logger );
	}

	/**
	 * Do WordPress core files exist?
	 *
	 * @return bool
	 */
	private function wp_exists() {
		return is_readable( ABSPATH . 'wp-includes/version.php' );
	}

	private function check_wp_version() {
		if ( !$this->wp_exists() ) {
			WP_CLI::error(
				"This does not seem to be a WordPress install.\n" .
				"Pass --path=`path/to/wordpress` or run `wp core download`." );
		}

		include ABSPATH . 'wp-includes/version.php';

		$minimum_version = '3.7';

		// @codingStandardsIgnoreStart
		if ( version_compare( $wp_version, $minimum_version, '<' ) ) {
			WP_CLI::error(
				"WP-CLI needs WordPress $minimum_version or later to work properly. " .
				"The version currently installed is $wp_version.\n" .
				"Try running `wp core download --force`."
			);
		}
		// @codingStandardsIgnoreEnd
	}

	private function init_config() {
		$configurator = \WP_CLI::get_configurator();

		// File config
		{
			$this->global_config_path = $this->get_global_config_path();
			$this->project_config_path = $this->get_project_config_path();

			$configurator->merge_yml( $this->global_config_path );
			$config = $configurator->to_array();
			$this->_required_files['global'] = $config[0]['require'];
			$configurator->merge_yml( $this->project_config_path );
			$config = $configurator->to_array();
			$this->_required_files['project'] = $config[0]['require'];
		}

		// Runtime config and args
		{
			list( $args, $assoc_args, $runtime_config ) = $configurator->parse_args(
				array_slice( $GLOBALS['argv'], 1 ) );

			list( $this->arguments, $this->assoc_args ) = self::back_compat_conversions(
				$args, $assoc_args );

			$configurator->merge_array( $runtime_config );
		}

		list( $this->config, $this->extra_config ) = $configurator->to_array();
		$this->_required_files['runtime'] = $this->config['require'];
	}

	private function check_root() {
		if ( $this->config['allow-root'] )
			return; # they're aware of the risks!
		if ( !function_exists( 'posix_geteuid') )
			return; # posix functions not available
		if ( posix_geteuid() !== 0 )
			return; # not root

		WP_CLI::error(
			"YIKES! It looks like you're running this as root. You probably meant to " .
			"run this as the user that your WordPress install exists under.\n" .
			"\n" .
			"If you REALLY mean to run this as root, we won't stop you, but just " .
			"bear in mind that any code on this site will then have full control of " .
			"your server, making it quite DANGEROUS.\n" .
			"\n" .
			"If you'd like to continue as root, please run this again, adding this " .
			"flag:  --allow-root\n" .
			"\n" .
			"If you'd like to run it as the user that this site is under, you can " .
			"run the following to become the respective user:\n" .
			"\n" .
			"    sudo -u USER -i -- wp <command>\n" .
			"\n"
		);
	}

	public function start() {
		$this->init_config();
		$this->init_colorization();
		$this->init_logger();

		WP_CLI::debug( $this->_global_config_path_debug );
		WP_CLI::debug( $this->_project_config_path_debug );

		$this->check_root();

		if ( empty( $this->arguments ) )
			$this->arguments[] = 'help';

		// Protect 'cli info' from most of the runtime
		if ( 'cli' === $this->arguments[0] && ! empty( $this->arguments[1] ) && 'info' === $this->arguments[1] ) {
			$this->_run_command();
			exit;
		}

		// Load bundled commands early, so that they're forced to use the same
		// APIs as non-bundled commands.
		Utils\load_command( $this->arguments[0] );

		if ( isset( $this->config['require'] ) ) {
			foreach ( $this->config['require'] as $path ) {
				if ( ! file_exists( $path ) ) {
					$context = '';
					foreach( array( 'global', 'project', 'runtime' ) as $scope ) {
						if ( in_array( $path, $this->_required_files[ $scope ] ) ) {
							switch ( $scope ) {
								case 'global':
									$context = ' (from global ' . basename( $this->global_config_path ) . ')';
									break;
								case 'project':
									$context = ' (from project\'s ' . basename( $this->project_config_path ) . ')';
									break;
								case 'runtime':
									$context = ' (from runtime argument)';
									break;
							}
							break;
						}
					}
					WP_CLI::error( sprintf( "Required file '%s' doesn't exist%s.", basename( $path ), $context ) );
				}
				Utils\load_file( $path );
				WP_CLI::debug( 'Required file from config: ' . $path );
			}
		}

		// Show synopsis if it's a composite command.
		$r = $this->find_command_to_run( $this->arguments );
		if ( is_array( $r ) ) {
			list( $command ) = $r;

			if ( $command->can_have_subcommands() ) {
				$command->show_usage();
				exit;
			}
		}

		// Handle --path parameter
		self::set_wp_root( $this->find_wp_root() );

		// First try at showing man page
		if ( 'help' === $this->arguments[0] && ( ! $this->wp_exists() || ! Utils\locate_wp_config() ) ) {
			$this->_run_command();
		}

		// Handle --url parameter
		$url = self::guess_url( $this->config );
		if ( $url )
			\WP_CLI::set_url( $url );

		$this->do_early_invoke( 'before_wp_load' );

		$this->check_wp_version();

		if ( $this->cmd_starts_with( array( 'core', 'config' ) ) ) {
			$this->_run_command();
			exit;
		}

		if ( !Utils\locate_wp_config() ) {
			WP_CLI::error(
				"wp-config.php not found.\n" .
				"Either create one manually or use `wp core config`." );
		}

		if ( $this->cmd_starts_with( array( 'db' ) ) && !$this->cmd_starts_with( array( 'db', 'tables' ) ) ) {
			eval( $this->get_wp_config_code() );
			$this->_run_command();
			exit;
		}

		if ( $this->cmd_starts_with( array( 'core', 'is-installed' ) ) ) {
			define( 'WP_INSTALLING', true );
		}

		if (
			count( $this->arguments ) >= 2 &&
			$this->arguments[0] == 'core' &&
			in_array( $this->arguments[1], array( 'install', 'multisite-install' ) )
		) {
			define( 'WP_INSTALLING', true );

			// We really need a URL here
			if ( !isset( $_SERVER['HTTP_HOST'] ) ) {
				$url = 'http://example.com';
				\WP_CLI::set_url( $url );
			}

			if ( 'multisite-install' == $this->arguments[1] ) {
				// need to fake some globals to skip the checks in wp-includes/ms-settings.php
				$url_parts = Utils\parse_url( $url );
				self::fake_current_site_blog( $url_parts );

				if ( !defined( 'COOKIEHASH' ) ) {
					define( 'COOKIEHASH', md5( $url_parts['host'] ) );
				}
			}
		}

		if ( $this->cmd_starts_with( array( 'import') ) ) {
			define( 'WP_LOAD_IMPORTERS', true );
			define( 'WP_IMPORTING', true );
		}

		if ( $this->cmd_starts_with( array( 'plugin' ) ) ) {
			$GLOBALS['pagenow'] = 'plugins.php';
		}

		$this->load_wordpress();

		$this->_run_command();

	}

	/**
	 * Load WordPress, if it hasn't already been loaded
	 */
	public function load_wordpress() {
		static $wp_cli_is_loaded;
		// Globals not explicitly globalized in WordPress
		global $site_id, $public, $current_site, $current_blog, $path, $shortcode_tags;

		if ( ! empty( $wp_cli_is_loaded ) ) {
			return;
		}

		$wp_cli_is_loaded = true;

		WP_CLI::debug( 'Begin WordPress load' );

		$this->check_wp_version();

		$wp_config_path = Utils\locate_wp_config();
		if ( ! $wp_config_path ) {
			WP_CLI::error(
				"wp-config.php not found.\n" .
				"Either create one manually or use `wp core config`." );
		}

		WP_CLI::debug( 'wp-config.php path: ' . $wp_config_path );

		// Load wp-config.php code, in the global scope
		$wp_cli_original_defined_vars = get_defined_vars();
		eval( $this->get_wp_config_code() );
		foreach( get_defined_vars() as $key => $var ) {
			if ( array_key_exists( $key, $wp_cli_original_defined_vars ) || 'wp_cli_original_defined_vars' === $key ) {
				continue;
			}
			$GLOBALS[ $key ] = $var;
		}

		$this->maybe_update_url_from_domain_constant();

		// Load WP-CLI utilities
		require WP_CLI_ROOT . '/php/utils-wp.php';

		// Load Core, mu-plugins, plugins, themes etc.
		require WP_CLI_ROOT . '/php/wp-settings-cli.php';

		// Fix memory limit. See http://core.trac.wordpress.org/ticket/14889
		@ini_set( 'memory_limit', -1 );

		// Load all the admin APIs, for convenience
		require ABSPATH . 'wp-admin/includes/admin.php';

		add_filter( 'filesystem_method', function() { return 'direct'; }, 99 );

		// Handle --user parameter
		if ( ! defined( 'WP_INSTALLING' ) ) {
			self::set_user( $this->config );
		}

		WP_CLI::debug( 'Loaded WordPress' );

	}

	private static function fake_current_site_blog( $url_parts ) {
		global $current_site, $current_blog;

		if ( !isset( $url_parts['path'] ) ) {
			$url_parts['path'] = '/';
		}

		$current_site = (object) array(
			'id' => 1,
			'blog_id' => 1,
			'domain' => $url_parts['host'],
			'path' => $url_parts['path'],
			'cookie_domain' => $url_parts['host'],
			'site_name' => 'Fake Site',
		);

		$current_blog = (object) array(
			'blog_id' => 1,
			'site_id' => 1,
			'domain' => $url_parts['host'],
			'path' => $url_parts['path'],
			'public' => '1',
			'archived' => '0',
			'mature' => '0',
			'spam' => '0',
			'deleted' => '0',
			'lang_id' => '0',
		);
	}

	/**
	 * Called after wp-config.php is eval'd, to potentially reset `--url`
	 */
	private function maybe_update_url_from_domain_constant() {
		if ( ! empty( $this->config['url'] ) || ! empty( $this->config['blog'] ) ) {
			return;
		}

		if ( defined( 'DOMAIN_CURRENT_SITE' ) ) {
			$url = DOMAIN_CURRENT_SITE;
			if ( defined( 'PATH_CURRENT_SITE' ) ) {
				$url .= PATH_CURRENT_SITE;
			}
			\WP_CLI::set_url( $url );
		}
	}

}

<?php

namespace WP_CLI;

class SearchReplacer {

	private $from, $to;
	private $recurse_objects;
	private $max_recursion;

	/**
	 * @param string  $from            String we're looking to replace.
	 * @param string  $to              What we want it to be replaced with.
	 * @param bool    $recurse_objects Should objects be recursively replaced?
	 */
	function __construct( $from, $to, $recurse_objects = false, $regex = false ) {
		$this->from = $from;
		$this->to = $to;
		$this->recurse_objects = $recurse_objects;
		$this->regex = $regex;

		// Get the XDebug nesting level. Will be zero (no limit) if no value is set
		$this->max_recursion = intval( ini_get( 'xdebug.max_nesting_level' ) );
	}

	/**
	 * Take a serialised array and unserialise it replacing elements as needed and
	 * unserialising any subordinate arrays and performing the replace on those too.
	 * Ignores any serialized objects unless $recurse_objects is set to true.
	 *
	 * @param array|string $data            The data to operate on.
	 * @param bool         $serialised      Does the value of $data need to be unserialized?
	 *
	 * @return array       The original array with all elements replaced as needed.
	 */
	function run( $data, $serialised = false ) {
		return $this->_run( $data, $serialised );
	}

	/**
	 * @param int          $recursion_level Current recursion depth within the original data.
	 * @param array        $visited_data    Data that has been seen in previous recursion iterations.
	 */
	private function _run( $data, $serialised, $recursion_level = 0, &$visited_data = array() ) {

		// some unseriliased data cannot be re-serialised eg. SimpleXMLElements
		try {

			if ( $this->recurse_objects ) {

				// If we've reached the maximum recursion level, short circuit
				if ( $this->max_recursion != 0 && $recursion_level >= $this->max_recursion ) {
					return $data;
				}

				if ( is_array( $data ) || is_object( $data ) ) {
					// If we've seen this exact object or array before, short circuit
					if ( in_array( $data, $visited_data, true ) ) {
						return $data; // Avoid infinite loops when there's a cycle
					}
					// Add this data to the list of
					$visited_data[] = $data;
				}
			}

			if ( is_string( $data ) && ( $unserialized = @unserialize( $data ) ) !== false ) {
				$data = $this->_run( $unserialized, true, $recursion_level + 1 );
			}

			elseif ( is_array( $data ) ) {
				$keys = array_keys( $data );
				foreach ( $keys as $key ) {
					$data[ $key ]= $this->_run( $data[$key], false, $recursion_level + 1, $visited_data );
				}
			}

			elseif ( $this->recurse_objects && is_object( $data ) ) {
				foreach ( $data as $key => $value ) {
					$data->$key = $this->_run( $value, false, $recursion_level + 1, $visited_data );
				}
			}

			else if ( is_string( $data ) ) {
				if ( $this->regex ) {
					$data = preg_replace( "/$this->from/", $this->to, $data );
				} else {
					$data = str_replace( $this->from, $this->to, $data );
				}
			}

			if ( $serialised )
				return serialize( $data );

		} catch( Exception $error ) {

		}

		return $data;
	}
}

<?php

namespace WP_CLI;

/**
 * Generate a synopsis from a command's PHPdoc arguments.
 * Turns something like "<object-id>..."
 * into [ optional=>false, type=>positional, repeating=>true, name=>object-id ]
 */
class SynopsisParser {

	/**
	 * @param string A synopsis
	 * @return array List of parameters
	 */
	public static function parse( $synopsis ) {
		$tokens = array_filter( preg_split( '/[\s\t]+/', $synopsis ) );

		$params = array();
		foreach ( $tokens as $token ) {
			$param = self::classify_token( $token );

			// Some types of parameters shouldn't be mandatory
			if ( isset( $param['optional'] ) && !$param['optional'] ) {
				if ( 'flag' === $param['type'] || ( 'assoc' === $param['type'] && $param['value']['optional'] ) ) {
					$param['type'] = 'unknown';
				}
			}

			$param['token'] = $token;
			$params[] = $param;
		}

		return $params;
	}

	/**
	 * Classify argument attributes based on its syntax.
	 *
	 * @param string $token
	 * @return array $param
	 */
	private static function classify_token( $token ) {
		$param = array();

		list( $param['optional'], $token ) = self::is_optional( $token );
		list( $param['repeating'], $token ) = self::is_repeating( $token );

		$p_name = '([a-z-_]+)';
		$p_value = '([a-zA-Z-_|,]+)';

		if ( '--<field>=<value>' === $token ) {
			$param['type'] = 'generic';
		} elseif ( preg_match( "/^<($p_value)>$/", $token, $matches ) ) {
			$param['type'] = 'positional';
			$param['name'] = $matches[1];
		} elseif ( preg_match( "/^--(?:\\[no-\\])?$p_name/", $token, $matches ) ) {
			$param['name'] = $matches[1];

			$value = substr( $token, strlen( $matches[0] ) );

			// substr returns false <= PHP 5.6, and '' PHP 7+
			if ( false === $value || '' === $value ) {
				$param['type'] = 'flag';
			} else {
				$param['type'] = 'assoc';

				list( $param['value']['optional'], $value ) = self::is_optional( $value );

				if ( preg_match( "/^=<$p_value>$/", $value, $matches ) ) {
					$param['value']['name'] = $matches[1];
				} else {
					$param = array( 'type' => 'unknown' );
				}
			}
		} else {
			$param['type'] = 'unknown';
		}

		return $param;
	}

	/**
	 * An optional parameter is surrounded by square brackets.
	 *
	 * @param string $token
	 * @return array
	 */
	private static function is_optional( $token ) {
		if ( '[' == substr( $token, 0, 1 ) && ']' == substr( $token, -1 ) ) {
			return array( true, substr( $token, 1, -1 ) );
		} else {
			return array( false, $token );
		}
	}

	/**
	 * A repeating parameter is followed by an ellipsis.
	 *
	 * @param string $token
	 * @return array
	 */
	private static function is_repeating( $token ) {
		if ( '...' === substr( $token, -3 ) ) {
			return array( true, substr( $token, 0, -3 ) );
		} else {
			return array( false, $token );
		}
	}
}

<?php

namespace WP_CLI;

/**
 * Checks if the list of parameters matches the specification defined in the synopsis.
 */
class SynopsisValidator {

	/**
	 * @var array $spec Structured representation of command synopsis.
	 */
	private $spec = array();

	/**
	 * @param string $synopsis Command's synopsis.
	 */
	public function __construct( $synopsis ) {
		$this->spec = SynopsisParser::parse( $synopsis );
	}

	/**
	 * Get any unknown arugments.
	 *
	 * @return array
	 */
	public function get_unknown() {
		return array_column( $this->query_spec( array(
			'type' => 'unknown',
		) ), 'token' );
	}

	/**
	 * Check whether there are enough positional arguments.
	 *
	 * @param array $args Positional arguments.
	 * @return bool
	 */
	public function enough_positionals( $args ) {
		$positional = $this->query_spec( array(
			'type' => 'positional',
			'optional' => false,
		) );

		return count( $args ) >= count( $positional );
	}

	/**
	 * Check for any unknown positionals.
	 *
	 * @param array $args Positional arguments.
	 * @return array
	 */
	public function unknown_positionals( $args ) {
		$positional_repeating = $this->query_spec( array(
			'type' => 'positional',
			'repeating' => true,
		) );

		// At least one positional supports as many as possible.
		if ( !empty( $positional_repeating ) )
			return array();

		$positional = $this->query_spec( array(
			'type' => 'positional',
			'repeating' => false,
		) );

		return array_slice( $args, count( $positional ) );
	}

	/**
	 * Check that all required keys are present and that they have values.
	 *
	 * @param array $assoc_args Parameters passed to command.
	 * @return array
	 */
	public function validate_assoc( $assoc_args ) {
		$assoc_spec = $this->query_spec( array(
			'type' => 'assoc',
		) );

		$errors = array(
			'fatal' => array(),
			'warning' => array()
		);

		$to_unset = array();

		foreach ( $assoc_spec as $param ) {
			$key = $param['name'];

			if ( !isset( $assoc_args[ $key ] ) ) {
				if ( !$param['optional'] ) {
					$errors['fatal'][$key] = "missing --$key parameter";
				}
			} else {
				if ( true === $assoc_args[ $key ] && !$param['value']['optional'] ) {
					$error_type = ( !$param['optional'] ) ? 'fatal' : 'warning';
					$errors[ $error_type ][$key] = "--$key parameter needs a value";

					$to_unset[] = $key;
				}
			}
		}

		return array( $errors, $to_unset );
	}

	/**
	 * Check whether there are unknown parameters supplied.
	 *
	 * @param array $assoc_args Parameters passed to command.
	 * @return array|false
	 */
	public function unknown_assoc( $assoc_args ) {
		$generic = $this->query_spec( array(
			'type' => 'generic',
		) );

		if ( count( $generic ) )
			return array();

		$known_assoc = array();

		foreach ( $this->spec as $param ) {
			if ( in_array( $param['type'], array( 'assoc', 'flag' ) ) )
				$known_assoc[] = $param['name'];
		}

		return array_diff( array_keys( $assoc_args ), $known_assoc );
	}

	/**
	 * Filters a list of associative arrays, based on a set of key => value arguments.
	 *
	 * @param array $args An array of key => value arguments to match against
	 * @param string $operator
	 * @return array
	 */
	private function query_spec( $args, $operator = 'AND' ) {
		$operator = strtoupper( $operator );
		$count = count( $args );
		$filtered = array();

		foreach ( $this->spec as $key => $to_match ) {
			$matched = 0;
			foreach ( $args as $m_key => $m_value ) {
				if ( array_key_exists( $m_key, $to_match ) && $m_value == $to_match[ $m_key ] )
					$matched++;
			}

			if (   ( 'AND' == $operator && $matched == $count )
				|| ( 'OR' == $operator && $matched > 0 )
				|| ( 'NOT' == $operator && 0 == $matched ) ) {
					$filtered[$key] = $to_match;
				}
		}

		return $filtered;
	}

}
<?php

namespace WP_CLI;

/**
 * A Upgrader Skin for WordPress that only generates plain-text
 *
 * @package wp-cli
 */
class UpgraderSkin extends \WP_Upgrader_Skin {

	function header() {}
	function footer() {}
	function bulk_header() {}
	function bulk_footer() {}

	function error( $error ) {
		if ( !$error )
			return;

		if ( is_string( $error ) && isset( $this->upgrader->strings[ $error ] ) )
			$error = $this->upgrader->strings[ $error ];

		// TODO: show all errors, not just the first one
		\WP_CLI::warning( $error );
	}

	function feedback( $string ) {
		if ( isset( $this->upgrader->strings[$string] ) )
			$string = $this->upgrader->strings[$string];

		if ( strpos($string, '%') !== false ) {
			$args = func_get_args();
			$args = array_splice($args, 1);
			if ( !empty($args) )
				$string = vsprintf($string, $args);
		}

		if ( empty($string) )
			return;

		$string = str_replace( '&#8230;', '...', strip_tags( $string ) );

		\WP_CLI::line( $string );
	}
}

<?php


namespace WP_CLI;
use WP_CLI;


/**
 * Manage caching with whitelisting
 *
 * @package WP_CLI
 */
class WpHttpCacheManager {

	/**
	 * @var array map whitelisted urls to keys and ttls
	 */
	protected $whitelist = array();

	/**
	 * @var FileCache
	 */
	protected $cache;

	/**
	 * @param FileCache $cache
	 */
	public function __construct( FileCache $cache ) {
		$this->cache = $cache;

		// hook into wp http api
		add_filter( 'pre_http_request', array($this, 'filter_pre_http_request'), 10, 3 );
		add_filter( 'http_response', array($this, 'filter_http_response'), 10, 3 );
	}

	/**
	 * short circuit wp http api with cached file
	 */
	public function filter_pre_http_request( $response, $args, $url ) {
		// check if whitelisted
		if ( !isset( $this->whitelist[$url] ) ) {
			return $response;
		}
		// check if downloading
		if ( 'GET' !== $args['method'] || empty( $args['filename'] ) ) {
			return $response;
		}
		// check cache and export to designated location
		$filename = $this->cache->has( $this->whitelist[$url]['key'], $this->whitelist[$url]['ttl'] );
		if ( $filename ) {
			WP_CLI::log( sprintf( 'Using cached file \'%s\'...', $filename, $url ) );
			if ( copy( $filename, $args['filename'] ) ) {
				// simulate successful download response
				return array(
					'response' => array('code' => ( 200 ), 'message' => 'OK'),
					'filename' => $args['filename']
				);
			} else {
				WP_CLI::error( sprintf( 'Error copying cached file %s to %s', $filename, $url ) );
			}
		}
		return $response;
	}


	/**
	 * cache wp http api downloads
	 *
	 * @param array $response
	 * @param array $args
	 * @param string $url
	 */
	public function filter_http_response( $response, $args, $url ) {
		// check if whitelisted
		if ( !isset( $this->whitelist[$url] ) ) {
			return $response;
		}
		// check if downloading
		if ( 'GET' !== $args['method'] || empty( $args['filename'] ) ) {
			return $response;
		}
		// check if download was successful
		if ( is_wp_error( $response ) || 200 !== wp_remote_retrieve_response_code( $response ) ) {
			return $response;
		}
		// cache downloaded file
		$this->cache->import( $this->whitelist[$url]['key'], $response['filename']);
		return $response;
	}

	/**
	 * whitelist a package url
	 *
	 * @param string $url
	 * @param string $group   package group (themes, plugins, ...)
	 * @param string $slug    package slug
	 * @param string $version package version
	 * @param int    $ttl
	 */
	public function whitelist_package( $url, $group, $slug, $version, $ttl = null ) {
		$ext = pathinfo( parse_url( $url, PHP_URL_PATH ), PATHINFO_EXTENSION );
		$key = "$group/$slug-$version.$ext";
		$this->whitelist_url( $url, $key, $ttl );
		wp_update_plugins();
	}

	/**
	 * whitelist a url
	 *
	 * @param string $url
	 * @param string $key
	 * @param int    $ttl
	 */
	public function whitelist_url( $url, $key = null, $ttl = null ) {
		$key = $key ? : $url;
		$this->whitelist[$url] = compact( 'key', 'ttl' );
	}

	/**
	 * check if url is whitelisted
	 *
	 * @param string $url
	 * @return bool
	 */
	public function is_whitelisted( $url ) {
		return isset( $this->whitelist[$url] );
	}

}
<?php

// This file needs to parse without error in PHP < 5.3

if ( 'cli' !== PHP_SAPI ) {
	echo "Only CLI access.\n";
	die(-1);
}

if ( version_compare( PHP_VERSION, '5.3.0', '<' ) ) {
	printf( "Error: WP-CLI requires PHP %s or newer. You are running version %s.\n", '5.3.0', PHP_VERSION );
	die(-1);
}

define( 'WP_CLI_ROOT', dirname( __DIR__ ) );

include WP_CLI_ROOT . '/php/wp-cli.php';

<?php

define( 'WP_CLI_ROOT', 'phar://wp-cli.phar' );

include WP_CLI_ROOT . '/php/wp-cli.php';

<?php

/**
 * Base class for WP-CLI commands
 *
 * @package wp-cli
 */
abstract class WP_CLI_Command {

	public function __construct() {}
}

<?php

use \WP_CLI\Utils;
use \WP_CLI\Dispatcher;
use \WP_CLI\FileCache;
use \WP_CLI\Process;
use \WP_CLI\WpHttpCacheManager;

/**
 * Various utilities for WP-CLI commands.
 */
class WP_CLI {

	private static $configurator;

	private static $logger;

	private static $hooks = array(), $hooks_passed = array();

	/**
	 * Set the logger instance.
	 *
	 * @param object $logger
	 */
	public static function set_logger( $logger ) {
		self::$logger = $logger;
	}

	/**
	 * Get the Configurator instance
	 *
	 * @return \WP_CLI\Configurator
	 */
	public static function get_configurator() {
		static $configurator;

		if ( !$configurator ) {
			$configurator = new WP_CLI\Configurator( WP_CLI_ROOT . '/php/config-spec.php' );
		}

		return $configurator;
	}

	public static function get_root_command() {
		static $root;

		if ( !$root ) {
			$root = new Dispatcher\RootCommand;
		}

		return $root;
	}

	public static function get_runner() {
		static $runner;

		if ( !$runner ) {
			$runner = new WP_CLI\Runner;
		}

		return $runner;
	}

	/**
	 * @return FileCache
	 */
	public static function get_cache() {
		static $cache;

		if ( !$cache ) {
			$home = getenv( 'HOME' );
			if ( !$home ) {
				// sometime in windows $HOME is not defined
				$home = getenv( 'HOMEDRIVE' ) . getenv( 'HOMEPATH' );
			}
			$dir = getenv( 'WP_CLI_CACHE_DIR' ) ? : "$home/.wp-cli/cache";

			// 6 months, 300mb
			$cache = new FileCache( $dir, 15552000, 314572800 );

			// clean older files on shutdown with 1/50 probability
			if ( 0 === mt_rand( 0, 50 ) ) {
				register_shutdown_function( function () use ( $cache ) {
					$cache->clean();
				} );
			}
		}

		return $cache;
	}

	/**
	 * Set the context in which WP-CLI should be run
	 */
	public static function set_url( $url ) {
		WP_CLI::debug( 'Set URL: ' . $url );
		$url_parts = Utils\parse_url( $url );
		self::set_url_params( $url_parts );
	}

	private static function set_url_params( $url_parts ) {
		$f = function( $key ) use ( $url_parts ) {
			return \WP_CLI\Utils\get_flag_value( $url_parts, $key, '' );
		};

		if ( isset( $url_parts['host'] ) ) {
			if ( isset( $url_parts['scheme'] ) && 'https' === strtolower( $url_parts['scheme'] ) ) {
				$_SERVER['HTTPS'] = 'on';
			}

			$_SERVER['HTTP_HOST'] = $url_parts['host'];
			if ( isset( $url_parts['port'] ) ) {
				$_SERVER['HTTP_HOST'] .= ':' . $url_parts['port'];
			}

			$_SERVER['SERVER_NAME'] = $url_parts['host'];
		}

		$_SERVER['REQUEST_URI'] = $f('path') . ( isset( $url_parts['query'] ) ? '?' . $url_parts['query'] : '' );
		$_SERVER['SERVER_PORT'] = \WP_CLI\Utils\get_flag_value( $url_parts, 'port', '80' );
		$_SERVER['QUERY_STRING'] = $f('query');
	}

	/**
	 * @return WpHttpCacheManager
	 */
	public static function get_http_cache_manager() {
		static $http_cacher;

		if ( !$http_cacher ) {
			$http_cacher = new WpHttpCacheManager( self::get_cache() );
		}

		return $http_cacher;
	}

	public static function colorize( $string ) {
		return \cli\Colors::colorize( $string, self::get_runner()->in_color() );
	}

	/**
	 * Schedule a callback to be executed at a certain point (before WP is loaded).
	 */
	public static function add_hook( $when, $callback ) {
		if ( in_array( $when, self::$hooks_passed ) )
			call_user_func( $callback );

		self::$hooks[ $when ][] = $callback;
	}

	/**
	 * Execute registered callbacks.
	 */
	public static function do_hook( $when ) {
		self::$hooks_passed[] = $when;

		if ( !isset( self::$hooks[ $when ] ) )
			return;

		foreach ( self::$hooks[ $when ] as $callback ) {
			call_user_func( $callback );
		}
	}

	/**
	 * Add a command to the wp-cli list of commands
	 *
	 * @param string $name The name of the command that will be used in the CLI
	 * @param string $class The command implementation
	 * @param array $args An associative array with additional parameters:
	 *   'before_invoke' => callback to execute before invoking the command
	 */
	public static function add_command( $name, $class, $args = array() ) {
		if ( is_string( $class ) && ! class_exists( (string) $class ) ) {
			WP_CLI::error( sprintf( "Class '%s' does not exist.", $class ) );
		}

		if ( isset( $args['before_invoke'] ) ) {
			self::add_hook( "before_invoke:$name", $args['before_invoke'] );
		}

		$path = preg_split( '/\s+/', $name );

		$leaf_name = array_pop( $path );
		$full_path = $path;

		$command = self::get_root_command();

		while ( !empty( $path ) ) {
			$subcommand_name = $path[0];
			$subcommand = $command->find_subcommand( $path );

			// create an empty container
			if ( !$subcommand ) {
				$subcommand = new Dispatcher\CompositeCommand( $command, $subcommand_name,
					new \WP_CLI\DocParser( '' ) );
				$command->add_subcommand( $subcommand_name, $subcommand );
			}

			$command = $subcommand;
		}

		$leaf_command = Dispatcher\CommandFactory::create( $leaf_name, $class, $command );

		if ( ! $command->can_have_subcommands() ) {
			throw new Exception( sprintf( "'%s' can't have subcommands.",
				implode( ' ' , Dispatcher\get_path( $command ) ) ) );
		}

		$command->add_subcommand( $leaf_name, $leaf_command );
	}

	/**
	 * Display a message in the CLI and end with a newline
	 *
	 * @param string $message
	 */
	public static function line( $message = '' ) {
		echo $message . "\n";
	}

	/**
	 * Log an informational message.
	 *
	 * @param string $message
	 */
	public static function log( $message ) {
		self::$logger->info( $message );
	}

	/**
	 * Display a success in the CLI and end with a newline
	 *
	 * @param string $message
	 */
	public static function success( $message ) {
		self::$logger->success( $message );
	}

	/**
	 * Log debug information
	 *
	 * @param string $message
	 */
	public static function debug( $message ) {
		self::$logger->debug( self::error_to_string( $message ) );
	}

	/**
	 * Display a warning in the CLI and end with a newline
	 *
	 * @param string $message
	 */
	public static function warning( $message ) {
		self::$logger->warning( self::error_to_string( $message ) );
	}

	/**
	 * Display an error in the CLI and end with a newline
	 *
	 * @param string|WP_Error $message
	 * @param bool            $exit    if true, the script will exit()
	 */
	public static function error( $message, $exit = true ) {
		if ( ! isset( self::get_runner()->assoc_args[ 'completions' ] ) ) {
			self::$logger->error( self::error_to_string( $message ) );
		}

		if ( $exit ) {
			exit(1);
		}
	}

	/**
	 * Display an error in the CLI and end with a newline
	 *
	 * @param array $message  each element from the array will be printed on its own line
	 */
	public static function error_multi_line( $message_lines ) {
		if ( ! isset( self::get_runner()->assoc_args[ 'completions' ] ) && is_array( $message_lines ) ) {
			self::$logger->error_multi_line( array_map( array( __CLASS__, 'error_to_string' ), $message_lines ) );
		}
	}

	/**
	 * Ask for confirmation before running a destructive operation.
	 */
	public static function confirm( $question, $assoc_args = array() ) {
		if ( ! \WP_CLI\Utils\get_flag_value( $assoc_args, 'yes' ) ) {
			fwrite( STDOUT, $question . " [y/n] " );

			$answer = trim( fgets( STDIN ) );

			if ( 'y' != $answer )
				exit;
		}
	}

	/**
	 * Read value from a positional argument or from STDIN.
	 *
	 * @param array $args The list of positional arguments.
	 * @param int $index At which position to check for the value.
	 *
	 * @return string
	 */
	public static function get_value_from_arg_or_stdin( $args, $index ) {
		if ( isset( $args[ $index ] ) ) {
			$raw_value = $args[ $index ];
		} else {
			// We don't use file_get_contents() here because it doesn't handle
			// Ctrl-D properly, when typing in the value interactively.
			$raw_value = '';
			while ( ( $line = fgets( STDIN ) ) !== false ) {
				$raw_value .= $line;
			}
		}

		return $raw_value;
	}

	/**
	 * Read a value, from various formats.
	 *
	 * @param mixed $value
	 * @param array $assoc_args
	 */
	public static function read_value( $raw_value, $assoc_args = array() ) {
		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'format' ) === 'json' ) {
			$value = json_decode( $raw_value, true );
			if ( null === $value ) {
				WP_CLI::error( sprintf( 'Invalid JSON: %s', $raw_value ) );
			}
		} else {
			$value = $raw_value;
		}

		return $value;
	}

	/**
	 * Display a value, in various formats
	 *
	 * @param mixed $value
	 * @param array $assoc_args
	 */
	public static function print_value( $value, $assoc_args = array() ) {
		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'format' ) === 'json' ) {
			$value = json_encode( $value );
		} elseif ( is_array( $value ) || is_object( $value ) ) {
			$value = var_export( $value );
		}

		echo $value . "\n";
	}

	/**
	 * Convert a wp_error into a string
	 *
	 * @param mixed $errors
	 * @return string
	 */
	public static function error_to_string( $errors ) {
		if ( is_string( $errors ) ) {
			return $errors;
		}

		if ( is_object( $errors ) && is_a( $errors, 'WP_Error' ) ) {
			foreach ( $errors->get_error_messages() as $message ) {
				if ( $errors->get_error_data() )
					return $message . ' ' . $errors->get_error_data();
				else
					return $message;
			}
		}
	}

	/**
	 * Launch an external process that takes over I/O.
	 *
	 * @param string Command to call
	 * @param bool Whether to exit if the command returns an error status
	 * @param bool Whether to return an exit status (default) or detailed execution results
	 *
	 * @return int|ProcessRun The command exit status, or a ProcessRun instance
	 */
	public static function launch( $command, $exit_on_error = true, $return_detailed = false ) {

		$proc = Process::create( $command );
		$results = $proc->run();

		if ( $results->return_code && $exit_on_error )
			exit( $results->return_code );

		if ( $return_detailed ) {
			return $results;
		} else {
			return $results->return_code;
		}
	}

	/**
	 * Launch another WP-CLI command using the runtime arguments for the current process
	 *
	 * @param string Command to call
	 * @param array $args Positional arguments to use
	 * @param array $assoc_args Associative arguments to use
	 * @param bool Whether to exit if the command returns an error status
	 * @param bool Whether to return an exit status (default) or detailed execution results
	 * @param array $runtime_args Override one or more global args (path,url,user,allow-root)
	 *
	 * @return int|ProcessRun The command exit status, or a ProcessRun instance
	 */
	public static function launch_self( $command, $args = array(), $assoc_args = array(), $exit_on_error = true, $return_detailed = false, $runtime_args = array() ) {
		$reused_runtime_args = array(
			'path',
			'url',
			'user',
			'allow-root',
		);

		foreach ( $reused_runtime_args as $key ) {
			if ( isset( $runtime_args[ $key ] ) ) {
				$assoc_args[ $key ] = $runtime_args[ $key ];
			} else if ( $value = self::get_runner()->config[ $key ] )
				$assoc_args[ $key ] = $value;
		}

		$php_bin = self::get_php_binary();

		$script_path = $GLOBALS['argv'][0];

		$args = implode( ' ', array_map( 'escapeshellarg', $args ) );
		$assoc_args = \WP_CLI\Utils\assoc_args_to_str( $assoc_args );

		$full_command = "{$php_bin} {$script_path} {$command} {$args} {$assoc_args}";

		return self::launch( $full_command, $exit_on_error, $return_detailed );
	}

	/**
	 * Get the path to the PHP binary used when executing WP-CLI.
	 * Environment values permit specific binaries to be indicated.
	 *
	 * @return string
	 */
	public static function get_php_binary() {
		if ( defined( 'PHP_BINARY' ) )
			return PHP_BINARY;

		if ( getenv( 'WP_CLI_PHP_USED' ) )
			return getenv( 'WP_CLI_PHP_USED' );

		if ( getenv( 'WP_CLI_PHP' ) )
			return getenv( 'WP_CLI_PHP' );

		return 'php';
	}

	public static function get_config( $key = null ) {
		if ( null === $key ) {
			return self::get_runner()->config;
		}

		if ( !isset( self::get_runner()->config[ $key ] ) ) {
			self::warning( "Unknown config option '$key'." );
			return null;
		}

		return self::get_runner()->config[ $key ];
	}

	/**
	 * Run a given command within the current process using the same global parameters.
	 *
	 * To run a command using a new process with the same global parameters, use WP_CLI::launch_self()
	 * To run a command using a new process with different global parameters, use WP_CLI::launch()
	 *
	 * @param array
	 * @param array
	 */
	public static function run_command( $args, $assoc_args = array() ) {
		self::get_runner()->run_command( $args, $assoc_args );
	}


	// DEPRECATED STUFF

	public static function add_man_dir() {
		trigger_error( 'WP_CLI::add_man_dir() is deprecated. Add docs inline.', E_USER_WARNING );
	}

	// back-compat
	public static function out( $str ) {
		fwrite( STDOUT, $str );
	}

	// back-compat
	public static function addCommand( $name, $class ) {
		trigger_error( sprintf( 'wp %s: %s is deprecated. use WP_CLI::add_command() instead.',
			$name, __FUNCTION__ ), E_USER_WARNING );
		self::add_command( $name, $class );
	}
}

<?php

/**
 * Manage the object cache.
 *
 * ## EXAMPLES
 *
 *     wp cache set my_key my_value my_group 300
 *
 *     wp cache get my_key my_group
 */
class Cache_Command extends WP_CLI_Command {

	/**
	 * Add a value to the object cache.
	 *
	 * If a value already exists for the key, the value isn't added.
	 *
	 * <key>
	 * : Cache key.
	 *
	 * <value>
	 * : Value to add to the key.
	 *
	 * [<group>]
	 * : Method for grouping data within the cache which allows the same key to be used across groups.
	 *
	 * [<expiration>]
	 * : Define how long to keep the value, in seconds. Defaults to 0 (as long as possible).
	 */
	public function add( $args, $assoc_args ) {
		list( $key, $value ) = $args;

		$group = \WP_CLI\Utils\get_flag_value( $args, 2, '' );

		$expiration = \WP_CLI\Utils\get_flag_value( $args, 3, 0 );

		if ( ! wp_cache_add( $key, $value, $group, $expiration ) ) {
			WP_CLI::error( "Could not add object '$key' in group '$group'. Does it already exist?" );
		}

		WP_CLI::success( "Added object '$key' in group '$group'." );
	}

	/**
	 * Decrement a value in the object cache.
	 *
	 * <key>
	 * : Cache key.
	 *
	 * [<offset>]
	 * : The amount by which to decrement the item's value. Default is 1.
	 *
	 * [<group>]
	 * : Method for grouping data within the cache which allows the same key to be used across groups.
	 */
	public function decr( $args, $assoc_args ) {
		$key = $args[0];

		$offset = \WP_CLI\Utils\get_flag_value( $args, 1, 1 );

		$group = \WP_CLI\Utils\get_flag_value( $args, 2, '' );

		$value = wp_cache_decr( $key, $offset, $group );

		if ( false === $value ) {
			WP_CLI::error( 'The value was not decremented.' );
		}

		WP_CLI::print_value( $value, $assoc_args );
	}

	/**
	 * Remove a value from the object cache.
	 *
	 * <key>
	 * : Cache key.
	 *
	 * [<group>]
	 * : Method for grouping data within the cache which allows the same key to be used across groups.
	 */
	public function delete( $args, $assoc_args ) {
		$key = $args[0];

		$group = \WP_CLI\Utils\get_flag_value( $args, 1, '' );

		$result = wp_cache_delete( $key, $group );

		if ( false === $result ) {
			WP_CLI::error( 'The object was not deleted.' );
		}

		WP_CLI::success( 'Object deleted.' );
	}

	/**
	 * Flush the object cache.
	 *
	 * For sites using a persistent object cache, because WordPress Multisite simply adds a blog id
	 * to the cache key, flushing cache is typically a global operation.
	 */
	public function flush( $args, $assoc_args ) {
		$value = wp_cache_flush();

		if ( false === $value ) {
			WP_CLI::error( 'The object cache could not be flushed.' );
		}

		WP_CLI::success( 'The cache was flushed.' );
	}

	/**
	 * Get a value from the object cache.
	 *
	 * <key>
	 * : Cache key.
	 *
	 * [<group>]
	 * : Method for grouping data within the cache which allows the same key to be used across groups.
	 */
	public function get( $args, $assoc_args ) {
		$key = $args[0];

		$group = \WP_CLI\Utils\get_flag_value( $args, 1, '' );

		$value = wp_cache_get( $key, $group );

		if ( false === $value ) {
			WP_CLI::error( "Object with key '$key' and group '$group' not found." );
		}

		WP_CLI::print_value( $value, $assoc_args );
	}

	/**
	 * Increment a value in the object cache.
	 *
	 * <key>
	 * : Cache key.
	 *
	 * [<offset>]
	 * : The amount by which to increment the item's value. Default is 1.
	 *
	 * [<group>]
	 * : Method for grouping data within the cache which allows the same key to be used across groups.
	 */
	public function incr( $args, $assoc_args ) {
		$key = $args[0];

		$offset = \WP_CLI\Utils\get_flag_value( $args, 1, 1 );

		$group = \WP_CLI\Utils\get_flag_value( $args, 2, '' );

		$value = wp_cache_incr( $key, $offset, $group );

		if ( false === $value ) {
			WP_CLI::error( 'The value was not incremented.' );
		}

		WP_CLI::print_value( $value, $assoc_args );
	}

	/**
	 * Replace a value in the object cache, if the value already exists.
	 *
	 * <key>
	 * : Cache key.
	 *
	 * <value>
	 * : Value to replace.
	 *
	 * [<group>]
	 * : Method for grouping data within the cache which allows the same key to be used across groups.
	 *
	 * [<expiration>]
	 * : Define how long to keep the value, in seconds. Defaults to 0 (as long as possible).
	 */
	public function replace( $args, $assoc_args ) {
		list( $key, $value ) = $args;

		$group = \WP_CLI\Utils\get_flag_value( $args, 2, '' );

		$expiration = \WP_CLI\Utils\get_flag_value( $args, 3, 0 );

		$result = wp_cache_replace( $key, $value, $group, $expiration );

		if ( false === $result ) {
			WP_CLI::error( "Could not replace object '$key' in group '$group'. Does it already exist?" );
		}

		WP_CLI::success( "Replaced object '$key' in group '$group'." );
	}

	/**
	 * Set a value to the object cache, regardless of whether it already exists.
	 *
	 * <key>
	 * : Cache key.
	 *
	 * <value>
	 * : Value to set on the key.
	 *
	 * [<group>]
	 * : Method for grouping data within the cache which allows the same key to be used across groups.
	 *
	 * [<expiration>]
	 * : Define how long to keep the value, in seconds. Defaults to 0 (as long as possible).
	 */
	public function set( $args, $assoc_args ) {
		list( $key, $value ) = $args;

		$group = \WP_CLI\Utils\get_flag_value( $args, 2, '' );

		$expiration = \WP_CLI\Utils\get_flag_value( $args, 3, 0 );

		$result = wp_cache_set( $key, $value, $group, $expiration );

		if ( false === $result ) {
			WP_CLI::error( "Could not add object '$key' in group '$group'." );
		}

		WP_CLI::success( "Set object '$key' in group '$group'." );
	}

	/**
	 * Attempts to determine which object cache is being used.
	 *
	 * Note that the guesses made by this function are based on the WP_Object_Cache classes
	 * that define the 3rd party object cache extension. Changes to those classes could render
	 * problems with this function's ability to determine which object cache is being used.
	 */
	public function type( $args, $assoc_args ) {
		$message = WP_CLI\Utils\wp_get_cache_type();
		WP_CLI::line( $message );
	}
}

WP_CLI::add_command( 'cache', 'Cache_Command' );

<?php

/**
 * Manage user capabilities.
 *
 * ## EXAMPLES
 *
 *     # Add 'spectate' capability to 'author' role
 *     wp cap add 'author' 'spectate'
 *
 *     # Add all caps from 'editor' role to 'author' role
 *     wp cap list 'editor' | xargs wp cap add 'author'
 *
 *     # Remove all caps from 'editor' role that also appear in 'author' role
 *     wp cap list 'author' | xargs wp cap remove 'editor'
 */
class Capabilities_Command extends WP_CLI_Command {

	/**
	 * List capabilities for a given role.
	 *
	 * <role>
	 * : Key for the role.
	 *
	 * ## EXAMPLES
	 *
	 *     # Display alphabetical list of bbPress moderator capabilities
	 *     wp cap list 'bbp_moderator' | sort
	 *
	 * @subcommand list
	 */
	public function list_( $args ) {
		$role_obj = self::get_role( $args[0] );

		foreach ( array_keys( $role_obj->capabilities ) as $cap )
			WP_CLI::line( $cap );
	}

	/**
	 * Add capabilities to a given role.
	 *
	 * <role>
	 * : Key for the role.
	 *
	 * <cap>...
	 * : One or more capabilities to add.
	 */
	public function add( $args ) {
		self::persistence_check();

		$role = array_shift( $args );

		$role_obj = self::get_role( $role );

		$count = 0;

		foreach ( $args as $cap ) {
			if ( $role_obj->has_cap( $cap ) )
				continue;

			$role_obj->add_cap( $cap );

			$count++;
		}

		WP_CLI::success( sprintf( "Added %d capabilities to '%s' role." , $count, $role ) );
	}

	/**
	 * Remove capabilities from a given role.
	 *
	 * <role>
	 * : Key for the role.
	 *
	 * <cap>...
	 * : One or more capabilities to remove.
	 */
	public function remove( $args ) {
		self::persistence_check();

		$role = array_shift( $args );

		$role_obj = self::get_role( $role );

		$count = 0;

		foreach ( $args as $cap ) {
			if ( !$role_obj->has_cap( $cap ) )
				continue;

			$role_obj->remove_cap( $cap );

			$count++;
		}

		WP_CLI::success( sprintf( "Removed %d capabilities from '%s' role." , $count, $role ) );
	}

	private static function get_role( $role ) {
		global $wp_roles;

		$role_obj = $wp_roles->get_role( $role );

		if ( !$role_obj )
			WP_CLI::error( "'$role' role not found." );

		return $role_obj;
	}

	private static function persistence_check() {
		global $wp_roles;

		if ( !$wp_roles->use_db )
			WP_CLI::error( "Role definitions are not persistent." );
	}
}

WP_CLI::add_command( 'cap', 'Capabilities_Command' );

<?php

use \Composer\Semver\Comparator;
use \WP_CLI\Dispatcher;
use \WP_CLI\Utils;

/**
 * Get information about WP-CLI itself.
 *
 * @when before_wp_load
 */
class CLI_Command extends WP_CLI_Command {

	private function command_to_array( $command ) {
		$dump = array(
			'name' => $command->get_name(),
			'description' => $command->get_shortdesc(),
			'longdesc' => $command->get_longdesc(),
		);

		foreach ( $command->get_subcommands() as $subcommand ) {
			$dump['subcommands'][] = self::command_to_array( $subcommand );
		}

		if ( empty( $dump['subcommands'] ) ) {
			$dump['synopsis'] = (string) $command->get_synopsis();
		}

		return $dump;
	}

	/**
	 * Print WP-CLI version.
	 */
	public function version() {
		WP_CLI::line( 'WP-CLI ' . WP_CLI_VERSION );
	}

	/**
	 * Print various data about the CLI environment.
	 *
	 * ## OPTIONS
	 *
	 * [--format=<format>]
	 * : Accepted values: json
	 */
	public function info( $_, $assoc_args ) {
		$php_bin = WP_CLI::get_php_binary();

		$runner = WP_CLI::get_runner();

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'format' ) === 'json' ) {
			$info = array(
				'php_binary_path' => $php_bin,
				'global_config_path' => $runner->global_config_path,
				'project_config_path' => $runner->project_config_path,
				'wp_cli_dir_path' => WP_CLI_ROOT,
				'wp_cli_version' => WP_CLI_VERSION,
			);

			WP_CLI::line( json_encode( $info ) );
		} else {
			WP_CLI::line( "PHP binary:\t" . $php_bin );
			WP_CLI::line( "PHP version:\t" . PHP_VERSION );
			WP_CLI::line( "php.ini used:\t" . get_cfg_var( 'cfg_file_path' ) );
			WP_CLI::line( "WP-CLI root dir:\t" . WP_CLI_ROOT );
			WP_CLI::line( "WP-CLI global config:\t" . $runner->global_config_path );
			WP_CLI::line( "WP-CLI project config:\t" . $runner->project_config_path );
			WP_CLI::line( "WP-CLI version:\t" . WP_CLI_VERSION );
		}
	}

	/**
	 * Check for update via Github API. Returns the available versions if there are updates, or empty if no update available.
	 *
	 * ## OPTIONS
	 *
	 * [--patch]
	 * : Only list patch updates
	 *
	 * [--minor]
	 * : Only list minor updates
	 *
	 * [--major]
	 * : Only list major updates
	 *
	 * [--field=<field>]
	 * : Prints the value of a single field for each update.
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific object fields. Defaults to version,update_type,package_url.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, csv, json, count. Default: table
	 *
	 * @subcommand check-update
	 */
	public function check_update( $_, $assoc_args ) {
		$updates = $this->get_updates( $assoc_args );

		if ( $updates ) {
			$formatter = new \WP_CLI\Formatter(
				$assoc_args,
				array( 'version', 'update_type', 'package_url' )
			);
			$formatter->display_items( $updates );
		} else if ( empty( $assoc_args['format'] ) || 'table' == $assoc_args['format'] ) {
			$update_type = $this->get_update_type_str( $assoc_args );
			WP_CLI::success( "WP-CLI is at the latest{$update_type}version." );
		}
	}

	/**
	 * Fetch most recent update matching the requirements. Returns the available versions if there are updates, or empty if no update available.
	 *
	 * ## OPTIONS
	 *
	 * [--patch]
	 * : Only perform patch updates
	 *
	 * [--minor]
	 * : Only perform minor updates
	 *
	 * [--major]
	 * : Only perform major updates
	 *
	 * [--nightly]
	 * : Update to the latest built version of the master branch. Potentially unstable.
	 *
	 * [--yes]
	 * : Do not prompt for confirmation
	 */
	public function update( $_, $assoc_args ) {
		if ( ! Utils\inside_phar() ) {
			WP_CLI::error( "You can only self-update Phar files." );
		}

		$old_phar = realpath( $_SERVER['argv'][0] );

		if ( ! is_writable( $old_phar ) ) {
			WP_CLI::error( sprintf( "%s is not writable by current user", $old_phar ) );
		} else if ( ! is_writeable( dirname( $old_phar ) ) ) {
			WP_CLI::error( sprintf( "%s is not writable by current user", dirname( $old_phar ) ) );
		}

		if ( isset( $assoc_args['nightly'] ) ) {

			WP_CLI::confirm( sprintf( 'You have version %s. Would you like to update to the latest nightly?', WP_CLI_VERSION ), $assoc_args );

			$download_url = 'https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli-nightly.phar';

		} else {

			$updates = $this->get_updates( $assoc_args );

			if ( empty( $updates ) ) {
				$update_type = $this->get_update_type_str( $assoc_args );
				WP_CLI::success( "WP-CLI is at the latest{$update_type}version." );
				exit(0);
			}

			$newest = $updates[0];

			WP_CLI::confirm( sprintf( 'You have version %s. Would you like to update to %s?', WP_CLI_VERSION, $newest['version'] ), $assoc_args );

			$download_url = $newest['package_url'];

		}

		WP_CLI::log( sprintf( 'Downloading from %s...', $download_url ) );

		$temp = \WP_CLI\Utils\get_temp_dir() . uniqid('wp_') . '.phar';

		$headers = array();
		$options = array(
			'timeout' => 600,  // 10 minutes ought to be enough for everybody
			'filename' => $temp
		);

		Utils\http_request( 'GET', $download_url, null, $headers, $options );

		$allow_root = WP_CLI::get_runner()->config['allow-root'] ? '--allow-root' : '';
		$php_binary = WP_CLI::get_php_binary();
		$process = WP_CLI\Process::create( "{$php_binary} $temp --version {$allow_root}" );
		$result = $process->run();
		if ( 0 !== $result->return_code ) {
			$multi_line = explode( PHP_EOL, $result->stderr );
			WP_CLI::error_multi_line( $multi_line );
			WP_CLI::error( 'The downloaded PHAR is broken, try running wp cli update again.' );
		}

		WP_CLI::log( 'New version works. Proceeding to replace.' );

		$mode = fileperms( $old_phar ) & 511;

		if ( false === @chmod( $temp, $mode ) ) {
			WP_CLI::error( sprintf( "Cannot chmod %s", $temp ) );
		}

		class_exists( '\cli\Colors' ); // this autoloads \cli\Colors - after we move the file we no longer have access to this class

		if ( false === @rename( $temp, $old_phar ) ) {
			WP_CLI::error( sprintf( "Cannot move %s to %s", $temp, $old_phar ) );
		}

		if ( isset( $assoc_args['nightly'] ) ) {
			$updated_version = 'the latest nightly release';
		} else {
			$updated_version = $newest['version'];
		}
		WP_CLI::success( sprintf( 'Updated WP-CLI to %s', $updated_version ) );
	}

	/**
	 * Returns update information
	 */
	private function get_updates( $assoc_args ) {
		$url = 'https://api.github.com/repos/wp-cli/wp-cli/releases';

		$options = array(
			'timeout' => 30
		);

		$headers = array(
			'Accept' => 'application/json'
		);
		$response = Utils\http_request( 'GET', $url, $headers, $options );

		if ( ! $response->success || 200 !== $response->status_code ) {
			WP_CLI::error( sprintf( "Failed to get latest version (HTTP code %d)", $response->status_code ) );
		}

		$release_data = json_decode( $response->body );

		$updates = array(
			'major'      => false,
			'minor'      => false,
			'patch'      => false,
			);
		foreach ( $release_data as $release ) {

			// get rid of leading "v" if there is one set
			$release_version = $release->tag_name;
			if ( 'v' === substr( $release_version, 0, 1 ) ) {
				$release_version = ltrim( $release_version, 'v' );
			}

			$update_type = Utils\get_named_sem_ver( $release_version, WP_CLI_VERSION );
			if ( ! $update_type ) {
				continue;
			}

			if ( ! empty( $updates[ $update_type ] ) && ! Comparator::greaterThan( $release_version, $updates[ $update_type ]['version'] ) ) {
				continue;
			}

			$updates[ $update_type ] = array(
				'version' => $release_version,
				'update_type' => $update_type,
				'package_url' => $release->assets[0]->browser_download_url
			);
		}

		foreach( $updates as $type => $value ) {
			if ( empty( $value ) ) {
				unset( $updates[ $type ] );
			}
		}

		foreach( array( 'major', 'minor', 'patch' ) as $type ) {
			if ( true === \WP_CLI\Utils\get_flag_value( $assoc_args, $type ) ) {
				return ! empty( $updates[ $type ] ) ? array( $updates[ $type ] ) : false;
			}
		}
		return array_values( $updates );
	}

	/**
	 * Dump the list of global parameters, as JSON or in var_export format.
	 *
	 * ## OPTIONS
	 *
	 * [--with-values]
	 * : Display current values also.
	 *
	 * [--format=<format>]
	 * : Accepted values: var_export, json. Default: json.
	 *
	 * @subcommand param-dump
	 */
	function param_dump( $_, $assoc_args ) {
		$spec = \WP_CLI::get_configurator()->get_spec();

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'with-values' ) ) {
			$config = \WP_CLI::get_configurator()->to_array();
			// Copy current config values to $spec
			foreach ( $spec as $key => $value ) {
				if ( isset( $config[0][$key] ) ) {
					$current = $config[0][$key];
				} else {
					$current = NULL;
				}
				$spec[$key]['current'] = $current;
			}
		}

		if ( 'var_export' === \WP_CLI\Utils\get_flag_value( $assoc_args, 'format' ) ) {
			var_export( $spec );
		} else {
			echo json_encode( $spec );
		}
	}

	/**
	 * Dump the list of installed commands, as JSON.
	 *
	 * @subcommand cmd-dump
	 */
	public function cmd_dump() {
		echo json_encode( self::command_to_array( WP_CLI::get_root_command() ) );
	}

	/**
	 * Generate tab completion strings.
	 *
	 * ## OPTIONS
	 *
	 * --line=<line>
	 * : The current command line to be executed
	 *
	 * --point=<point>
	 * : The index to the current cursor position relative to the beginning of the command
	 */
	public function completions( $_, $assoc_args ) {
		$line = substr( $assoc_args['line'], 0, $assoc_args['point'] );
		$compl = new \WP_CLI\Completions( $line );
		$compl->render();
	}

	/**
	 * Get a string representing the type of update being checked for
	 */
	private function get_update_type_str( $assoc_args ) {
		$update_type = ' ';
		foreach( array( 'major', 'minor', 'patch' ) as $type ) {
			if ( true === \WP_CLI\Utils\get_flag_value( $assoc_args, $type ) ) {
				$update_type = ' ' . $type . ' ';
				break;
			}
		}
		return $update_type;
	}

}

WP_CLI::add_command( 'cli', 'CLI_Command' );

<?php

/**
 * Manage comments.
 *
 * ## EXAMPLES
 *
 *     # delete all spam comments.
 *     wp comment delete $(wp comment list --status=spam --format=ids)
 *
 * @package wp-cli
 */
class Comment_Command extends \WP_CLI\CommandWithDBObject {

	protected $obj_type = 'comment';
	protected $obj_id_key = 'comment_ID';
	protected $obj_fields = array(
		'comment_ID',
		'comment_post_ID',
		'comment_date',
		'comment_approved',
		'comment_author',
		'comment_author_email',
	);

	public function __construct() {
		$this->fetcher = new \WP_CLI\Fetchers\Comment;
	}

	/**
	 * Insert a comment.
	 *
	 * ## OPTIONS
	 *
	 * [--<field>=<value>]
	 * : Associative args for the new comment. See wp_insert_comment().
	 *
	 * [--porcelain]
	 * : Output just the new comment id.
	 *
	 * ## EXAMPLES
	 *
	 *     wp comment create --comment_post_ID=15 --comment_content="hello blog" --comment_author="wp-cli"
	 */
	public function create( $args, $assoc_args ) {
		parent::_create( $args, $assoc_args, function ( $params ) {
			if ( isset( $params['comment_post_ID'] ) ) {
				$post_id = $params['comment_post_ID'];
				$post = get_post( $post_id );
				if ( !$post ) {
					return new WP_Error( 'no_post', "Can't find post $post_id." );
				}
			}

			// We use wp_insert_comment() instead of wp_new_comment() to stay at a low level and
			// avoid wp_die() formatted messages or notifications
			$comment_id = wp_insert_comment( $params );

			if ( !$comment_id ) {
				return new WP_Error( 'db_error', 'Could not create comment.' );
			}

			return $comment_id;
		} );
	}

	/**
	 * Update one or more comments.
	 *
	 * ## OPTIONS
	 *
	 * <id>...
	 * : One or more IDs of comments to update.
	 *
	 * --<field>=<value>
	 * : One or more fields to update. See wp_update_comment().
	 *
	 * ## EXAMPLES
	 *
	 *     wp comment update 123 --comment_author='That Guy'
	 */
	public function update( $args, $assoc_args ) {
		parent::_update( $args, $assoc_args, function ( $params ) {
			if ( !wp_update_comment( $params ) ) {
				return new WP_Error( 'Could not update comment.' );
			}

			return true;
		} );
	}

	/**
	 * Generate comments.
	 *
	 * ## OPTIONS
	 *
	 * [--count=<number>]
	 * : How many comments to generate. Default: 100
	 */
	public function generate( $args, $assoc_args ) {

		$defaults = array(
			'count' => 100,
		);
		$assoc_args = array_merge( $defaults, $assoc_args );

		$notify = \WP_CLI\Utils\make_progress_bar( 'Generating comments', $assoc_args['count'] );
		$comment_count = wp_count_comments();
		$total = (int )$comment_count->total_comments;
		$limit = $total + $assoc_args['count'];

		for ( $i = $total; $i < $limit; $i++ ) {
			wp_insert_comment( array(
				'comment_content'       => "Comment {$i}",
				) );
			$notify->tick();
		}

		$notify->finish();

	}

	/**
	 * Get a single comment.
	 *
	 * ## OPTIONS
	 *
	 * <id>
	 * : The comment to get.
	 *
	 * [--field=<field>]
	 * : Instead of returning the whole comment, returns the value of a single field.
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific fields. Defaults to all fields.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, json, csv. Default: table
	 *
	 * ## EXAMPLES
	 *
	 *     wp comment get 1 --field=content
	 */
	public function get( $args, $assoc_args ) {
		$comment_id = (int)$args[0];
		$comment = get_comment( $comment_id );
		if ( empty( $comment ) ) {
			WP_CLI::error( "Invalid comment ID." );
		}

		if ( empty( $assoc_args['fields'] ) ) {
			$comment_array = get_object_vars( $comment );
			$assoc_args['fields'] = array_keys( $comment_array );
		}

		$formatter = $this->get_formatter( $assoc_args );
		$formatter->display_item( $comment );
	}

	/**
	 * Get a list of comments.
	 *
	 * ## OPTIONS
	 *
	 * [--<field>=<value>]
	 * : One or more args to pass to WP_Comment_Query.
	 *
	 * [--field=<field>]
	 * : Prints the value of a single field for each comment.
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific object fields.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, csv, json, count. Default: table
	 *
	 * ## AVAILABLE FIELDS
	 *
	 * These fields will be displayed by default for each comment:
	 *
	 * * comment_ID
	 * * comment_post_ID
	 * * comment_date
	 * * comment_approved
	 * * comment_author
	 * * comment_author_email
	 *
	 * These fields are optionally available:
	 *
	 * * comment_author_url
	 * * comment_author_IP
	 * * comment_date_gmt
	 * * comment_content
	 * * comment_karma
	 * * comment_agent
	 * * comment_type
	 * * comment_parent
	 * * user_id
	 *
	 * ## EXAMPLES
	 *
	 *     wp comment list --field=ID
	 *
	 *     wp comment list --post_id=2
	 *
	 *     wp comment list --number=20 --status=approve
	 *
	 * @subcommand list
	 */
	public function list_( $_, $assoc_args ) {
		$formatter = $this->get_formatter( $assoc_args );

		if ( 'ids' == $formatter->format )
			$assoc_args['fields'] = 'comment_ID';

		$query = new WP_Comment_Query();
		$comments = $query->query( $assoc_args );

		if ( 'ids' == $formatter->format ) {
			$comments = wp_list_pluck( $comments, 'comment_ID' );
		}

		$formatter->display_items( $comments );
	}

	/**
	 * Delete a comment.
	 *
	 * ## OPTIONS
	 *
	 * <id>...
	 * : One or more IDs of comments to delete.
	 *
	 * [--force]
	 * : Skip the trash bin.
	 *
	 * ## EXAMPLES
	 *
	 *     wp comment delete 1337 --force
	 *
	 *     wp comment delete 1337 2341 --force
	 */
	public function delete( $args, $assoc_args ) {
		parent::_delete( $args, $assoc_args, function ( $comment_id, $assoc_args ) {
			$r = wp_delete_comment( $comment_id, \WP_CLI\Utils\get_flag_value( $assoc_args, 'force' ) );

			if ( $r ) {
				return array( 'success', "Deleted comment $comment_id." );
			} else {
				return array( 'error', "Failed deleting comment $comment_id" );
			}
		} );
	}

	private function call( $args, $status, $success, $failure ) {
		list( $comment_id ) = $args;

		$func = sprintf( 'wp_%s_comment', $status );

		if ( $func( $comment_id ) ) {
			WP_CLI::success( "$success comment $comment_id." );
		} else {
			WP_CLI::error( "$failure comment $comment_id" );
		}
	}

	private function set_status( $args, $status, $success ) {
		$comment = $this->fetcher->get_check( $args[0] );

		$r = wp_set_comment_status( $comment->comment_ID, $status, true );

		if ( is_wp_error( $r ) ) {
			WP_CLI::error( $r );
		} else {
			WP_CLI::success( "$success comment $comment->comment_ID" );
		}
	}

	/**
	 * Trash a comment.
	 *
	 * ## OPTIONS
	 *
	 * <id>...
	 * : The IDs of the comments to trash.
	 *
	 * ## EXAMPLES
	 *
	 *     wp comment trash 1337
	 */
	public function trash( $args, $assoc_args ) {
		foreach( $args as $id ) {
			$this->call( $id, __FUNCTION__, 'Trashed', 'Failed trashing' );
		}
	}

	/**
	 * Untrash a comment.
	 *
	 * ## OPTIONS
	 *
	 * <id>...
	 * : The IDs of the comments to untrash.
	 *
	 * ## EXAMPLES
	 *
	 *     wp comment untrash 1337
	 */
	public function untrash( $args, $assoc_args ) {
		foreach( $args as $id ) {
			$this->call( $id, __FUNCTION__, 'Untrashed', 'Failed untrashing' );
		}
	}

	/**
	 * Spam a comment.
	 *
	 * ## OPTIONS
	 *
	 * <id>...
	 * : The IDs of the comments to mark as spam.
	 *
	 * ## EXAMPLES
	 *
	 *     wp comment spam 1337
	 */
	public function spam( $args, $assoc_args ) {
		foreach( $args as $id ) {
			$this->call( $id, __FUNCTION__, 'Marked as spam', 'Failed marking as spam' );
		}
	}

	/**
	 * Unspam a comment.
	 *
	 * ## OPTIONS
	 *
	 * <id>...
	 * : The IDs of the comments to unmark as spam.
	 *
	 * ## EXAMPLES
	 *
	 *     wp comment unspam 1337
	 */
	public function unspam( $args, $assoc_args ) {
		foreach( $args as $id ) {
			$this->call( $args, __FUNCTION__, 'Unspammed', 'Failed unspamming' );
		}
	}

	/**
	 * Approve a comment.
	 *
	 * ## OPTIONS
	 *
	 * <id>...
	 * : The IDs of the comments to approve.
	 *
	 * ## EXAMPLES
	 *
	 *     wp comment approve 1337
	 */
	public function approve( $args, $assoc_args ) {
		foreach( $args as $id ) {
			$this->set_status( $id, 'approve', "Approved" );
		}
	}

	/**
	 * Unapprove a comment.
	 *
	 * ## OPTIONS
	 *
	 * <id>...
	 * : The IDs of the comments to unapprove.
	 *
	 * ## EXAMPLES
	 *
	 *     wp comment unapprove 1337
	 */
	public function unapprove( $args, $assoc_args ) {
		foreach( $args as $id ) {
			$this->set_status( $id, 'hold', "Unapproved" );
		}
	}

	/**
	 * Count comments, on whole blog or on a given post.
	 *
	 * ## OPTIONS
	 *
	 * [<post-id>]
	 * : The ID of the post to count comments in.
	 *
	 * ## EXAMPLES
	 *
	 *     wp comment count
	 *     wp comment count 42
	 */
	public function count( $args, $assoc_args ) {
		$post_id = \WP_CLI\Utils\get_flag_value( $args, 0, 0 );

		$count = wp_count_comments( $post_id );

		// Move total_comments to the end of the object
		$total = $count->total_comments;
		unset( $count->total_comments );
		$count->total_comments = $total;

		foreach ( $count as $status => $count ) {
			WP_CLI::line( str_pad( "$status:", 17 ) . $count );
		}
	}

	/**
	 * Recount the comment_count value for one or more posts.
	 *
	 * <id>...
	 * : IDs for one or more posts to update.
	 */
	public function recount( $args ) {
		foreach( $args as $id ) {
			wp_update_comment_count( $id );
			$post = get_post( $id );
			if ( $post ) {
				WP_CLI::log( sprintf( "Updated post %d comment count to %d", $post->ID, $post->comment_count ) );
			} else {
				WP_CLI::warning( sprintf( "Post %d doesn't exist", $post->ID ) );
			}
		}
	}

	/**
	 * Get status of a comment.
	 *
	 * ## OPTIONS
	 *
	 * <id>
	 * : The ID of the comment to check.
	 *
	 * ## EXAMPLES
	 *
	 *     wp comment status 1337
	 */
	public function status( $args, $assoc_args ) {
		list( $comment_id ) = $args;

		$status = wp_get_comment_status( $comment_id );

		if ( false === $status ) {
			WP_CLI::error( "Could not check status of comment $comment_id." );
		} else {
			WP_CLI::line( $status );
		}
	}

	/**
	 * Verify whether a comment exists.
	 *
	 * ## OPTIONS
	 *
	 * <id>
	 * : The ID of the comment to check.
	 *
	 * ## EXAMPLES
	 *
	 *     wp comment exists 1337
	 */
	public function exists( $args ) {
		if ( $this->fetcher->get( $args[0] ) ) {
			WP_CLI::success( "Comment with ID $args[0] exists." );
		}
	}

	/**
	 * Get comment url
	 *
	 * ## OPTIONS
	 *
	 * <id>...
	 * : One or more IDs of comments to get the URL.
	 *
	 * ## EXAMPLES
	 *
	 *     wp comment url 123
	 */
	public function url( $args ) {
		parent::_url( $args, 'get_comment_link' );
	}
}

/**
 * Manage comment custom fields.
 *
 * ## OPTIONS
 *
 * --format=json
 * : Encode/decode values as JSON.
 *
 * ## EXAMPLES
 *
 *     wp comment meta set 123 description "Mary is a WordPress developer."
 */
class Comment_Meta_Command extends \WP_CLI\CommandWithMeta {
	protected $meta_type = 'comment';

	/**
	 * Check that the comment ID exists
	 *
	 * @param int
	 */
	protected function check_object_id( $object_id ) {
		$fetcher = new \WP_CLI\Fetchers\Comment;
		$comment = $fetcher->get_check( $object_id );
		return $comment->comment_ID;
	}
}

WP_CLI::add_command( 'comment', 'Comment_Command' );
WP_CLI::add_command( 'comment meta', 'Comment_Meta_Command' );

<?php

use \Composer\Semver\Comparator;
use \WP_CLI\Utils;

/**
 * Download, install, update and otherwise manage WordPress proper.
 *
 * @package wp-cli
 */
class Core_Command extends WP_CLI_Command {

	/**
	 * Check for update via Version Check API.
	 *
	 * Lists the most recent versions when there are updates available, or success message when up to date.
	 *
	 * ## OPTIONS
	 *
	 * [--minor]
	 * : Compare only the first two parts of the version number.
	 *
	 * [--major]
	 * : Compare only the first part of the version number.
	 *
	 * [--field=<field>]
	 * : Prints the value of a single field for each update.
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific object fields. Defaults to version,update_type,package_url.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, csv, json. Default: table
	 *
	 * @subcommand check-update
	 */
	function check_update( $_, $assoc_args ) {

		$updates = $this->get_updates( $assoc_args );
		if ( $updates ) {
			$updates = array_reverse( $updates );
			$formatter = new \WP_CLI\Formatter(
				$assoc_args,
				array( 'version', 'update_type', 'package_url' )
			);
			$formatter->display_items( $updates );
		} else if ( empty( $assoc_args['format'] ) || 'table' == $assoc_args['format'] ) {
			WP_CLI::success( "WordPress is at the latest version." );
		}
	}

	/**
	 * Download core WordPress files.
	 *
	 * ## OPTIONS
	 *
	 * [--path=<path>]
	 * : Specify the path in which to install WordPress.
	 *
	 * [--locale=<locale>]
	 * : Select which language you want to download.
	 *
	 * [--version=<version>]
	 * : Select which version you want to download.
	 *
	 * [--force]
	 * : Overwrites existing files, if present.
	 *
	 * ## EXAMPLES
	 *
	 *     wp core download --locale=nl_NL
	 *
	 * @when before_wp_load
	 */
	public function download( $args, $assoc_args ) {

		$download_dir = ! empty( $assoc_args['path'] ) ? $assoc_args['path'] : ABSPATH;

		if ( ! \WP_CLI\Utils\get_flag_value( $assoc_args, 'force' ) && is_readable( $download_dir . 'wp-load.php' ) )
			WP_CLI::error( 'WordPress files seem to already be present here.' );

		if ( !is_dir( $download_dir ) ) {
			WP_CLI::log( sprintf( 'Creating directory %s', $download_dir ) );
			$mkdir = \WP_CLI\Utils\is_windows() ? 'mkdir %s' : 'mkdir -p %s';
			WP_CLI::launch( Utils\esc_cmd( $mkdir, $download_dir ) );
		}

		$locale = \WP_CLI\Utils\get_flag_value( $assoc_args, 'locale', 'en_US' );

		if ( isset( $assoc_args['version'] ) ) {
			$version = $assoc_args['version'];
			$download_url = $this->get_download_url($version, $locale, 'tar.gz');
		} else {
			$offer = $this->get_download_offer( $locale );
			if ( !$offer ) {
				WP_CLI::error( "The requested locale ($locale) was not found." );
			}
			$version = $offer['current'];
			$download_url = str_replace( '.zip', '.tar.gz', $offer['download'] );
		}

		WP_CLI::log( sprintf( 'Downloading WordPress %s (%s)...', $version, $locale ) );

		$cache = WP_CLI::get_cache();
		$cache_key = "core/wordpress-{$version}-{$locale}.tar.gz";
		$cache_file = $cache->has($cache_key);

		$bad_cache = false;
		if ( $cache_file ) {
			WP_CLI::log( "Using cached file '$cache_file'..." );
			try{
				self::_extract( $cache_file, $download_dir );
			} catch ( Exception $e ) {
				WP_CLI::warning( "Extraction failed, downloading a new copy..." );
				$bad_cache = true;
			}
		}

		if ( ! $cache_file || $bad_cache ) {
			// We need to use a temporary file because piping from cURL to tar is flaky
			// on MinGW (and probably in other environments too).
			$temp = \WP_CLI\Utils\get_temp_dir() . uniqid('wp_') . '.tar.gz';

			$headers = array('Accept' => 'application/json');
			$options = array(
				'timeout' => 600,  // 10 minutes ought to be enough for everybody
				'filename' => $temp
			);

			$response = Utils\http_request( 'GET', $download_url, null, $headers, $options );
			if ( 404 == $response->status_code ) {
				WP_CLI::error( "Release not found. Double-check locale or version." );
			} else if ( 20 != substr( $response->status_code, 0, 2 ) ) {
				WP_CLI::error( "Couldn't access download URL (HTTP code {$response->status_code})" );
			}

			try {
				self::_extract( $temp, $download_dir );
			} catch ( Exception $e ) {
				WP_CLI::error( "Couldn't extract WordPress archive. " . $e->getMessage() );
			}
			$cache->import( $cache_key, $temp );
			unlink($temp);
		}

		WP_CLI::success( 'WordPress downloaded.' );
	}

	private static function _extract( $tarball, $dest ) {
		if ( ! class_exists( 'PharData' ) ) {
			$cmd = "tar xz --strip-components=1 --directory=%s -f $tarball";
			WP_CLI::launch( Utils\esc_cmd( $cmd, $dest ) );
			return;
		}
		$phar = new PharData( $tarball );
		$tempdir = implode( DIRECTORY_SEPARATOR, Array (
			dirname( $tarball ),
			basename( $tarball, '.tar.gz' ),
			$phar->getFileName()
		) );

		$phar->extractTo( dirname( $tempdir ), null, true );

		self::_copy_overwrite_files( $tempdir, $dest );

		self::_rmdir( dirname( $tempdir ) );
	}

	private static function _copy_overwrite_files( $source, $dest ) {
		$iterator = new RecursiveIteratorIterator(
			new RecursiveDirectoryIterator( $source, RecursiveDirectoryIterator::SKIP_DOTS ),
			RecursiveIteratorIterator::SELF_FIRST);

		$error = 0;

		foreach ( $iterator as $item ) {

			$dest_path = $dest . DIRECTORY_SEPARATOR . $iterator->getSubPathName();

			if ( $item->isDir() ) {
				if ( !is_dir( $dest_path ) ) {
					mkdir( $dest_path );
				}
			} else {
				if ( file_exists( $dest_path ) && is_writable( $dest_path ) ) {
					copy( $item, $dest_path );
				} elseif ( ! file_exists( $dest_path ) ) {
					copy( $item, $dest_path );
				} else {
					$error = 1;
					WP_CLI::warning( 'Unable to copy ' . $iterator->getSubPathName() . ' to current directory.' );
				}
			}
		}

		if ( $error ) {
			WP_CLI::error( 'There was an error downloading all WordPress files.' );
		}
	}

	private static function _rmdir( $dir ) {
		$files = new RecursiveIteratorIterator(
			new RecursiveDirectoryIterator( $dir, RecursiveDirectoryIterator::SKIP_DOTS ),
			RecursiveIteratorIterator::CHILD_FIRST
		);

		foreach ( $files as $fileinfo ) {
			$todo = $fileinfo->isDir() ? 'rmdir' : 'unlink';
			$todo( $fileinfo->getRealPath() );
		}
		rmdir( $dir );
	}

	private static function _read( $url ) {
		$headers = array('Accept' => 'application/json');
		$response = Utils\http_request( 'GET', $url, null, $headers, array( 'timeout' => 30 ) );
		if ( 200 === $response->status_code ) {
			return $response->body;
		} else {
			WP_CLI::error( "Couldn't fetch response from {$url} (HTTP code {$response->status_code})" );
		}
	}

	private function get_download_offer( $locale ) {
		$out = unserialize( self::_read(
			'https://api.wordpress.org/core/version-check/1.6/?locale=' . $locale ) );

		$offer = $out['offers'][0];

		if ( $offer['locale'] != $locale ) {
			return false;
		}

		return $offer;
	}

	private static function get_initial_locale() {
		include ABSPATH . '/wp-includes/version.php';

		// @codingStandardsIgnoreStart
		if ( isset( $wp_local_package ) )
			return $wp_local_package;
		// @codingStandardsIgnoreEnd

		return '';
	}

	/**
	 * Generate a wp-config.php file.
	 *
	 * ## OPTIONS
	 *
	 * --dbname=<dbname>
	 * : Set the database name.
	 *
	 * --dbuser=<dbuser>
	 * : Set the database user.
	 *
	 * [--dbpass=<dbpass>]
	 * : Set the database user password.
	 *
	 * [--dbhost=<dbhost>]
	 * : Set the database host. Default: 'localhost'
	 *
	 * [--dbprefix=<dbprefix>]
	 * : Set the database table prefix. Default: 'wp_'
	 *
	 * [--dbcharset=<dbcharset>]
	 * : Set the database charset. Default: 'utf8'
	 *
	 * [--dbcollate=<dbcollate>]
	 * : Set the database collation. Default: ''
	 *
	 * [--locale=<locale>]
	 * : Set the WPLANG constant. Defaults to $wp_local_package variable.
	 *
	 * [--extra-php]
	 * : If set, the command copies additional PHP code into wp-config.php from STDIN.
	 *
	 * [--skip-salts]
	 * : If set, keys and salts won't be generated, but should instead be passed via `--extra-php`.
	 *
	 * [--skip-check]
	 * : If set, the database connection is not checked.
	 *
	 * ## EXAMPLES
	 *
	 *     # Standard wp-config.php file
	 *     wp core config --dbname=testing --dbuser=wp --dbpass=securepswd --locale=ro_RO
	 *
	 *     # Enable WP_DEBUG and WP_DEBUG_LOG
	 *     wp core config --dbname=testing --dbuser=wp --dbpass=securepswd --extra-php <<PHP
	 *     define( 'WP_DEBUG', true );
	 *     define( 'WP_DEBUG_LOG', true );
	 *     PHP
	 */
	public function config( $_, $assoc_args ) {
		global $wp_version;
		if ( Utils\locate_wp_config() ) {
			WP_CLI::error( "The 'wp-config.php' file already exists." );
		}

		$versions_path = ABSPATH . 'wp-includes/version.php';
		include $versions_path;

		$defaults = array(
			'dbhost' => 'localhost',
			'dbpass' => '',
			'dbprefix' => 'wp_',
			'dbcharset' => 'utf8',
			'dbcollate' => '',
			'locale' => self::get_initial_locale()
		);
		$assoc_args = array_merge( $defaults, $assoc_args );

		if ( preg_match( '|[^a-z0-9_]|i', $assoc_args['dbprefix'] ) )
			WP_CLI::error( '--dbprefix can only contain numbers, letters, and underscores.' );

		// Check DB connection
		if ( ! \WP_CLI\Utils\get_flag_value( $assoc_args, 'skip-check' ) ) {
			Utils\run_mysql_command( 'mysql --no-defaults', array(
				'execute' => ';',
				'host' => $assoc_args['dbhost'],
				'user' => $assoc_args['dbuser'],
				'pass' => $assoc_args['dbpass'],
			) );
		}

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'extra-php' ) === true ) {
			$assoc_args['extra-php'] = file_get_contents( 'php://stdin' );
		}

		// TODO: adapt more resilient code from wp-admin/setup-config.php
		if ( ! \WP_CLI\Utils\get_flag_value( $assoc_args, 'skip-salts' ) ) {
			$assoc_args['keys-and-salts'] = self::_read(
				'https://api.wordpress.org/secret-key/1.1/salt/' );
		}

		if ( \WP_CLI\Utils\wp_version_compare( '4.0', '<' ) ) {
			$assoc_args['add-wplang'] = true;
		} else {
			$assoc_args['add-wplang'] = false;
		}

		$out = Utils\mustache_render( 'wp-config.mustache', $assoc_args );

		$bytes_written = file_put_contents( ABSPATH . 'wp-config.php', $out );
		if ( ! $bytes_written ) {
			WP_CLI::error( 'Could not create new wp-config.php file.' );
		} else {
			WP_CLI::success( 'Generated wp-config.php file.' );
		}
	}

	/**
	 * Determine if the WordPress tables are installed.
	 *
	 * [--network]
	 * : Check if this is a multisite install
	 *
	 * ## EXAMPLES
	 *
	 *     if ! $(wp core is-installed); then
	 *         wp core install
	 *     fi
	 *
	 * @subcommand is-installed
	 */
	public function is_installed( $_, $assoc_args ) {

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'network' ) ) {
			if ( is_blog_installed() && is_multisite() ) {
				exit( 0 );
			} else {
				exit( 1 );
			}
		} else if ( is_blog_installed() ) {
			exit( 0 );
		} else {
			exit( 1 );
		}
	}

	/**
	 * Create the WordPress tables in the database.
	 *
	 * ## OPTIONS
	 *
	 * --url=<url>
	 * : The address of the new site.
	 *
	 * --title=<site-title>
	 * : The title of the new site.
	 *
	 * --admin_user=<username>
	 * : The name of the admin user.
	 *
	 * --admin_password=<password>
	 * : The password for the admin user.
	 *
	 * --admin_email=<email>
	 * : The email address for the admin user.
	 *
	 * [--skip-email]
	 * : Don't send an email notification to the new admin user.
	 */
	public function install( $args, $assoc_args ) {
		if ( $this->_install( $assoc_args ) ) {
			WP_CLI::success( 'WordPress installed successfully.' );
		} else {
			WP_CLI::log( 'WordPress is already installed.' );
		}
	}

	/**
	 * Transform a single-site install into a multi-site install.
	 *
	 * ## OPTIONS
	 *
	 * [--title=<network-title>]
	 * : The title of the new network.
	 *
	 * [--base=<url-path>]
	 * : Base path after the domain name that each site url will start with.
	 * Default: '/'
	 *
	 * [--subdomains]
	 * : If passed, the network will use subdomains, instead of subdirectories. Doesn't work with 'localhost'.
	 *
	 * @subcommand multisite-convert
	 * @alias install-network
	 */
	public function multisite_convert( $args, $assoc_args ) {
		if ( is_multisite() )
			WP_CLI::error( 'This already is a multisite install.' );

		$assoc_args = self::_set_multisite_defaults( $assoc_args );
		if ( !isset( $assoc_args['title'] ) ) {
			$assoc_args['title'] = sprintf( _x('%s Sites', 'Default network name' ), get_option( 'blogname' ) );
		}

		if ( $this->_multisite_convert( $assoc_args ) ) {
			WP_CLI::success( "Network installed. Don't forget to set up rewrite rules." );
		}
	}

	/**
	 * Install multisite from scratch.
	 *
	 * ## OPTIONS
	 *
	 * [--url=<url>]
	 * : The address of the new site.
	 *
	 * [--base=<url-path>]
	 * : Base path after the domain name that each site url in the network will start with.
	 * Default: '/'
	 *
	 * [--subdomains]
	 * : If passed, the network will use subdomains, instead of subdirectories. Doesn't work with 'localhost'.
	 *
	 * --title=<site-title>
	 * : The title of the new site.
	 *
	 * --admin_user=<username>
	 * : The name of the admin user. Default: 'admin'
	 *
	 * --admin_password=<password>
	 * : The password for the admin user.
	 *
	 * --admin_email=<email>
	 * : The email address for the admin user.
	 *
	 * [--skip-email]
	 * : Don't send an email notification to the new admin user.
	 *
	 * @subcommand multisite-install
	 */
	public function multisite_install( $args, $assoc_args ) {
		if ( $this->_install( $assoc_args ) ) {
			WP_CLI::log( 'Created single site database tables.' );
		} else {
			WP_CLI::log( 'Single site database tables already present.' );
		}

		$assoc_args = self::_set_multisite_defaults( $assoc_args );
		$assoc_args['title'] = sprintf( _x('%s Sites', 'Default network name' ), $assoc_args['title'] );

		// Overwrite runtime args, to avoid mismatches.
		$consts_to_args = array(
			'SUBDOMAIN_INSTALL' => 'subdomains',
			'PATH_CURRENT_SITE' => 'base',
			'SITE_ID_CURRENT_SITE' => 'site_id',
			'BLOG_ID_CURRENT_SITE' => 'blog_id',
		);

		foreach ( $consts_to_args as $const => $arg ) {
			if ( defined( $const ) ) {
				$assoc_args[ $arg ] = constant( $const );
			}
		}

		if ( !$this->_multisite_convert( $assoc_args ) ) {
			return;
		}

		// Do the steps that were skipped by populate_network(),
		// which checks is_multisite().
		if ( is_multisite() ) {
			$site_user = get_user_by( 'email', $assoc_args['admin_email'] );
			self::add_site_admins( $site_user );
			$domain = self::get_clean_basedomain();
			self::create_initial_blog(
				$assoc_args['site_id'],
				$assoc_args['blog_id'],
				$domain,
				$assoc_args['base'],
				$assoc_args['subdomains'],
				$site_user
			);
		}

		WP_CLI::success( "Network installed. Don't forget to set up rewrite rules." );
	}

	private static function _set_multisite_defaults( $assoc_args ) {
		$defaults = array(
			'subdomains' => false,
			'base' => '/',
			'site_id' => 1,
			'blog_id' => 1,
		);

		return array_merge( $defaults, $assoc_args );
	}

	private function _install( $assoc_args ) {
		if ( is_blog_installed() ) {
			return false;
		}

		if ( true === \WP_CLI\Utils\get_flag_value( $assoc_args, 'skip-email' )
			&& ! function_exists( 'wp_new_blog_notification' ) ) {
			function wp_new_blog_notification() {
				// Silence is golden
			}
		}

		require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );

		extract( wp_parse_args( $assoc_args, array(
			'title' => '',
			'admin_user' => '',
			'admin_email' => '',
			'admin_password' => ''
		) ), EXTR_SKIP );

		// Support prompting for the `--url=<url>`,
		// which is normally a runtime argument
		if ( isset( $assoc_args['url'] ) ) {
			WP_CLI::set_url( $assoc_args['url'] );
		}

		$public = true;

		// @codingStandardsIgnoreStart
		if ( !is_email( $admin_email ) ) {
			WP_CLI::error( "The '{$admin_email}' email address is invalid." );
		}

		$result = wp_install( $title, $admin_user, $admin_email, $public, '', $admin_password );

		if ( is_wp_error( $result ) ) {
			WP_CLI::error( 'Installation failed (' . WP_CLI::error_to_string($result) . ').' );
		}
		// @codingStandardsIgnoreEnd

		if ( ! empty( $GLOBALS['wpdb']->last_error ) ) {
			WP_CLI::error( 'Installation produced database errors, and may have partially or completely failed.' );
		}

		// Confirm the uploads directory exists
		$upload_dir = wp_upload_dir();
		if ( ! empty( $upload_dir['error'] ) ) {
			WP_CLI::warning( $upload_dir['error'] );
		}

		return true;
	}

	private function _multisite_convert( $assoc_args ) {
		global $wpdb;

		require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );

		$domain = self::get_clean_basedomain();
		if ( 'localhost' === $domain && ! empty( $assoc_args['subdomains'] ) ) {
			WP_CLI::error( "Multisite with subdomains cannot be configured when domain is 'localhost'." );
		}

		// need to register the multisite tables manually for some reason
		foreach ( $wpdb->tables( 'ms_global' ) as $table => $prefixed_table )
			$wpdb->$table = $prefixed_table;

		install_network();

		$result = populate_network(
			$assoc_args['site_id'],
			$domain,
			get_option( 'admin_email' ),
			$assoc_args['title'],
			$assoc_args['base'],
			$assoc_args['subdomains']
		);

		if ( true === $result ) {
			WP_CLI::log( 'Set up multisite database tables.' );
		} else if ( is_wp_error( $result ) ) {
			switch ( $result->get_error_code() ) {

			case 'siteid_exists':
				WP_CLI::log( $result->get_error_message() );
				return false;

			case 'no_wildcard_dns':
				WP_CLI::warning( __( 'Wildcard DNS may not be configured correctly.' ) );
				break;

			default:
				WP_CLI::error( $result );
			}
		}

		// delete_site_option() cleans the alloptions cache to prevent dupe option
		delete_site_option( 'upload_space_check_disabled' );
		update_site_option( 'upload_space_check_disabled', 1 );

		if ( !is_multisite() ) {
			$subdomain_export = Utils\get_flag_value( $assoc_args, 'subdomains' ) ? 'true' : 'false';
			$ms_config = <<<EOT
define( 'WP_ALLOW_MULTISITE', true );
define( 'MULTISITE', true );
define( 'SUBDOMAIN_INSTALL', {$subdomain_export} );
\$base = '{$assoc_args['base']}';
define( 'DOMAIN_CURRENT_SITE', '{$domain}' );
define( 'PATH_CURRENT_SITE', '{$assoc_args['base']}' );
define( 'SITE_ID_CURRENT_SITE', 1 );
define( 'BLOG_ID_CURRENT_SITE', 1 );
EOT;

			$wp_config_path = Utils\locate_wp_config();
			if ( is_writable( $wp_config_path ) ) {
				self::modify_wp_config( $ms_config );
				WP_CLI::log( 'Added multisite constants to wp-config.php.' );
			} else {
				WP_CLI::warning( 'Multisite constants could not be written to wp-config.php. You may need to add them manually:' );
				WP_CLI::log( $ms_config );
			}
		}

		return true;
	}

	// copied from populate_network()
	private static function create_initial_blog( $network_id, $blog_id, $domain, $path,
		$subdomain_install, $site_user ) {
		global $wpdb, $current_site, $wp_rewrite;

		$current_site = new stdClass;
		$current_site->domain = $domain;
		$current_site->path = $path;
		$current_site->site_name = ucfirst( $domain );
		$wpdb->insert( $wpdb->blogs, array(
			'site_id' => $network_id,
			'domain' => $domain,
			'path' => $path,
			'registered' => current_time( 'mysql' )
		) );
		$current_site->blog_id = $blog_id = $wpdb->insert_id;
		update_user_meta( $site_user->ID, 'source_domain', $domain );
		update_user_meta( $site_user->ID, 'primary_blog', $blog_id );

		if ( $subdomain_install )
			$wp_rewrite->set_permalink_structure( '/%year%/%monthnum%/%day%/%postname%/' );
		else
			$wp_rewrite->set_permalink_structure( '/blog/%year%/%monthnum%/%day%/%postname%/' );

		flush_rewrite_rules();
	}

	// copied from populate_network()
	private static function add_site_admins( $site_user ) {
		$site_admins = array( $site_user->user_login );
		$users = get_users( array( 'fields' => array( 'ID', 'user_login' ) ) );
		if ( $users ) {
			foreach ( $users as $user ) {
				if ( is_super_admin( $user->ID ) && !in_array( $user->user_login, $site_admins ) )
					$site_admins[] = $user->user_login;
			}
		}

		update_site_option( 'site_admins', $site_admins );
	}

	private static function modify_wp_config( $content ) {
		$wp_config_path = Utils\locate_wp_config();

		$token = "/* That's all, stop editing!";

		list( $before, $after ) = explode( $token, file_get_contents( $wp_config_path ) );

		file_put_contents( $wp_config_path, $before . $content . $token . $after );
	}

	private static function get_clean_basedomain() {
		$domain = preg_replace( '|https?://|', '', get_option( 'siteurl' ) );
		if ( $slash = strpos( $domain, '/' ) )
			$domain = substr( $domain, 0, $slash );
		return $domain;
	}

	/**
	 * Display the WordPress version.
	 *
	 * ## OPTIONS
	 *
	 * [--extra]
	 * : Show extended version information.
	 *
	 * @when before_wp_load
	 */
	public function version( $args = array(), $assoc_args = array() ) {
		$versions_path = ABSPATH . 'wp-includes/version.php';

		if ( !is_readable( $versions_path ) ) {
			WP_CLI::error(
				"This does not seem to be a WordPress install.\n" .
				"Pass --path=`path/to/wordpress` or run `wp core download`." );
		}

		include $versions_path;

		// @codingStandardsIgnoreStart
		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'extra' ) ) {
			if ( preg_match( '/(\d)(\d+)-/', $tinymce_version, $match ) ) {
				$human_readable_tiny_mce = $match[1] . '.' . $match[2];
			} else {
				$human_readable_tiny_mce = '';
			}

			echo \WP_CLI\Utils\mustache_render( 'versions.mustache', array(
				'wp-version' => $wp_version,
				'db-version' => $wp_db_version,
				'mce-version' => ( $human_readable_tiny_mce ?
					"$human_readable_tiny_mce ($tinymce_version)"
					: $tinymce_version
				)
			) );
		} else {
			WP_CLI::line( $wp_version );
		}
		// @codingStandardsIgnoreEnd
	}

	/**
	 * Security copy of the core function with Requests - Gets the checksums for the given version of WordPress.
	 *
	 * @param string $version Version string to query.
	 * @param string $locale  Locale to query.
	 * @return bool|array False on failure. An array of checksums on success.
	 */
	private static function get_core_checksums( $version, $locale ) {
		$url = 'https://api.wordpress.org/core/checksums/1.0/?' . http_build_query( compact( 'version', 'locale' ), null, '&' );

		$options = array(
			'timeout' => 30
		);

		$headers = array(
			'Accept' => 'application/json'
		);
		$response = Utils\http_request( 'GET', $url, null, $headers, $options );

		if ( ! $response->success || 200 != $response->status_code )
			return false;

		$body = trim( $response->body );
		$body = json_decode( $body, true );

		if ( ! is_array( $body ) || ! isset( $body['checksums'] ) || ! is_array( $body['checksums'] ) )
			return false;

		return $body['checksums'];
	}

	/**
	 * Verify WordPress files against WordPress.org's checksums.
	 *
	 * Specify version to verify checksums without loading WordPress.
	 *
	 * [--version=<version>]
	 * : Verify checksums against a specific version of WordPress.
	 *
	 * [--locale=<locale>]
	 * : Verify checksums against a specific locale of WordPress.
	 *
	 * @when before_wp_load
	 *
	 * @subcommand verify-checksums
	 */
	public function verify_checksums( $args, $assoc_args ) {
		global $wp_version, $wp_local_package;

		if ( ! empty( $assoc_args['version'] ) ) {
			$wp_version = $assoc_args['version'];
		}

		if ( ! empty( $assoc_args['locale'] ) ) {
			$wp_local_package = $assoc_args['locale'];
		}

		if ( empty( $wp_version ) ) {
			WP_CLI::get_runner()->load_wordpress();
		}

		$checksums = self::get_core_checksums( $wp_version, isset( $wp_local_package ) ? $wp_local_package : 'en_US' );

		if ( ! is_array( $checksums ) ) {
			WP_CLI::error( "Couldn't get checksums from WordPress.org." );
		}

		$has_errors = false;
		foreach ( $checksums as $file => $checksum ) {
			// Skip files which get updated
			if ( 'wp-content' == substr( $file, 0, 10 ) ) {
				continue;
			}

			if ( ! file_exists( ABSPATH . $file ) ) {
				WP_CLI::warning( "File doesn't exist: {$file}" );
				$has_errors = true;
				continue;
			}

			$md5_file = md5_file( ABSPATH . $file );
			if ( $md5_file !== $checksum ) {
				WP_CLI::warning( "File doesn't verify against checksum: {$file}" );
				$has_errors = true;
			}
		}

		if ( ! $has_errors ) {
			WP_CLI::success( "WordPress install verifies against checksums." );
		} else {
			WP_CLI::error( "WordPress install doesn't verify against checksums." );
		}
	}

	/**
	 * Update WordPress.
	 *
	 * ## OPTIONS
	 *
	 * [<zip>]
	 * : Path to zip file to use, instead of downloading from wordpress.org.
	 *
	 * [--minor]
	 * : Only perform updates for minor releases.
	 *
	 * [--version=<version>]
	 * : Update to a specific version, instead of to the latest version.
	 *
	 * [--force]
	 * : Update even when installed WP version is greater than the requested version.
     *
     * [--locale=<locale>]
     * : Select which language you want to download.
	 *
	 * ## EXAMPLES
	 *
	 *     wp core update
	 *
	 *     wp core update --version=3.8 ../latest.zip
	 *
	 *     wp core update --version=3.1 --force
	 *
	 * @alias upgrade
	 */
	function update( $args, $assoc_args ) {
		global $wp_version;

		$update = $from_api = null;
		$upgrader = 'WP_CLI\\CoreUpgrader';

		if ( empty( $args[0] ) && empty( $assoc_args['version'] ) && \WP_CLI\Utils\get_flag_value( $assoc_args, 'minor' ) ) {
			$updates = $this->get_updates( array( 'minor' => true ) );
			if ( ! empty( $updates ) ) {
				$assoc_args['version'] = $updates[0]['version'];
			} else {
				WP_CLI::success( 'WordPress is at the latest minor release.' );
				return;
			}
		}

		if ( ! empty( $args[0] ) ) {

			$upgrader = 'WP_CLI\\NonDestructiveCoreUpgrader';
			$version = \WP_CLI\Utils\get_flag_value( $assoc_args, 'version' );

			$update = (object) array(
				'response'      => 'upgrade',
				'current'       => $version,
				'download'      => $args[0],
				'packages'      => (object) array (
									'partial' => null,
									'new_bundled' => null,
									'no_content' => null,
									'full' => $args[0],
								),
				'version' => $version,
				'locale' => null
			);

		} else if ( empty( $assoc_args['version'] ) ) {

			wp_version_check();
			$from_api = get_site_transient( 'update_core' );

			if ( ! empty( $from_api->updates ) ) {
				list( $update ) = $from_api->updates;
			}

		} else if (	\WP_CLI\Utils\wp_version_compare( $assoc_args['version'], '<' )
					|| \WP_CLI\Utils\get_flag_value( $assoc_args, 'force' ) ) {

			$version = $assoc_args['version'];
			$locale = \WP_CLI\Utils\get_flag_value( $assoc_args, 'locale', get_locale() );

			$new_package = $this->get_download_url($version, $locale);

			$update = (object) array(
				'response' => 'upgrade',
				'current' => $assoc_args['version'],
				'download' => $new_package,
				'packages' => (object) array (
					'partial' => null,
					'new_bundled' => null,
					'no_content' => null,
					'full' => $new_package,
				),
				'version' => $version,
				'locale' => $locale
			);

		}

		if ( ! empty( $update ) && ( $update->version != $wp_version || \WP_CLI\Utils\get_flag_value( $assoc_args, 'force' ) ) ) {

			require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );

			if ( $update->version ) {
				WP_CLI::log( "Updating to version {$update->version} ({$update->locale})..." );
			} else {
				WP_CLI::log( "Starting update..." );
			}

			$GLOBALS['wp_cli_update_obj'] = $update;
			$result = Utils\get_upgrader( $upgrader )->upgrade( $update );
			unset( $GLOBALS['wp_cli_update_obj'] );

			if ( is_wp_error($result) ) {
				$msg = WP_CLI::error_to_string( $result );
				if ( 'up_to_date' != $result->get_error_code() ) {
					WP_CLI::error( $msg );
				} else {
					WP_CLI::success( $msg );
				}
			} else {
				WP_CLI::success( 'WordPress updated successfully.' );
			}

		} else {
			WP_CLI::success( 'WordPress is up to date.' );
		}
	}

	/**
	 * Update the WordPress database.
	 *
	 * [--network]
	 * : Update databases for all sites on a network
	 *
	 * [--dry-run]
	 * : Compare database versions without performing the update.
	 *
	 * @subcommand update-db
	 */
	function update_db( $_, $assoc_args ) {
		global $wpdb, $wp_db_version, $wp_current_db_version;

		$network = Utils\get_flag_value( $assoc_args, 'network' );
		if ( $network && ! is_multisite() ) {
			WP_CLI::error( 'This is not a multisite install.' );
		}

		$dry_run = Utils\get_flag_value( $assoc_args, 'dry-run' );
		if ( $dry_run ) {
			WP_CLI::log( 'Performing a dry run, with no database modification.' );
		}

		if ( $network ) {
			$iterator_args = array(
				'table' => $wpdb->blogs,
				'where' => array( 'spam' => 0, 'deleted' => 0, 'archived' => 0 ),
			);
			$it = new \WP_CLI\Iterators\Table( $iterator_args );
			$success = $total = 0;
			foreach( $it as $blog ) {
				$total++;
				$url = $blog->domain . $blog->path;
				$process = WP_CLI::launch_self( 'core update-db', array(), array(), false, true, array( 'url' => $url, 'dry-run' => $dry_run ) );
				if ( 0 == $process->return_code ) {
					// See if we can parse the stdout
					if ( preg_match( '#Success: (.+)#', $process->stdout, $matches ) ) {
						$message = "{$matches[1]} on {$url}";
					} else {
						$message = "Database upgraded successfully on {$url}";
					}
					WP_CLI::log( $message );
					$success++;
				} else {
					WP_CLI::warning( "Database failed to upgrade on {$url}" );
				}
			}
			if ( ! $dry_run && $total && $success == $total ) {
				update_site_option( 'wpmu_upgrade_site', $wp_db_version );
			}
			WP_CLI::success( sprintf( 'WordPress database upgraded on %d/%d sites', $success, $total ) );
		} else {
			require_once( ABSPATH . 'wp-admin/includes/upgrade.php' );
			$wp_current_db_version = __get_option( 'db_version' );
			if ( $wp_db_version != $wp_current_db_version ) {
				if ( ! $dry_run ) {
					wp_upgrade();
				}
				WP_CLI::success( "WordPress database upgraded successfully from db version {$wp_current_db_version} to {$wp_db_version}" );
			} else {
				WP_CLI::success( "WordPress database already at latest db version {$wp_db_version}" );
			}
		}
	}

	/**
	 * Gets download url based on version, locale and desired file type.
	 *
	 * @param $version
	 * @param string $locale
	 * @param string $file_type
	 * @return string
	 */
	private function get_download_url($version, $locale = 'en_US', $file_type = 'zip')
	{
		if ('en_US' === $locale) {
			$url = 'https://wordpress.org/wordpress-' . $version . '.' . $file_type;

			return $url;
		} else {
			$url = sprintf(
				'https://%s.wordpress.org/wordpress-%s-%s.' . $file_type,
				substr($locale, 0, 2),
				$version,
				$locale
			);

			return $url;
		}
	}

	/**
	 * Returns update information
	 */
	private function get_updates( $assoc_args ) {
		global $wp_version;
		$versions_path = ABSPATH . 'wp-includes/version.php';
		include $versions_path;

		$url = 'https://api.wordpress.org/core/stable-check/1.0/';

		$options = array(
			'timeout' => 30
		);
		$headers = array(
			'Accept' => 'application/json'
		);
		$response = Utils\http_request( 'GET', $url, $headers, $options );

		if ( ! $response->success || 200 !== $response->status_code ) {
			WP_CLI::error( "Failed to get latest version list." );
		}

		$release_data = json_decode( $response->body );
		$release_versions = array_keys( (array) $release_data );
		usort( $release_versions, function( $a, $b ){
			return 1 === version_compare( $a, $b );
		});

		$locale = get_locale();
		$compare_version = str_replace( '-src', '', $GLOBALS['wp_version'] );

		$updates = array(
			'major'      => false,
			'minor'      => false,
			);
		foreach ( $release_versions as $release_version ) {

			$update_type = Utils\get_named_sem_ver( $release_version, $compare_version );
			if ( ! $update_type ) {
				continue;
			}

			// WordPress follow its own versioning which is roughly equivalent to semver
			if ( 'minor' === $update_type ) {
				$update_type = 'major';
			} else if ( 'patch' === $update_type ) {
				$update_type = 'minor';
			}

			if ( ! empty( $updates[ $update_type ] ) && ! Comparator::greaterThan( $release_version, $updates[ $update_type ]['version'] ) ) {
				continue;
			}

			$updates[ $update_type ] = array(
				'version'     => $release_version,
				'update_type' => $update_type,
				'package_url' => $this->get_download_url( $release_version, $locale )
			);
		}

		foreach( $updates as $type => $value ) {
			if ( empty( $value ) ) {
				unset( $updates[ $type ] );
			}
		}

		foreach( array( 'major', 'minor' ) as $type ) {
			if ( true === \WP_CLI\Utils\get_flag_value( $assoc_args, $type ) ) {
				return ! empty( $updates[ $type ] ) ? array( $updates[ $type ] ) : false;
			}
		}
		return array_values( $updates );
	}

}

WP_CLI::add_command( 'core', 'Core_Command' );

class Core_Language_Command extends WP_CLI\CommandWithTranslation {

	protected $obj_type = 'core';

}

WP_CLI::add_command( 'core language', 'Core_Language_Command', array(
	'before_invoke' => function() {
		if ( \WP_CLI\Utils\wp_version_compare( '4.0', '<' ) ) {
			WP_CLI::error( "Requires WordPress 4.0 or greater." );
		}
	})
);
<?php

/**
 * Manage WP-Cron events.
 *
 */
class Cron_Event_Command extends WP_CLI_Command {

	private $fields = array(
		'hook',
		'next_run_gmt',
		'next_run_relative',
		'recurrence',
	);
	private static $time_format = 'Y-m-d H:i:s';

	/**
	 * List scheduled cron events.
	 *
	 * ## OPTIONS
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific object fields.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, json, csv, ids. Default: table.
	 *
	 * ## AVAILABLE FIELDS
	 *
	 * These fields will be displayed by default for each cron event:
	 * * hook
	 * * next_run_gmt
	 * * next_run_relative
	 * * recurrence
	 *
	 * These fields are optionally available:
	 * * time
	 * * sig
	 * * args
	 * * schedule
	 * * interval
	 * * next_run
	 *
	 * ## EXAMPLES
	 *
	 *     wp cron event list
	 *
	 *     wp cron event list --fields=hook,next_run --format=json
	 *
	 * @subcommand list
	 */
	public function list_( $args, $assoc_args ) {
		$formatter = $this->get_formatter( $assoc_args );

		$events = self::get_cron_events();

		if ( is_wp_error( $events ) ) {
			$events = array();
		}

		if ( 'ids' == $formatter->format ) {
			echo implode( ' ', wp_list_pluck( $events, 'hook' ) );
		} else {
			$formatter->display_items( $events );
		}

	}

	/**
	 * Schedule a new cron event.
	 *
	 * ## OPTIONS
	 *
	 * <hook>
	 * : The hook name
	 *
	 * [<next-run>]
	 * : A Unix timestamp or an English textual datetime description compatible with `strtotime()`. Defaults to now.
	 *
	 * [<recurrence>]
	 * : How often the event should recur. See `wp cron schedule list` for available schedule names. Defaults to no recurrence.
	 *
	 * [--<field>=<value>]
	 * : Associative args for the event.
	 *
	 * ## EXAMPLES
	 *
	 *     wp cron event schedule cron_test
	 *
	 *     wp cron event schedule cron_test now hourly
	 *
	 *     wp cron event schedule cron_test '+1 hour' --foo=1 --bar=2
	 */
	public function schedule( $args, $assoc_args ) {

		$hook = $args[0];
		$next_run = \WP_CLI\Utils\get_flag_value( $args, 1, 'now' );
		$recurrence = \WP_CLI\Utils\get_flag_value( $args, 2, false );

		if ( empty( $next_run ) ) {
			$timestamp = time();
		} else if ( is_numeric( $next_run ) ) {
			$timestamp = absint( $next_run );
		} else {
			$timestamp = strtotime( $next_run );
		}

		if ( ! $timestamp ) {
			WP_CLI::error( sprintf( "'%s' is not a valid datetime.", $next_run ) );
		}

		if ( ! empty( $recurrence ) ) {

			$schedules = wp_get_schedules();

			if ( ! isset( $schedules[$recurrence] ) ) {
				WP_CLI::error( sprintf( "'%s' is not a valid schedule name for recurrence.", $recurrence ) );
			}

			$event = wp_schedule_event( $timestamp, $recurrence, $hook, $assoc_args );

		} else {

			$event = wp_schedule_single_event( $timestamp, $hook, $assoc_args );

		}

		if ( false !== $event ) {
			WP_CLI::success( sprintf( "Scheduled event with hook '%s' for %s GMT.", $hook, date( self::$time_format, $timestamp ) ) );
		} else {
			WP_CLI::error( 'Event not scheduled' );
		}

	}

	/**
	 * Run the next scheduled cron event for the given hook.
	 *
	 * ## OPTIONS
	 *
	 * [<hook>...]
	 * : One or more hooks to run.
	 *
	 * [--all]
	 * : Run all hooks.
	 */
	public function run( $args, $assoc_args ) {

		if ( empty( $args ) && ! \WP_CLI\Utils\get_flag_value( $assoc_args, 'all' ) ) {
			WP_CLI::error( 'Please specify one or more cron events, or use --all.' );
		}

		$events = self::get_cron_events();

		if ( is_wp_error( $events ) ) {
			WP_CLI::error( $events );
		}


		if ( ! \WP_CLI\Utils\get_flag_value( $assoc_args, 'all' ) ) {
			$hooks = wp_list_pluck( $events, 'hook' );
			foreach( $args as $hook ) {
				if ( ! in_array( $hook, $hooks ) ) {
					WP_CLI::error( sprintf( "Invalid cron event '%s'", $hook ) );
				}
			}
		}

		$executed = 0;
		foreach ( $events as $event ) {
			if ( in_array( $event->hook, $args ) || \WP_CLI\Utils\get_flag_value( $assoc_args, 'all' ) ) {
				$result = self::run_event( $event );
				if ( $result ) {
					$executed++;
					WP_CLI::log( sprintf( "Executed the cron event '%s'.", $event->hook ) );
				} else {
					WP_CLI::warning( sprintf( "Failed to the execute the cron event '%s'.", $event->hook ) );
				}
			}
		}

		$message = 'Executed a total of %d cron event(s).';
		WP_CLI::success( sprintf( $message, $executed ) );
	}

	/**
	 * Executes an event immediately.
	 *
	 * @param stdClass $event The event
	 * @return bool Whether the event was successfully executed or not.
	 */
	protected static function run_event( stdClass $event ) {

		if ( ! defined( 'DOING_CRON' ) ) {
			define( 'DOING_CRON', true );
		}

		if ( $event->schedule != false ) {
			$new_args = array( $event->time, $event->schedule, $event->hook, $event->args );
			call_user_func_array( 'wp_reschedule_event', $new_args );
		}

		wp_unschedule_event( $event->time, $event->hook, $event->args );

		do_action_ref_array( $event->hook, $event->args );

		return true;

	}

	/**
	 * Delete the next scheduled cron event for the given hook.
	 *
	 * ## OPTIONS
	 *
	 * <hook>
	 * : The hook name
	 */
	public function delete( $args, $assoc_args ) {

		$hook   = $args[0];
		$events = self::get_cron_events();

		if ( is_wp_error( $events ) ) {
			WP_CLI::error( $events );
		}

		$deleted = 0;
		foreach ( $events as $event ) {
			if ( $event->hook == $hook ) {
				$result = self::delete_event( $event );
				if ( $result ) {
					$deleted++;
				} else {
					WP_CLI::warning( sprintf( "Failed to the delete the cron event '%s'", $hook ) );
				}
			}
		}

		if ( $deleted ) {
			$message = ( 1 == $deleted ) ? "Deleted the cron event '%2\$s'" : "Deleted %1\$d instances of the cron event '%2\$s'";
			WP_CLI::success( sprintf( $message, $deleted, $hook ) );
		} else {
			WP_CLI::error( sprintf( "Invalid cron event '%s'", $hook ) );
		}

	}

	/**
	 * Deletes a cron event.
	 *
	 * @param stdClass $event The event
	 * @return bool Whether the event was successfully deleted or not.
	 */
	protected static function delete_event( stdClass $event ) {
		$crons = _get_cron_array();

		if ( ! isset( $crons[$event->time][$event->hook][$event->sig] ) ) {
			return false;
		}

		wp_unschedule_event( $event->time, $event->hook, $event->args );
		return true;
	}

	/**
	 * Callback function to format a cron event.
	 *
	 * @param stdClass $event The event.
	 * @return stdClass The formatted event object.
	 */
	protected static function format_event( stdClass $event ) {

		$event->next_run          = get_date_from_gmt( date( 'Y-m-d H:i:s', $event->time ), self::$time_format );
		$event->next_run_gmt      = date( self::$time_format, $event->time );
		$event->next_run_relative = self::interval( $event->time - time() );
		$event->recurrence        = ( $event->schedule ) ? self::interval( $event->interval ) : 'Non-repeating';

		return $event;
	}

	/**
	 * Fetch an array of scheduled cron events.
	 *
	 * @return array|WP_Error An array of event objects, or a WP_Error object if there are no events scheduled.
	 */
	protected static function get_cron_events() {

		$crons  = _get_cron_array();
		$events = array();

		if ( empty( $crons ) ) {
			return new WP_Error(
				'no_events',
				'You currently have no scheduled cron events.'
			);
		}

		foreach ( $crons as $time => $hooks ) {
			foreach ( $hooks as $hook => $hook_events ) {
				foreach ( $hook_events as $sig => $data ) {

					$events["$hook-$sig"] = (object) array(
						'hook'     => $hook,
						'time'     => $time,
						'sig'      => $sig,
						'args'     => $data['args'],
						'schedule' => $data['schedule'],
						'interval' => \WP_CLI\Utils\get_flag_value( $data, 'interval' ),
					);

				}
			}
		}

		$events = array_map( 'Cron_Event_Command::format_event', $events );

		return $events;

	}

	/**
	 * Convert a time interval into human-readable format.
	 *
	 * Similar to WordPress' built-in `human_time_diff()` but returns two time period chunks instead of just one.
	 *
	 * @param int $since An interval of time in seconds
	 * @return string The interval in human readable format
	 */
	private static function interval( $since ) {
		if ( $since <= 0 ) {
			return 'now';
		}

		$since = absint( $since );

		// array of time period chunks
		$chunks = array(
			array( 60 * 60 * 24 * 365 , \_n_noop( '%s year', '%s years' ) ),
			array( 60 * 60 * 24 * 30 , \_n_noop( '%s month', '%s months' ) ),
			array( 60 * 60 * 24 * 7, \_n_noop( '%s week', '%s weeks' ) ),
			array( 60 * 60 * 24 , \_n_noop( '%s day', '%s days' ) ),
			array( 60 * 60 , \_n_noop( '%s hour', '%s hours' ) ),
			array( 60 , \_n_noop( '%s minute', '%s minutes' ) ),
			array(  1 , \_n_noop( '%s second', '%s seconds' ) ),
		);

		// we only want to output two chunks of time here, eg:
		// x years, xx months
		// x days, xx hours
		// so there's only two bits of calculation below:

		// step one: the first chunk
		for ( $i = 0, $j = count( $chunks ); $i < $j; $i++ ) {
			$seconds = $chunks[$i][0];
			$name = $chunks[$i][1];

			// finding the biggest chunk (if the chunk fits, break)
			if ( ( $count = floor( $since / $seconds ) ) != 0 ){
				break;
			}
		}

		// set output var
		$output = sprintf( \_n( $name[0], $name[1], $count ), $count );

		// step two: the second chunk
		if ( $i + 1 < $j ) {
			$seconds2 = $chunks[$i + 1][0];
			$name2    = $chunks[$i + 1][1];

			if ( ( $count2 = floor( ( $since - ( $seconds * $count ) ) / $seconds2 ) ) != 0 ) {
				// add to output var
				$output .= ' ' . sprintf( \_n( $name2[0], $name2[1], $count2 ), $count2 );
			}
		}

		return $output;
	}

	private function get_formatter( &$assoc_args ) {
		return new \WP_CLI\Formatter( $assoc_args, $this->fields, 'event' );
	}

}

/**
 * Manage WP-Cron schedules.
 */
class Cron_Schedule_Command extends WP_CLI_Command {

	private $fields = array(
		'name',
		'display',
		'interval',
	);

	/**
	 * List available cron schedules.
	 *
	 * ## OPTIONS
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific object fields.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, json, csv, ids. Default: table.
	 *
	 * ## AVAILABLE FIELDS
	 *
	 * These fields will be displayed by default for each cron schedule:
	 *
	 * * name
	 * * display
	 * * interval
	 *
	 * There are no additional fields.
	 *
	 * ## EXAMPLES
	 *
	 *     wp cron schedule list
	 *
	 *     wp cron schedule list --fields=name --format=ids
	 *
	 * @subcommand list
	 */
	public function list_( $args, $assoc_args ) {
		$formatter = $this->get_formatter( $assoc_args );

		$schedules = self::get_schedules();

		if ( 'ids' == $formatter->format ) {
			echo implode( ' ', wp_list_pluck( $schedules, 'name' ) );
		} else {
			$formatter->display_items( $schedules );
		}

	}

	/**
	 * Callback function to format a cron schedule.
	 *
	 * @param array $schedule The schedule.
	 * @param string $name The schedule name.
	 * @return array The formatted schedule.
	 */
	protected static function format_schedule( array $schedule, $name ) {
		$schedule['name'] = $name;
		return $schedule;
	}

	/**
	* Return a list of the cron schedules sorted according to interval.
	*
	* @return array The array of cron schedules. Each schedule is itself an array.
	*/
	protected static function get_schedules() {
		$schedules = wp_get_schedules();
		if ( !empty( $schedules ) ) {
			uasort( $schedules, 'Cron_Schedule_Command::sort' );
			$schedules = array_map( 'Cron_Schedule_Command::format_schedule', $schedules, array_keys( $schedules ) );
		}
		return $schedules;
	}

	/**
	 * Callback function to sort the cron schedule array by interval.
	 *
	 */
	protected static function sort( array $a, array $b ) {
		return $a['interval'] - $b['interval'];
	}

	private function get_formatter( &$assoc_args ) {
		return new \WP_CLI\Formatter( $assoc_args, $this->fields, 'schedule' );
	}

}

/**
 * Manage WP-Cron events and schedules.
 */
class Cron_Command extends WP_CLI_Command {

	/**
	 * Test the WP Cron spawning system and report back its status.
	 */
	public function test() {

		if ( defined( 'DISABLE_WP_CRON' ) && DISABLE_WP_CRON ) {
			WP_CLI::error( 'The DISABLE_WP_CRON constant is set to true. WP-Cron spawning is disabled.' );
		}

		if ( defined( 'ALTERNATE_WP_CRON' ) && ALTERNATE_WP_CRON ) {
			WP_CLI::warning( 'The ALTERNATE_WP_CRON constant is set to true. WP-Cron spawning is not asynchronous.' );
		}

		$spawn = self::get_cron_spawn();

		if ( is_wp_error( $spawn ) ) {
			WP_CLI::error( sprintf( 'WP-Cron spawn failed with error: %s', $spawn->get_error_message() ) );
		}

		$code    = wp_remote_retrieve_response_code( $spawn );
		$message = wp_remote_retrieve_response_message( $spawn );

		if ( 200 === $code ) {
			WP_CLI::success( 'WP-Cron spawning is working as expected.' );
		} else {
			WP_CLI::warning( sprintf( 'WP-Cron spawn succeeded but returned HTTP status code: %1$s %2$s', $code, $message ) );
		}

	}

	/**
	 * Spawn a request to `wp-cron.php` and return the response.
	 *
	 * This function is designed to mimic the functionality in `spawn_cron()` with the addition of returning
	 * the result of the `wp_remote_post()` request.
	 *
	 * @return WP_Error|array The response or WP_Error on failure.
	 */
	protected static function get_cron_spawn() {

		$sslverify     = \WP_CLI\Utils\wp_version_compare( 4.0, '<' );
		$doing_wp_cron = sprintf( '%.22F', microtime( true ) );

		$cron_request = apply_filters( 'cron_request', array(
			'url'  => site_url( 'wp-cron.php?doing_wp_cron=' . $doing_wp_cron ),
			'key'  => $doing_wp_cron,
			'args' => array(
				'timeout'   => 3,
				'blocking'  => true,
				'sslverify' => apply_filters( 'https_local_ssl_verify', $sslverify )
			)
		) );

		# Enforce a blocking request in case something that's hooked onto the 'cron_request' filter sets it to false
		$cron_request['args']['blocking'] = true;

		$result = wp_remote_post( $cron_request['url'], $cron_request['args'] );

		return $result;

	}

}

WP_CLI::add_command( 'cron',          'Cron_Command' );
WP_CLI::add_command( 'cron event',    'Cron_Event_Command' );
WP_CLI::add_command( 'cron schedule', 'Cron_Schedule_Command' );
<?php

use \WP_CLI\Utils;

/**
 * Perform basic database operations.
 */
class DB_Command extends WP_CLI_Command {

	/**
	 * Create the database, as specified in wp-config.php
	 */
	function create( $_, $assoc_args ) {

		self::run_query( self::get_create_query() );

		WP_CLI::success( "Database created." );
	}

	/**
	 * Delete the database.
	 *
	 * ## OPTIONS
	 *
	 * [--yes]
	 * : Answer yes to the confirmation message.
	 */
	function drop( $_, $assoc_args ) {
		WP_CLI::confirm( "Are you sure you want to drop the database?", $assoc_args );

		self::run_query( sprintf( 'DROP DATABASE `%s`', DB_NAME ) );

		WP_CLI::success( "Database dropped." );
	}

	/**
	 * Remove all tables from the database.
	 *
	 * ## OPTIONS
	 *
	 * [--yes]
	 * : Answer yes to the confirmation message.
	 */
	function reset( $_, $assoc_args ) {
		WP_CLI::confirm( "Are you sure you want to reset the database?", $assoc_args );

		self::run_query( sprintf( 'DROP DATABASE IF EXISTS `%s`', DB_NAME ) );
		self::run_query( self::get_create_query() );

		WP_CLI::success( "Database reset." );
	}

	/**
	 * Optimize the database.
	 */
	function optimize() {
		self::run( Utils\esc_cmd( 'mysqlcheck --no-defaults %s', DB_NAME ), array(
			'optimize' => true,
		) );

		WP_CLI::success( "Database optimized." );
	}

	/**
	 * Repair the database.
	 */
	function repair() {
		self::run( Utils\esc_cmd( 'mysqlcheck --no-defaults %s', DB_NAME ), array(
			'repair' => true,
		) );

		WP_CLI::success( "Database repaired." );
	}

	/**
	 * Open a mysql console using the WordPress credentials.
	 *
	 * @alias connect
	 */
	function cli() {
		self::run( 'mysql --no-defaults --no-auto-rehash', array(
			'database' => DB_NAME
		) );
	}

	/**
	 * Execute a query against the database.
	 *
	 * ## OPTIONS
	 *
	 * [<sql>]
	 * : A SQL query. If not passed, will try to read from STDIN.
	 *
	 * ## EXAMPLES
	 *
	 *     # execute a query stored in a file
	 *     wp db query < debug.sql
	 *
	 *     # check all tables in the database
	 *     wp db query "CHECK TABLE $(wp db tables | paste -s -d',');"
	 */
	function query( $args ) {
		$assoc_args = array(
			'database' => DB_NAME
		);

		// The query might come from STDIN
		if ( !empty( $args ) ) {
			$assoc_args['execute'] = $args[0];
		}

		self::run( 'mysql --no-defaults --no-auto-rehash', $assoc_args );
	}

	/**
	 * Exports the database to a file or to STDOUT.
	 *
	 * ## OPTIONS
	 *
	 * [<file>]
	 * : The name of the SQL file to export. If '-', then outputs to STDOUT. If omitted, it will be '{dbname}.sql'.
	 *
	 * [--<field>=<value>]
	 * : Extra arguments to pass to mysqldump
	 *
	 * [--tables=<tables>]
	 * : The comma separated list of specific tables to export. Excluding this parameter will export all tables in the database.
	 *
	 * ## EXAMPLES
	 *
	 *     wp db export --add-drop-table
	 *     wp db export --tables=wp_options,wp_users
	 *
	 *     # Export all tables matching a wildcard
	 *     wp db export --tables=$(wp db tables 'wp_user*' --format=csv)
	 *
	 *     # Export all tables matching prefix
	 *     wp db export --tables=$(wp db tables --all-tables-with-prefix --format=csv)
	 *
	 * @alias dump
	 */
	function export( $args, $assoc_args ) {
		$result_file = $this->get_file_name( $args );
		$stdout = ( '-' === $result_file );

		if ( ! $stdout ) {
			$assoc_args['result-file'] = $result_file;
		}

		$command = 'mysqldump --no-defaults %s';
		$command_esc_args = array( DB_NAME );

		if ( isset( $assoc_args['tables'] ) ) {
			$tables = explode( ',', trim( $assoc_args['tables'], ',' ) );
			unset( $assoc_args['tables'] );
			$command .= ' --tables';
			foreach ( $tables as $table ) {
				$command .= ' %s';
				$command_esc_args[] = trim( $table );
			}
		}

		$escaped_command = call_user_func_array( '\WP_CLI\Utils\esc_cmd', array_merge( array( $command ), $command_esc_args ) );

		self::run( $escaped_command, $assoc_args );

		if ( ! $stdout ) {
			WP_CLI::success( sprintf( 'Exported to %s', $result_file ) );
		}
	}

	/**
	 * Import database from a file or from STDIN.
	 *
	 * ## OPTIONS
	 *
	 * [<file>]
	 * : The name of the SQL file to import. If '-', then reads from STDIN. If omitted, it will look for '{dbname}.sql'.
	 */
	function import( $args, $assoc_args ) {
		$result_file = $this->get_file_name( $args );

		if ( '-' === $result_file ) {
			$descriptors = array(
				STDIN,
				STDOUT,
				STDERR,
			);
		} else {
			if ( ! file_exists( $result_file ) ) {
				WP_CLI::error( sprintf( 'Import file missing: %s', $result_file ) );
			}

			$descriptors = array(
				array( 'file', $result_file, 'r' ),
				STDOUT,
				STDERR,
			);
		}

		self::run( 'mysql --no-defaults --no-auto-rehash', array(
			'database' => DB_NAME
		), $descriptors );

		WP_CLI::success( sprintf( 'Imported from %s', $result_file ) );
	}

	/**
	 * List the database tables.
	 *
	 * Defaults to all tables registered to $wpdb.
	 *
	 * ## OPTIONS
	 *
	 * [<table>...]
	 * : List tables based on wildcard search, e.g. 'wp_*_options' or 'wp_post?'.
	 *
	 * [--scope=<scope>]
	 * : Can be all, global, ms_global, blog, or old tables. Defaults to all.
	 *
	 * [--network]
	 * : List all the tables in a multisite install. Overrides --scope=<scope>.
	 *
	 * [--all-tables-with-prefix]
	 * : List all tables that match the table prefix even if not registered on $wpdb. Overrides --network.
	 *
	 * [--all-tables]
	 * : List all tables in the database, regardless of the prefix, and even if not registered on $wpdb. Overrides --all-tables-with-prefix.
	 *
	 * [--format=<format>]
	 * : Accepted values: list, csv. Default: list
	 *
	 * ## EXAMPLES
	 *
	 *     # Export only tables for a single site
	 *     wp db export --tables=$(wp db tables --url=sub.example.com --format=csv)
	 *
	 *     # Export all tables matching prefix
	 *     wp db export --tables=$(wp db tables --all-tables-with-prefix --format=csv)
	 */
	function tables( $args, $assoc_args ) {

		if ( empty( $args ) && empty( $assoc_args ) ) {
			$assoc_args['scope'] = 'all';
		}

		$tables = WP_CLI\Utils\wp_get_table_names( $args, $assoc_args );

		if ( ! empty( $assoc_args['format'] ) && 'csv' === $assoc_args['format'] ) {
			WP_CLI::line( implode( ',', $tables ) );
		} else {
			foreach ( $tables as $table ) {
				WP_CLI::line( $table );
			}
		}
	}

	private function get_file_name( $args ) {
		if ( empty( $args ) )
			return sprintf( '%s.sql', DB_NAME );

		return $args[0];
	}

	private static function get_create_query() {

		$create_query = sprintf( 'CREATE DATABASE `%s`', DB_NAME );
		if ( defined( 'DB_CHARSET' ) && constant( 'DB_CHARSET' ) ) {
			$create_query .= sprintf( ' DEFAULT CHARSET `%s`', constant( 'DB_CHARSET' ) );
		}
		if ( defined( 'DB_COLLATE' ) && constant( 'DB_COLLATE' ) ) {
			$create_query .= sprintf( ' DEFAULT COLLATE `%s`', constant( 'DB_COLLATE' ) );
		}
		return $create_query;
	}

	private static function run_query( $query ) {
		self::run( 'mysql --no-defaults --no-auto-rehash', array( 'execute' => $query ) );
	}

	private static function run( $cmd, $assoc_args = array(), $descriptors = null ) {
		$required = array(
			'host' => DB_HOST,
			'user' => DB_USER,
			'pass' => DB_PASSWORD,
		);

		if ( defined( 'DB_CHARSET' ) && constant( 'DB_CHARSET' ) ) {
			$required['default-character-set'] = constant( 'DB_CHARSET' );
		}

		$final_args = array_merge( $assoc_args, $required );

		Utils\run_mysql_command( $cmd, $final_args, $descriptors );
	}
}

WP_CLI::add_command( 'db', 'DB_Command' );

<?php

class EvalFile_Command extends WP_CLI_Command {

	/**
	 * Load and execute a PHP file.
	 *
	 * ## OPTIONS
	 *
	 * <file>
	 * : The path to the PHP file to execute.
	 *
	 * [<arg>...]
	 * : One or more arguments to pass to the file. They are placed in the $args variable.
	 *
	 * [--skip-wordpress]
	 * : Load and execute file without loading WordPress.
	 *
	 * @when before_wp_load
	 *
	 * ## EXAMPLES
	 *
	 *     wp eval-file my-code.php value1 value2
	 */
	public function __invoke( $args, $assoc_args ) {
		$file = array_shift( $args );

		if ( !file_exists( $file ) ) {
			WP_CLI::error( "'$file' does not exist." );
		}

		if ( null === \WP_CLI\Utils\get_flag_value( $assoc_args, 'skip-wordpress' ) ) {
			WP_CLI::get_runner()->load_wordpress();
		}

		self::_eval( $file, $args );
	}

	private static function _eval( $file, $args ) {
		include( $file );
	}
}

WP_CLI::add_command( 'eval-file', 'EvalFile_Command' );

<?php

class Eval_Command extends WP_CLI_Command {

	/**
	 * Execute arbitrary PHP code.
	 *
	 * <php-code>
	 * : The code to execute, as a string.
	 *
	 * [--skip-wordpress]
	 * : Execute code without loading WordPress.
	 *
	 * @when before_wp_load
	 *
	 * ## EXAMPLES
	 *
	 *     wp eval 'echo WP_CONTENT_DIR;'
	 */
	public function __invoke( $args, $assoc_args ) {

		if ( null === \WP_CLI\Utils\get_flag_value( $assoc_args, 'skip-wordpress' ) ) {
			WP_CLI::get_runner()->load_wordpress();
		}

		eval( $args[0] );
	}
}

WP_CLI::add_command( 'eval', 'Eval_Command' );

<?php

class Export_Command extends WP_CLI_Command {

	/**
	* Initialize the array of arguments that will be eventually be passed to export_wp
	* @var array
	*/
	public $export_args = array();

	/**
	 * Export content to a WXR file.
	 *
	 * ## OPTIONS
	 *
	 * [--dir=<dirname>]
	 * : Full path to directory where WXR export files should be stored. Defaults
	 * to current working directory.
	 *
	 * [--skip_comments]
	 * : Don't export comments.
	 *
	 * [--max_file_size=<MB>]
	 * : A single export file should have this many megabytes.
	 *
	 * ## FILTERS
	 *
	 * [--start_date=<date>]
	 * : Export only posts published after this date, in format YYYY-MM-DD.
	 *
	 * [--end_date=<date>]
	 * : Export only posts published before this date, in format YYYY-MM-DD.
	 *
	 * [--post_type=<post-type>]
	 * : Export only posts with this post_type. Separate multiple post types with a
	 * comma. Defaults to all.
	 *
	 * [--post_type__not_in=<post-type>]
	 * : Export all post types except those identified. Seperate multiple post types
	 * with a comma. Defaults to none.
	 *
	 * [--post__in=<pid>]
	 * : Export all posts specified as a comma- or space-separated list of IDs.
	 *
	 * [--start_id=<pid>]
	 * : Export only posts with IDs greater than or equal to this post ID.
	 *
	 * [--author=<author>]
	 * : Export only posts by this author. Can be either user login or user ID.
	 *
	 * [--category=<name>]
	 * : Export only posts in this category.
	 *
	 * [--post_status=<status>]
	 * : Export only posts with this status.
	 *
	 * [--filename_format=<format>]
	 * : Use a custom format for export filenames. Defaults to '{site}.wordpress.{date}.{n}.xml'.
	 *
	 * ## EXAMPLES
	 *
	 *     wp export --dir=/tmp/ --user=admin --post_type=post --start_date=2011-01-01 --end_date=2011-12-31
	 *
	 *     wp export --dir=/tmp/ --post__in=123,124,125
	 *
	 *     # Export a random subset of content
	 *     wp export --post__in=$(wp post list --post_type=post --orderby=rand --posts_per_page=8 --format=ids)
	 */
	public function __invoke( $_, $assoc_args ) {
		$defaults = array(
			'dir'               => NULL,
			'start_date'        => NULL,
			'end_date'          => NULL,
			'post_type'         => NULL,
			'post_type__not_in' => NULL,
			'author'            => NULL,
			'category'          => NULL,
			'post_status'       => NULL,
			'post__in'          => NULL,
			'start_id'          => NULL,
			'skip_comments'     => NULL,
			'max_file_size'     => 15,
			'filename_format'   => '{site}.wordpress.{date}.{n}.xml',
		);

		$assoc_args = wp_parse_args( $assoc_args, $defaults );
		$this->validate_args( $assoc_args );

		if ( !function_exists( 'wp_export' ) ) {
			self::load_export_api();
		}

		WP_CLI::log( 'Starting export process...' );

		add_action( 'wp_export_new_file', function( $file_path ) {
			WP_CLI::log( sprintf( "Writing to file %s", $file_path ) );
		} );

		try {
			wp_export( array(
				'filters' => $this->export_args,
				'writer' => 'WP_Export_Split_Files_Writer',
				'writer_args' => array(
					'max_file_size' => $this->max_file_size * MB_IN_BYTES,
					'destination_directory' => $this->wxr_path,
					'filename_template' => self::get_filename_template( $assoc_args['filename_format'] ),
				)
			) );
		} catch ( Exception $e ) {
			WP_CLI::error( $e->getMessage() );
		}

		WP_CLI::success( 'All done with export.' );
	}

	private static function get_filename_template( $filename_format ) {
		$sitename = sanitize_key( get_bloginfo( 'name' ) );
		if ( empty( $sitename ) ) {
			$sitename = 'site';
		}
		return str_replace( array( '{site}', '{date}', '{n}' ), array( $sitename, date( 'Y-m-d' ), '%03d' ), $filename_format );
	}

	private static function load_export_api() {
		if ( !defined( 'KB_IN_BYTES' ) ) {
			// Constants for expressing human-readable data sizes
			// in their respective number of bytes.
			define( 'KB_IN_BYTES', 1024 );
			define( 'MB_IN_BYTES', 1024 * KB_IN_BYTES );
			define( 'GB_IN_BYTES', 1024 * MB_IN_BYTES );
			define( 'TB_IN_BYTES', 1024 * GB_IN_BYTES );
			define( 'PB_IN_BYTES', 1024 * TB_IN_BYTES );
			define( 'EB_IN_BYTES', 1024 * PB_IN_BYTES );
			define( 'ZB_IN_BYTES', 1024 * EB_IN_BYTES );
			define( 'YB_IN_BYTES', 1024 * ZB_IN_BYTES );
		}

		require WP_CLI_ROOT . '/php/export/functions.export.php';
	}

	private function validate_args( $args ) {
		$has_errors = false;

		foreach ( $args as $key => $value ) {
			if ( is_callable( array( $this, 'check_' . $key ) ) ) {
				$result = call_user_func( array( $this, 'check_' . $key ), $value );
				if ( false === $result )
					$has_errors = true;
			}
		}

		if ( $has_errors ) {
			exit(1);
		}
	}

	private function check_dir( $path ) {
		if ( empty( $path ) ) {
			$path = getcwd();
		} elseif ( !is_dir( $path ) ) {
			WP_CLI::error( sprintf( "The directory %s does not exist", $path ) );
			return false;
		}

		$this->wxr_path = trailingslashit( $path );

		return true;
	}

	private function check_start_date( $date ) {
		if ( is_null( $date ) )
			return true;

		$time = strtotime( $date );
		if ( !empty( $date ) && !$time ) {
			WP_CLI::warning( sprintf( "The start_date %s is invalid", $date ) );
			return false;
		}
		$this->export_args['start_date'] = date( 'Y-m-d', $time );
		return true;
	}

	private function check_end_date( $date ) {
		if ( is_null( $date ) )
			return true;

		$time = strtotime( $date );
		if ( !empty( $date ) && !$time ) {
			WP_CLI::warning( sprintf( "The end_date %s is invalid", $date ) );
			return false;
		}
		$this->export_args['end_date'] = date( 'Y-m-d', $time );
		return true;
	}

	private function check_post_type( $post_type ) {
		if ( is_null( $post_type ) || 'any' === $post_type )
			return true;

		$post_type = array_unique( array_filter( explode( ',', $post_type ) ) );
		$post_types = get_post_types();

		foreach ( $post_type as $type ) {
			if ( ! in_array( $type, $post_types ) ) {
				WP_CLI::warning( sprintf(
					'The post type %s does not exist. Choose "any" or any of these existing post types instead: %s',
					$type,
					implode( ", ", $post_types )
				) );
				return false;
			}
		}
		$this->export_args['post_type'] = $post_type;
		return true;
	}

	private function check_post_type__not_in( $post_type ) {
		if ( is_null( $post_type ) ) {
			return true;
		}

		$post_type = array_unique( array_filter( explode( ',', $post_type ) ) );
		$post_types = get_post_types();

		$keep_post_types = array();
		foreach ( $post_type as $type ) {
			if ( ! in_array( $type, $post_types ) ) {
				WP_CLI::warning( sprintf(
					'The post type %s does not exist. Use any of these existing post types instead: %s',
					$type,
					implode( ", ", $post_types )
				) );
				return false;
			}
		}
		$this->export_args['post_type'] = array_diff( $post_types, $post_type );
		return true;
	}

	private function check_post__in( $post__in ) {
		if ( is_null( $post__in ) )
			return true;

		$separator = false !== stripos( $post__in, ' ' ) ? ' ' : ',';
		$post__in = array_unique( array_map( 'intval', explode( $separator, $post__in ) ) );
		if ( empty( $post__in ) ) {
			WP_CLI::warning( "post__in should be comma-separated post IDs" );
			return false;
		}
		// New exporter uses a different argument
		$this->export_args['post_ids'] = $post__in;
		return true;
	}

	private function check_start_id( $start_id ) {
		if ( is_null( $start_id ) ) {
			return true;
		}

		$start_id = intval( $start_id );

		// Post IDs must be greater than 0
		if ( 0 >= $start_id ) {
			WP_CLI::warning( sprintf( __( 'Invalid start ID: %d' ), $start_id ) );
			return false;
		}

		$this->export_args['start_id'] = $start_id;
		return true;
	}

	private function check_author( $author ) {
		if ( is_null( $author ) )
			return true;

		$authors = get_users_of_blog();
		if ( empty( $authors ) || is_wp_error( $authors ) ) {
			WP_CLI::warning( sprintf( "Could not find any authors in this blog" ) );
			return false;
		}
		$hit = false;
		foreach( $authors as $user ) {
			if ( $hit )
				break;
			if ( (int) $author == $user->ID || $author == $user->user_login )
				$hit = $user->ID;
		}
		if ( false === $hit ) {
			$authors_nice = array();
			foreach( $authors as $_author )
				$authors_nice[] = sprintf( '%s (%s)', $_author->user_login, $_author->display_name );
			WP_CLI::warning( sprintf( 'Could not find a matching author for %s. The following authors exist: %s', $author, implode( ", ", $authors_nice ) ) );
			return false;
		}

		$this->export_args['author'] = $hit;
		return true;
	}

	private function check_category( $category ) {
		if ( is_null( $category ) )
			return true;

		$term = category_exists( $category );
		if ( empty( $term ) || is_wp_error( $term ) ) {
			WP_CLI::warning( sprintf( 'Could not find a category matching %s', $category ) );
			return false;
		}
		$this->export_args['category'] = $category;
		return true;
	}

	private function check_post_status( $status ) {
		if ( is_null( $status ) )
			return true;

		$stati = get_post_statuses();
		if ( empty( $stati ) || is_wp_error( $stati ) ) {
			WP_CLI::warning( 'Could not find any post stati' );
			return false;
		}

		if ( !isset( $stati[$status] ) ) {
			WP_CLI::warning( sprintf( 'Could not find a post_status matching %s. Here is a list of available stati: %s', $status, implode( ", ", array_keys( $stati ) ) ) );
			return false;
		}
		$this->export_args['status'] = $status;
		return true;
	}

	private function check_skip_comments( $skip ) {
		if ( is_null( $skip ) )
			return true;

		if ( (int) $skip <> 0 && (int) $skip <> 1 ) {
			WP_CLI::warning( 'skip_comments needs to be 0 (no) or 1 (yes)' );
			return false;
		}
		$this->export_args['skip_comments'] = $skip;
		return true;
	}

	private function check_max_file_size( $size ) {
		if ( !is_numeric( $size ) ) {
			WP_CLI::warning( sprintf( "max_file_size should be numeric", $size ) );
			return false;
		}

		$this->max_file_size = $size;

		return true;
	}
}

WP_CLI::add_command( 'export', 'Export_Command' );

<?php

use \WP_CLI\Utils;
use \WP_CLI\Dispatcher;

class Help_Command extends WP_CLI_Command {

	/**
	 * Get help on WP-CLI, or on a specific. command.
	 *
	 * [<command>...]
	 * : Get help on a specific command.
	 *
	 * ## EXAMPLES
	 *
	 *     # get help for `core` command
	 *     wp help core
	 *
	 *     # get help for `core download` subcommand
	 *     wp help core download
	 */
	function __invoke( $args, $assoc_args ) {
		$command = self::find_subcommand( $args );

		if ( $command ) {

			if ( WP_CLI::get_runner()->is_command_disabled( $command ) ) {
				$path = implode( ' ', array_slice( \WP_CLI\Dispatcher\get_path( $command ), 1 ) );
				WP_CLI::error( sprintf(
					"The '%s' command has been disabled from the config file.",
					$path
				) );
			}

			self::show_help( $command );
			exit;
		}

		// WordPress is already loaded, so there's no chance we'll find the command
		if ( function_exists( 'add_filter' ) ) {
			$command_string = implode( ' ', $args );
			\WP_CLI::error( sprintf( "'%s' is not a registered wp command.", $command_string ) );
		}
	}

	private static function find_subcommand( $args ) {
		$command = \WP_CLI::get_root_command();

		while ( !empty( $args ) && $command && $command->can_have_subcommands() ) {
			$command = $command->find_subcommand( $args );
		}

		return $command;
	}

	private static function show_help( $command ) {
		$out = self::get_initial_markdown( $command );

		$longdesc = $command->get_longdesc();
		if ( $longdesc ) {
			$out .= wordwrap( $longdesc, 90 ) . "\n";
		}

		// definition lists
		$out = preg_replace_callback( '/([^\n]+)\n: (.+?)(\n\n|$)/s', array( __CLASS__, 'rewrap_param_desc' ), $out );

		// Ensure all non-section headers are indented
		$out = preg_replace( '#^([^\s^\#])#m', "\t$1", $out );

		// section headers
		$out = preg_replace( '/^## ([A-Z ]+)/m', WP_CLI::colorize( '%9\1%n' ), $out );

		$out = str_replace( "\t", '  ', $out );

		self::pass_through_pager( $out );
	}

	private static function rewrap_param_desc( $matches ) {
		$param = $matches[1];
		$desc = self::indent( "\t\t", wordwrap( $matches[2] ) );
		return "\t$param\n$desc\n\n";
	}

	private static function indent( $whitespace, $text ) {
		$lines = explode( "\n", $text );
		foreach ( $lines as &$line ) {
			$line = $whitespace . $line;
		}
		return implode( $lines, "\n" );
	}

	private static function pass_through_pager( $out ) {

		if ( false === ( $pager = getenv( 'PAGER' ) ) ) {
			$pager = Utils\is_windows() ? 'more' : 'less -r';
		}

		// convert string to file handle
		$fd = fopen( "php://temp", "r+" );
		fputs( $fd, $out );
		rewind( $fd );

		$descriptorspec = array(
			0 => $fd,
			1 => STDOUT,
			2 => STDERR
		);

		return proc_close( proc_open( $pager, $descriptorspec, $pipes ) );
	}

	private static function get_initial_markdown( $command ) {
		$name = implode( ' ', Dispatcher\get_path( $command ) );

		$binding = array(
			'name' => $name,
			'shortdesc' => $command->get_shortdesc(),
		);

		$binding['synopsis'] = wordwrap( "$name " . $command->get_synopsis(), 79 );

		if ( $command->can_have_subcommands() ) {
			$binding['has-subcommands']['subcommands'] = self::render_subcommands( $command );
		}

		return Utils\mustache_render( 'man.mustache', $binding );
	}

	private static function render_subcommands( $command ) {
		$subcommands = array();
		foreach ( $command->get_subcommands() as $subcommand ) {

			if ( WP_CLI::get_runner()->is_command_disabled( $subcommand ) ) {
				continue;
			}

			$subcommands[ $subcommand->get_name() ] = $subcommand->get_shortdesc();
		}

		$max_len = self::get_max_len( array_keys( $subcommands ) );

		$lines = array();
		foreach ( $subcommands as $name => $desc ) {
			$lines[] = str_pad( $name, $max_len ) . "\t\t\t" . $desc;
		}

		return $lines;
	}

	private static function get_max_len( $strings ) {
		$max_len = 0;
		foreach ( $strings as $str ) {
			$len = strlen( $str );
			if ( $len > $max_len )
				$max_len = $len;
		}

		return $max_len;
	}

}

WP_CLI::add_command( 'help', 'Help_Command' );

<?php

class Import_Command extends WP_CLI_Command {

	/**
	 * Import content from a WXR file.
	 *
	 * ## OPTIONS
	 *
	 * <file>...
	 * : Path to one or more valid WXR files for importing. Directories are also accepted.
	 *
	 * --authors=<authors>
	 * : How the author mapping should be handled. Options are 'create', 'mapping.csv', or 'skip'. The first will create any non-existent users from the WXR file. The second will read author mapping associations from a CSV, or create a CSV for editing if the file path doesn't exist. The CSV requires two columns, and a header row like "old_user_login,new_user_login". The last option will skip any author mapping.
	 *
	 * [--skip=<data-type>]
	 * : Skip importing specific data. Supported options are: 'attachment' and 'image_resize' (skip time-consuming thumbnail generation).
	 */
	public function __invoke( $args, $assoc_args ) {
		$defaults = array(
			'authors' => null,
			'skip'    => array(),
		);
		$assoc_args = wp_parse_args( $assoc_args, $defaults );

		if ( ! is_array( $assoc_args['skip'] ) ) {
			$assoc_args['skip'] = explode( ',', $assoc_args['skip'] );
		}

		$importer = $this->is_importer_available();
		if ( is_wp_error( $importer ) ) {
			WP_CLI::error( $importer );
		}

		$this->add_wxr_filters();

		WP_CLI::log( 'Starting the import process...' );

		$new_args = array();
		foreach( $args as $arg ) {
			if ( is_dir( $arg ) ) {
				$files = glob( rtrim( $arg, '/' ) . '/*.{wxr,xml}', GLOB_BRACE );
				$new_args = array_merge( $new_args, $files );
			} else {
				$new_args[] = $arg;
			}
		}
		$args = $new_args;

		foreach ( $args as $file ) {
			if ( ! is_readable( $file ) ) {
				WP_CLI::warning( "Can't read $file file." );
			}

			$ret = $this->import_wxr( $file, $assoc_args );

			if ( is_wp_error( $ret ) ) {
				WP_CLI::error( $ret );
			} else {
				WP_CLI::log(''); // WXR import ends with HTML, so make sure message is on next line
				WP_CLI::success( "Finished importing from $file file." );
			}
		}
	}

	/**
	 * Import a WXR file
	 */
	private function import_wxr( $file, $args ) {

		$wp_import = new WP_Import;
		$import_data = $wp_import->parse( $file );
		if ( is_wp_error( $import_data ) )
			return $import_data;

		// Prepare the data to be used in process_author_mapping();
		$wp_import->get_authors_from_import( $import_data );

		// We no longer need the original data, so unset to avoid using excess
		// memory.
		unset( $import_data );

		$author_data = array();
		foreach ( $wp_import->authors as $wxr_author ) {
			$author = new \stdClass;
			// Always in the WXR
			$author->user_login = $wxr_author['author_login'];

			// Should be in the WXR; no guarantees
			if ( isset ( $wxr_author['author_email'] ) ) {
				$author->user_email = $wxr_author['author_email'];
			}
			if ( isset( $wxr_author['author_display_name'] ) )
				$author->display_name = $wxr_author['author_display_name'];
			if ( isset( $wxr_author['author_first_name'] ) )
				$author->first_name = $wxr_author['author_first_name'];
			if ( isset( $wxr_author['author_last_name'] ) )
				$author->last_name = $wxr_author['author_last_name'];

			$author_data[] = $author;
		}

		// Build the author mapping
		$author_mapping = $this->process_author_mapping( $args['authors'], $author_data );
		if ( is_wp_error( $author_mapping ) )
			return $author_mapping;

		$author_in = wp_list_pluck( $author_mapping, 'old_user_login' );
		$author_out = wp_list_pluck( $author_mapping, 'new_user_login' );
		unset( $author_mapping, $author_data );

		// $user_select needs to be an array of user IDs
		$user_select = array();
		$invalid_user_select = array();
		foreach ( $author_out as $author_login ) {
			$user = get_user_by( 'login', $author_login );
			if ( $user )
				$user_select[] = $user->ID;
			else
				$invalid_user_select[] = $author_login;
		}
		if ( ! empty( $invalid_user_select ) )
			return new WP_Error( 'invalid-author-mapping', sprintf( "These user_logins are invalid: %s", implode( ',', $invalid_user_select ) ) );

		unset( $author_out );

		// Drive the import
		$wp_import->fetch_attachments = !in_array( 'attachment', $args['skip'] );
		$_GET = array( 'import' => 'wordpress', 'step' => 2 );
		$_POST = array(
			'imported_authors'     => $author_in,
			'user_map'             => $user_select,
			'fetch_attachments'    => $wp_import->fetch_attachments,
		);

		if ( in_array( 'image_resize', $args['skip'] ) ) {
			add_filter( 'intermediate_image_sizes_advanced', array( $this, 'filter_set_image_sizes' ) );
		}

		$wp_import->import( $file );

		return true;
	}

	public function filter_set_image_sizes( $sizes ) {
		// Return null here to prevent the core image resizing logic from running.
		return null;
	}

	/**
	 * Useful verbosity filters for the WXR importer
	 */
	private function add_wxr_filters() {

		add_filter( 'wp_import_posts', function( $posts ) {
			global $wpcli_import_counts;
			$wpcli_import_counts['current_post'] = 0;
			$wpcli_import_counts['total_posts'] = count( $posts );
			return $posts;
		}, 10 );

		add_filter( 'wp_import_post_comments', function( $comments, $post_id, $post ) {
			global $wpcli_import_counts;
			$wpcli_import_counts['current_comment'] = 0;
			$wpcli_import_counts['total_comments'] = count( $comments );
			return $comments;
		}, 10, 3 );

		add_filter( 'wp_import_post_data_raw', function( $post ) {
			global $wpcli_import_counts;

			$wpcli_import_counts['current_post']++;
			WP_CLI::log('');
			WP_CLI::log('');
			WP_CLI::log( sprintf( 'Processing post #%d ("%s") (post_type: %s)', $post['post_id'], $post['post_title'], $post['post_type'] ) );
			WP_CLI::log( sprintf( '-- %s of %s', number_format( $wpcli_import_counts['current_post'] ), number_format( $wpcli_import_counts['total_posts'] ) ) );
			WP_CLI::log( '-- ' . date( 'r' ) );

			return $post;
		} );

		add_action( 'wp_import_insert_post', function( $post_id, $original_post_ID, $post, $postdata ) {
			global $wpcli_import_counts;
			if ( is_wp_error( $post_id ) ) {
				WP_CLI::warning( "-- Error importing post: " . $post_id->get_error_code() );
			} else {
				WP_CLI::log( "-- Imported post as post_id #{$post_id}" );
			}

			if ( $wpcli_import_counts['current_post'] % 500 === 0 ) {
				WP_CLI\Utils\wp_clear_object_cache();
				WP_CLI::log( "-- Cleared object cache." );
			}

		}, 10, 4 );

		add_action( 'wp_import_insert_term', function( $t, $import_term, $post_id, $post ) {
			WP_CLI::log( "-- Created term \"{$import_term['name']}\"" );
		}, 10, 4 );

		add_action( 'wp_import_set_post_terms', function( $tt_ids, $term_ids, $taxonomy, $post_id, $post ) {
			WP_CLI::log( "-- Added terms (" . implode( ',', $term_ids ) .") for taxonomy \"{$taxonomy}\"" );
		}, 10, 5 );

		add_action( 'wp_import_insert_comment', function( $comment_id, $comment, $comment_post_ID, $post ) {
			global $wpcli_import_counts;
			$wpcli_import_counts['current_comment']++;
			WP_CLI::log( sprintf( '-- Added comment #%d (%s of %s)', $comment_id, number_format( $wpcli_import_counts['current_comment'] ), number_format( $wpcli_import_counts['total_comments'] ) ) );
		}, 10, 4 );

		add_action( 'import_post_meta', function( $post_id, $key, $value ) {
			WP_CLI::log( "-- Added post_meta $key" );
		}, 10, 3 );

	}

	/**
	 * Is the requested importer available?
	 */
	private function is_importer_available() {
		require_once ABSPATH . 'wp-admin/includes/plugin.php';

		if ( class_exists( 'WP_Import' ) ) {
			return true;
		}

		$plugins = get_plugins();
		$wordpress_importer = 'wordpress-importer/wordpress-importer.php';
		if ( array_key_exists( $wordpress_importer, $plugins ) )
			$error_msg = "WordPress Importer needs to be activated. Try 'wp plugin activate wordpress-importer'.";
		else
			$error_msg = "WordPress Importer needs to be installed. Try 'wp plugin install wordpress-importer --activate'.";

		return new WP_Error( 'importer-missing', $error_msg );
	}

	/**
	 * Process how the authors should be mapped
	 *
	 * @param string            $authors_arg      The `--author` argument originally passed to command
	 * @param array             $author_data      An array of WP_User-esque author objects
	 * @return array|WP_Error   $author_mapping   Author mapping array if successful, WP_Error if something bad happened
	 */
	private function process_author_mapping( $authors_arg, $author_data ) {

		// Provided an author mapping file (method checks validity)
		if ( file_exists( $authors_arg ) )
			return $this->read_author_mapping_file( $authors_arg );

		// Provided a file reference, but the file doesn't yet exist
		if ( false !== stripos( $authors_arg, '.csv' ) )
			return $this->create_author_mapping_file( $authors_arg, $author_data );

		switch( $authors_arg ) {
			// Create authors if they don't yet exist; maybe match on email or user_login
			case 'create':
				return $this->create_authors_for_mapping( $author_data );
				break;
			// Skip any sort of author mapping
			case 'skip':
				return array();
				break;
			default:
				return new WP_Error( 'invalid-argument', "'authors' argument is invalid." );
		}
	}

	/**
	 * Read an author mapping file
	 */
	private function read_author_mapping_file( $file ) {
		$author_mapping = array();

		foreach ( new \WP_CLI\Iterators\CSV( $file ) as $i => $author ) {
			if ( ! array_key_exists( 'old_user_login', $author ) || ! array_key_exists( 'new_user_login', $author ) )
				return new WP_Error( 'invalid-author-mapping', "Author mapping file isn't properly formatted." );

			$author_mapping[] = $author;
		}

		return $author_mapping;
	}

	/**
	 * Create an author mapping file, based on provided author data
	 *
	 * @return WP_Error      The file was just now created, so some action needs to be taken
	 */
	private function create_author_mapping_file( $file, $author_data ) {

		if ( touch( $file ) ) {
			$author_mapping = array();
			foreach ( $author_data as $author ) {
				$author_mapping[] = array(
					'old_user_login' => $author->user_login,
					'new_user_login' => $this->suggest_user( $author->user_login, $author->user_email ),
				);
			}
			$file_resource = fopen( $file, 'w' );
			\WP_CLI\utils\write_csv( $file_resource, $author_mapping, array( 'old_user_login', 'new_user_login' ) );
			return new WP_Error( 'author-mapping-error', sprintf( "Please update author mapping file before continuing: %s", $file ) );
		} else {
			return new WP_Error( 'author-mapping-error', "Couldn't create author mapping file." );
		}
	}

	/**
	 * Create users if they don't exist, and build an author mapping file
	 */
	private function create_authors_for_mapping( $author_data ) {

		$author_mapping = array();
		foreach ( $author_data as $author ) {

			if ( isset( $author->user_email ) ) {
				if ( $user = get_user_by( 'email', $author->user_email ) ) {
					$author_mapping[] = array(
						'old_user_login' => $author->user_login,
						'new_user_login' => $user->user_login,
					);
					continue;
				}
			}

			if ( $user = get_user_by( 'login', $author->user_login ) ) {
				$author_mapping[] = array(
					'old_user_login' => $author->user_login,
					'new_user_login' => $user->user_login,
				);
				continue;
			}

			$user = array(
				'user_login' => '',
				'user_email' => '',
				'user_pass'  => wp_generate_password(),
			);
			$user = array_merge( $user, (array)$author );
			$user_id = wp_insert_user( $user );
			if ( is_wp_error( $user_id ) )
				return $user_id;

			$user = get_user_by( 'id', $user_id );
			$author_mapping[] = array(
				'old_user_login' => $author->user_login,
				'new_user_login' => $user->user_login,
			);
		}
		return $author_mapping;

	}

	/**
	 * Suggest a blog user based on the levenshtein distance
	 */
	private function suggest_user( $author_user_login, $author_user_email = '' ) {

		if ( ! isset( $this->blog_users ) )
			$this->blog_users = get_users();

		$shortest = -1;
		$shortestavg = array();

		$threshold = floor( ( strlen( $author_user_login ) / 100 ) * 10 ); // 10 % of the strlen are valid
		$closest = '';
		foreach ( $this->blog_users as $user ) {
			// Before we resort to an algorithm, let's try for an exact match
			if ( $author_user_email && $user->user_email == $author_user_email )
				return $user->user_login;

			$levs = array();
			$levs[] = levenshtein( $author_user_login, $user->display_name );
			$levs[] = levenshtein( $author_user_login, $user->user_login );
			$levs[] = levenshtein( $author_user_login, $user->user_email );
			$email_parts = explode( "@", $user->user_email );
			$email_login = array_shift( $email_parts );
			$levs[] = levenshtein( $author_user_login, $email_login );
			rsort( $levs );
			$lev = array_pop( $levs );
			if ( 0 == $lev ) {
				$closest = $user->user_login;
				$shortest = 0;
				break;
			}

			if ( ( $lev <= $shortest || $shortest < 0 ) && $lev <= $threshold ) {
				$closest  = $user->user_login;
				$shortest = $lev;
			}
			$shortestavg[] = $lev;
		}
		// in case all usernames have a common pattern
		if ( $shortest > ( array_sum( $shortestavg ) / count( $shortestavg ) ) )
			return '';
		return $closest;
	}

}

WP_CLI::add_command( 'import', 'Import_Command' );

<?php

/**
 * Manage attachments.
 *
 * @package wp-cli
 */
class Media_Command extends WP_CLI_Command {

	/**
	 * Regenerate thumbnail(s).
	 *
	 * ## OPTIONS
	 *
	 * [<attachment-id>...]
	 * : One or more IDs of the attachments to regenerate.
	 *
	 * [--skip-delete]
	 * : Skip deletion of the original thumbnails. If your thumbnails are linked from sources outside your control, it's likely best to leave them around. Defaults to false.
	 *
	 * [--only-missing]
	 * : Only generate thumbnails for images missing image sizes.
	 *
	 * [--yes]
	 * : Answer yes to the confirmation message.
	 *
	 * ## EXAMPLES
	 *
	 *     # re-generate all thumbnails, without confirmation
	 *     wp media regenerate --yes
	 *
	 *     # re-generate all thumbnails that have IDs between 1000 and 2000
	 *     seq 1000 2000 | xargs wp media regenerate
	 */
	function regenerate( $args, $assoc_args = array() ) {
		if ( empty( $args ) ) {
			WP_CLI::confirm( 'Do you really want to regenerate all images?', $assoc_args );
		}

		$skip_delete = \WP_CLI\Utils\get_flag_value( $assoc_args, 'skip-delete' );
		$only_missing = \WP_CLI\Utils\get_flag_value( $assoc_args, 'only-missing' );
		if ( $only_missing ) {
			$skip_delete = true;
		}

		$query_args = array(
			'post_type' => 'attachment',
			'post__in' => $args,
			'post_mime_type' => 'image',
			'post_status' => 'any',
			'posts_per_page' => -1,
			'fields' => 'ids'
		);

		$images = new WP_Query( $query_args );

		$count = $images->post_count;

		if ( !$count ) {
			WP_CLI::warning( 'No images found.' );
			return;
		}

		WP_CLI::log( sprintf( 'Found %1$d %2$s to regenerate.', $count,
			_n( 'image', 'images', $count ) ) );

		$errored = false;
		foreach ( $images->posts as $id ) {
			if ( ! $this->_process_regeneration( $id, $skip_delete, $only_missing ) ) {
				$errored = true;
			}
		}

		if ( $errored ) {
			WP_CLI::log( _n( 'An error occurred with image regeneration.', 'An error occurred regenerating one or more images.', $count ) );
		} else {
			WP_CLI::success( sprintf(
				'Finished regenerating %1$s.',
				_n('the image', 'all images', $count)
			) );
		}
	}

	/**
	 * Create attachments from local files or from URLs.
	 *
	 * ## OPTIONS
	 *
	 * <file>...
	 * : Path to file or files to be imported. Supports the glob(3) capabilities of the current shell.
	 *     If file is recognized as a URL (for example, with a scheme of http or ftp), the file will be
	 *     downloaded to a temp file before being sideloaded.
	 *
	 * [--post_id=<post_id>]
	 * : ID of the post to attach the imported files to
	 *
	 * [--title=<title>]
	 * : Attachment title (post title field)
	 *
	 * [--caption=<caption>]
	 * : Caption for attachent (post excerpt field)
	 *
	 * [--alt=<alt_text>]
	 * : Alt text for image (saved as post meta)
	 *
	 * [--desc=<description>]
	 * : "Description" field (post content) of attachment post
	 *
	 * [--featured_image]
	 * : If set, set the imported image as the Featured Image of the post its attached to.
	 *
	 * [--porcelain]
	 * : Output just the new attachment id.
	 *
	 * ## EXAMPLES
	 *
	 *     # Import all jpgs in the current user's "Pictures" directory, not attached to any post
	 *     wp media import ~/Pictures/**\/*.jpg
	 *
	 *     # Import a local image and set it to be the post thumbnail for a post
	 *     wp media import ~/Downloads/image.png --post_id=123 --title="A downloaded picture" --featured_image
	 *
	 *     # Import an image from the web
	 *     wp media import http://s.wordpress.org/style/images/wp-header-logo.png --title='The WordPress logo' --alt="Semantic personal publishing"
	 */
	function import( $args, $assoc_args = array() ) {
		$assoc_args = wp_parse_args( $assoc_args, array(
			'title' => '',
			'caption' => '',
			'alt' => '',
			'desc' => '',
		) );

		if ( isset( $assoc_args['post_id'] ) ) {
			if ( !get_post( $assoc_args['post_id'] ) ) {
				WP_CLI::warning( "Invalid --post_id" );
				$assoc_args['post_id'] = false;
			}
		} else {
			$assoc_args['post_id'] = false;
		}

		foreach ( $args as $file ) {
			$is_file_remote = parse_url( $file, PHP_URL_HOST );
			$orig_filename = $file;

			if ( empty( $is_file_remote ) ) {
				if ( !file_exists( $file ) ) {
					WP_CLI::warning( "Unable to import file $file. Reason: File doesn't exist." );
					break;
				}
				$tempfile = $this->_make_copy( $file );
			} else {
				$tempfile = download_url( $file );
			}

			$file_array = array(
				'tmp_name' => $tempfile,
				'name' => basename( $file )
			);

			$post_array= array(
				'post_title' => $assoc_args['title'],
				'post_excerpt' => $assoc_args['caption'],
				'post_content' => $assoc_args['desc']
			);

			// Deletes the temporary file.
			$success = media_handle_sideload( $file_array, $assoc_args['post_id'], $assoc_args['title'], $post_array );
			if ( is_wp_error( $success ) ) {
				WP_CLI::warning( sprintf(
					'Unable to import file %s. Reason: %s',
					$orig_filename, implode( ', ', $success->get_error_messages() )
				) );
				continue;
			}

			// Set alt text
			if ( $assoc_args['alt'] ) {
				update_post_meta( $success, '_wp_attachment_image_alt', $assoc_args['alt'] );
			}

			// Set as featured image, if --post_id and --featured_image are set
			if ( $assoc_args['post_id'] && \WP_CLI\Utils\get_flag_value( $assoc_args, 'featured_image' ) ) {
				update_post_meta( $assoc_args['post_id'], '_thumbnail_id', $success );
			}

			$attachment_success_text = '';
			if ( $assoc_args['post_id'] ) {
				$attachment_success_text = " and attached to post {$assoc_args['post_id']}";
				if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'featured_image' ) )
					$attachment_success_text .= ' as featured image';
			}

			if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'porcelain' ) ) {
				WP_CLI::line( $success );
			} else {
				WP_CLI::success( sprintf(
					'Imported file %s as attachment ID %d%s.',
					$orig_filename, $success, $attachment_success_text
				) );
			}
		}
	}

	// wp_tempnam() inexplicably forces a .tmp extension, which spoils MIME type detection
	private function _make_copy( $path ) {
		$dir = get_temp_dir();
		$filename = basename( $path );
		if ( empty( $filename ) )
			$filename = time();

		$filename = $dir . wp_unique_filename( $dir, $filename );
		if ( !copy( $path, $filename ) )
			WP_CLI::error( "Could not create temporary file for $path" );

		return $filename;
	}

	private function _process_regeneration( $id, $skip_delete = false, $only_missing = false ) {

		$fullsizepath = get_attached_file( $id );

		$att_desc = sprintf( '"%1$s" (ID %2$d).', get_the_title( $id ), $id );

		if ( false === $fullsizepath || !file_exists( $fullsizepath ) ) {
			WP_CLI::warning( "Can't find $att_desc" );
			return false;
		}

		if ( ! $skip_delete ) {
			$this->remove_old_images( $id );
		}

		if ( ! $only_missing || $this->needs_regeneration( $id ) ) {

			$metadata = wp_generate_attachment_metadata( $id, $fullsizepath );
			if ( is_wp_error( $metadata ) ) {
				WP_CLI::warning( $metadata->get_error_message() );
				return false;
			}

			if ( empty( $metadata ) ) {
				WP_CLI::warning( "Couldn't regenerate thumbnails for $att_desc." );
				return false;
			}

			wp_update_attachment_metadata( $id, $metadata );

			WP_CLI::log( "Regenerated thumbnails for $att_desc" );
			return true;
		} else {
			WP_CLI::log( "No thumbnail regeneration needed for $att_desc" );
			return true;
		}
	}

	private function remove_old_images( $att_id ) {
		$wud = wp_upload_dir();

		$metadata = wp_get_attachment_metadata( $att_id );

		if ( empty( $metadata['file'] ) ) {
			return;
		}

		$dir_path = $wud['basedir'] . '/' . dirname( $metadata['file'] ) . '/';
		$original_path = $dir_path . basename( $metadata['file'] );

		if ( empty( $metadata['sizes'] ) ) {
			return;
		}

		foreach ( $metadata['sizes'] as $size_info ) {
			$intermediate_path = $dir_path . $size_info['file'];

			if ( $intermediate_path == $original_path )
				continue;

			if ( file_exists( $intermediate_path ) )
				unlink( $intermediate_path );
		}
	}

	private function needs_regeneration( $att_id ) {
		$wud = wp_upload_dir();

		$metadata = wp_get_attachment_metadata($att_id);

		if ( empty($metadata['file'] ) ) {
			return false;
		}

		$dir_path = $wud['basedir'] . '/' . dirname( $metadata['file'] ) . '/';
		$original_path = $dir_path . basename( $metadata['file'] );

		if ( empty( $metadata['sizes'] ) ) {
			return false;
		}

		foreach( $metadata['sizes'] as $size_info ) {
			$intermediate_path = $dir_path . $size_info['file'];

			if ( $intermediate_path == $original_path )
				continue;

			if ( ! file_exists( $intermediate_path ) ) {
				return true;
			}
		}
		return false;
	}
}

WP_CLI::add_command( 'media', 'Media_Command', array(
	'before_invoke' => function () {
		if ( !wp_image_editor_supports() ) {
			WP_CLI::error( 'No support for generating images found. ' .
				'Please install the Imagick or GD PHP extensions.' );
		}
	}
) );

<?php

/**
 * List, create, assign, and delete menus
 *
 * ## EXAMPLES
 *
 *     # Create a new menu
 *     wp menu create "My Menu"
 *
 *     # List existing menus
 *     wp menu list
 *
 *     # Create a new menu link item
 *     wp menu item add-custom sidebar-menu Apple http://apple.com --porcelain
 *
 *     # Assign the 'primary-menu' menu to the 'primary' location
 *     wp menu location assign primary-menu primary
 */
class Menu_Command extends WP_CLI_Command {

	protected $obj_type = 'nav_menu';
	protected $obj_fields = array(
		'term_id',
		'name',
		'slug',
		'locations',
		'count',
	);

	/**
	 * Create a new menu
	 *
	 * <menu-name>
	 * : A descriptive name for the menu
	 *
	 * [--porcelain]
	 * : Output just the new menu id.
	 *
	 * ## EXAMPLES
	 *
	 *     wp menu create "My Menu"
	 */
	public function create( $args, $assoc_args ) {

		$menu_id = wp_create_nav_menu( $args[0] );

		if ( is_wp_error( $menu_id ) ) {

			WP_CLI::error( $menu_id->get_error_message() );

		} else {

			if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'porcelain' ) ) {
				WP_CLI::line( $menu_id );
			} else {
				WP_CLI::success( "Created menu $menu_id." );
			}

		}
	}

	/**
	 * Delete one or more menus
	 *
	 * <menu>...
	 * : The name, slug, or term ID for the menu(s)
	 *
	 * ## EXAMPLES
	 *
	 *     wp menu delete "My Menu"
	 */
	public function delete( $args, $_ ) {

		foreach( $args as $arg ) {

			$ret = wp_delete_nav_menu( $arg );

			if ( ! $ret || is_wp_error( $ret ) ) {

				WP_CLI::warning( "Error deleting menu." );

			}

		}

		WP_CLI::success( "Menu(s) deleted." );

	}

	/**
	 * Get a list of menus.
	 *
	 * ## OPTIONS
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific object fields.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, csv, json, count, ids. Default: table
	 *
	 * ## AVAILABLE FIELDS
	 *
	 * These fields will be displayed by default for each menu:
	 *
	 * * term_id
	 * * name
	 * * slug
	 * * count
	 *
	 * These fields are optionally available:
	 *
	 * * term_group
	 * * term_taxonomy_id
	 * * taxonomy
	 * * description
	 * * parent
	 * * locations
	 *
	 * ## EXAMPLES
	 *
	 *     wp menu list
	 *
	 * @subcommand list
	 */
	public function list_( $_, $assoc_args ) {

		$menus = wp_get_nav_menus();

		$menu_locations = get_nav_menu_locations();
		// < 3.6 $menu_locations could be false
		if ( ! $menu_locations ) {
			$menu_locations = array();
		}
		foreach( $menus as &$menu ) {

			$menu->locations = array();
			foreach( $menu_locations as $location => $term_id ) {

				if ( $term_id == $menu->term_id  ) {
					$menu->locations[] = $location;
				}

			}

			// Normalize the data for some output formats
			if ( ! isset( $assoc_args['format'] ) || in_array( $assoc_args['format'], array( 'csv', 'table' ) ) ) {
				$menu->locations = implode( ',', $menu->locations );
			}
		}

		$formatter = $this->get_formatter( $assoc_args );
		$formatter->display_items( $menus );

	}

	protected function get_formatter( &$assoc_args ) {
		return new \WP_CLI\Formatter( $assoc_args, $this->obj_fields, $this->obj_type );
	}

}

/**
 * List, add, and delete items associated with a menu
 *
 * ## EXAMPLES
 *
 *     # Add an existing post to an existing menu
 *     wp menu item add-post sidebar-menu 33 --title="Custom Test Post"
 *
 *     # Create a new menu link item
 *     wp menu item add-custom sidebar-menu Apple http://apple.com --porcelain
 */
class Menu_Item_Command extends WP_CLI_Command {

	protected $obj_fields = array(
		'db_id',
		'type',
		'title',
		'link',
		'position',
	);

	/**
	 * Get a list of items associated with a menu
	 *
	 * ## OPTIONS
	 *
	 * <menu>
	 * : The name, slug, or term ID for the menu
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific object fields.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, csv, json, count, ids. Default: table
	 *
	 * ## AVAILABLE FIELDS
	 *
	 * These fields will be displayed by default for each menu item:
	 *
	 * * db_id
	 * * type
	 * * title
	 * * link
	 * * position
	 *
	 * These fields are optionally available:
	 *
	 * * menu_item_parent
	 * * object_id
	 * * object
	 * * type
	 * * type_label
	 * * target
	 * * attr_title
	 * * description
	 * * classes
	 * * xfn
	 *
	 * ## EXAMPLES
	 *
	 *     wp menu item list <menu>
	 *
	 * @subcommand list
	 */
	public function list_( $args, $assoc_args ) {

		$items = wp_get_nav_menu_items( $args[0] );
		if ( false === $items || is_wp_error( $items ) ) {
			WP_CLI::error( "Invalid menu" );
		}

		// Correct position inconsistency and
		// protected `url` param in WP-CLI
		$items = array_map( function( $item ) use ( $assoc_args ) {
			$item->position = $item->menu_order;
			$item->link = $item->url;
			return $item;
		}, $items );

		if ( ! empty( $assoc_args['format'] ) && 'ids' == $assoc_args['format'] ) {
			$items = array_map( function( $item ) {
				return $item->db_id;
			}, $items );
		}

		$formatter = $this->get_formatter( $assoc_args );
		$formatter->display_items( $items );

	}

	/**
	 * Add a post as a menu item
	 *
	 * <menu>
	 * : The name, slug, or term ID for the menu
	 *
	 * <post-id>
	 * : Post ID to add to the menu
	 *
	 * [--title=<title>]
	 * : Set a custom title for the menu item
	 *
	 * [--link=<link>]
	 * : Set a custom url for the menu item
	 *
	 * [--description=<description>]
	 * : Set a custom description for the menu item
	 *
	 * [--attr-title=<attr-title>]
	 * : Set a custom title attribute for the menu item
	 *
	 * [--target=<target>]
	 * : Set a custom link target for the menu item
	 *
	 * [--classes=<classes>]
	 * : Set a custom link classes for the menu item
	 *
	 * [--position=<position>]
	 * : Specify the position of this menu item.
	 *
	 * [--parent-id=<parent-id>]
	 * : Make this menu item a child of another menu item
	 *
	 * [--porcelain]
	 * : Output just the new menu item id.
	 *
	 * ## EXAMPLES
	 *
	 *     wp menu item add-post sidebar-menu 33 --title="Custom Test Post"
	 *
	 * @subcommand add-post
	 */
	public function add_post( $args, $assoc_args ) {

		$assoc_args['object-id'] = $args[1];
		unset( $args[1] );
		$post = get_post( $assoc_args['object-id'] );
		if ( ! $post ) {
			WP_CLI::error( "Invalid post." );
		}
		$assoc_args['object'] = $post->post_type;

		$this->add_or_update_item( 'add', 'post_type', $args, $assoc_args );
	}

	/**
	 * Add a taxonomy term as a menu item
	 *
	 * <menu>
	 * : The name, slug, or term ID for the menu
	 *
	 * <taxonomy>
	 * : Taxonomy of the term to be added
	 *
	 * <term-id>
	 * : Term ID of the term to be added
	 *
	 * [--title=<title>]
	 * : Set a custom title for the menu item
	 *
	 * [--link=<link>]
	 * : Set a custom url for the menu item
	 *
	 * [--description=<description>]
	 * : Set a custom description for the menu item
	 *
	 * [--attr-title=<attr-title>]
	 * : Set a custom title attribute for the menu item
	 *
	 * [--target=<target>]
	 * : Set a custom link target for the menu item
	 *
	 * [--classes=<classes>]
	 * : Set a custom link classes for the menu item
	 *
	 * [--position=<position>]
	 * : Specify the position of this menu item.
	 *
	 * [--parent-id=<parent-id>]
	 * : Make this menu item a child of another menu item
	 *
	 * [--porcelain]
	 * : Output just the new menu item id.
	 *
	 * ## EXAMPLES
	 *
	 *     wp menu item add-term sidebar-menu post_tag 24
	 *
	 * @subcommand add-term
	 */
	public function add_term( $args, $assoc_args ) {

		$assoc_args['object'] = $args[1];
		unset( $args[1] );
		$assoc_args['object-id'] = $args[2];
		unset( $args[2] );

		if ( ! get_term_by( 'id', $assoc_args['object-id'], $assoc_args['object'] ) ) {
			WP_CLI::error( "Invalid term." );
		}

		$this->add_or_update_item( 'add', 'taxonomy', $args, $assoc_args );
	}

	/**
	 * Add a custom menu item
	 *
	 * <menu>
	 * : The name, slug, or term ID for the menu
	 *
	 * <title>
	 * : Title for the link
	 *
	 * <link>
	 * : Target URL for the link
	 *
	 * [--description=<description>]
	 * : Set a custom description for the menu item
	 *
	 * [--attr-title=<attr-title>]
	 * : Set a custom title attribute for the menu item
	 *
	 * [--target=<target>]
	 * : Set a custom link target for the menu item
	 *
	 * [--classes=<classes>]
	 * : Set a custom link classes for the menu item
	 *
	 * [--position=<position>]
	 * : Specify the position of this menu item.
	 *
	 * [--parent-id=<parent-id>]
	 * : Make this menu item a child of another menu item
	 *
	 * [--porcelain]
	 * : Output just the new menu item id.
	 *
	 * ## EXAMPLES
	 *
	 *     wp menu item add-custom sidebar-menu Apple http://apple.com --porcelain
	 *
	 * @subcommand add-custom
	 */
	public function add_custom( $args, $assoc_args ) {

		$assoc_args['title'] = $args[1];
		unset( $args[1] );
		$assoc_args['link'] = $args[2];
		unset( $args[2] );
		$this->add_or_update_item( 'add', 'custom', $args, $assoc_args );
	}

	/**
	 * Update a menu item
	 *
	 * <db-id>
	 * : Database ID for the menu item.
	 *
	 * [--title=<title>]
	 * : Set a custom title for the menu item
	 *
	 * [--link=<link>]
	 * : Set a custom url for the menu item
	 *
	 * [--description=<description>]
	 * : Set a custom description for the menu item
	 *
	 * [--attr-title=<attr-title>]
	 * : Set a custom title attribute for the menu item
	 *
	 * [--target=<target>]
	 * : Set a custom link target for the menu item
	 *
	 * [--classes=<classes>]
	 * : Set a custom link classes for the menu item
	 *
	 * [--position=<position>]
	 * : Specify the position of this menu item.
	 *
	 * [--parent-id=<parent-id>]
	 * : Make this menu item a child of another menu item
	 *
	 * ## EXAMPLES
	 *
	 *     wp menu item update 45 --title=WordPress --link='http://wordpress.org' --target=_blank --position=2
	 *
	 * @subcommand update
	 */
	public function update( $args, $assoc_args ) {

		// Shuffle the position of these
		$args[1] = $args[0];
		$terms = get_the_terms( $args[1], 'nav_menu' );
		if ( $terms && ! is_wp_error( $terms ) ) {
			$args[0] = (int)$terms[0]->term_id;
		} else {
			$args[0] = 0;
		}
		$type = get_post_meta( $args[1], '_menu_item_type', true );
		$this->add_or_update_item( 'update', $type, $args, $assoc_args );

	}

	/**
	 * Delete one or more items from a menu
	 *
	 * <db-id>...
	 * : Database ID for the menu item(s).
	 *
	 * ## EXAMPLES
	 *
	 *     wp menu item delete 45
	 *
	 * @subcommand delete
	 */
	public function delete( $args, $_ ) {
		global $wpdb;

		foreach( $args as $arg ) {

			$parent_menu_id = (int) get_post_meta( $arg, '_menu_item_menu_item_parent', true );
			$ret = wp_delete_post( $arg, true );
			if ( ! $ret ) {
				WP_CLI::warning( "Couldn't delete menu item." );
			} else if ( $parent_menu_id ) {
				$children = $wpdb->get_results( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE meta_key='_menu_item_menu_item_parent' AND meta_value=%s", (int) $arg ) );
				if ( $children ) {
					$children_query = $wpdb->prepare( "UPDATE $wpdb->postmeta SET meta_value = %d WHERE meta_key = '_menu_item_menu_item_parent' AND meta_value=%s", $parent_menu_id, (int) $arg );
					$wpdb->query( $children_query );
					foreach( $children as $child ) {
						clean_post_cache( $child );
					}
				}
			}

		}
		WP_CLI::success( "Menu item(s) deleted." );

	}

	/**
	 * Worker method to create new items or update existing ones
	 */
	private function add_or_update_item( $method, $type, $args, $assoc_args ) {

		$menu = $args[0];
		$menu_item_db_id = \WP_CLI\Utils\get_flag_value( $args, 1, 0 );

		$menu = wp_get_nav_menu_object( $menu );
		if ( ! $menu || is_wp_error( $menu ) ) {
			WP_CLI::error( "Invalid menu." );
		}

		// `url` is protected in WP-CLI, so we use `link` instead
		$assoc_args['url'] = \WP_CLI\Utils\get_flag_value( $assoc_args, 'link' );

		// Need to persist the menu item data. See https://core.trac.wordpress.org/ticket/28138
		if ( 'update' == $method ) {

			$menu_item_obj = get_post( $menu_item_db_id );
			$menu_item_obj = wp_setup_nav_menu_item( $menu_item_obj );

			// Correct the menu position if this was the first item. See https://core.trac.wordpress.org/ticket/28140
			$position = ( 0 === $menu_item_obj->menu_order ) ? 1 : $menu_item_obj->menu_order;

			$default_args = array(
				'position'     => $position,
				'title'        => $menu_item_obj->title,
				'url'          => $menu_item_obj->url,
				'description'  => $menu_item_obj->description,
				'object'       => $menu_item_obj->object,
				'object-id'    => $menu_item_obj->object_id,
				'parent-id'    => $menu_item_obj->menu_item_parent,
				'attr-title'   => $menu_item_obj->attr_title,
				'target'       => $menu_item_obj->target,
				'classes'      => implode( ' ', $menu_item_obj->classes ), // stored in the database as array
				'xfn'          => $menu_item_obj->xfn,
				'status'       => $menu_item_obj->post_status,
				);

		} else {

			$default_args = array(
				'position'     => 0,
				'title'        => '',
				'url'          => '',
				'description'  => '',
				'object'       => '',
				'object-id'    => 0,
				'parent-id'    => 0,
				'attr-title'   => '',
				'target'       => '',
				'classes'      => '',
				'xfn'          => '',
				// Core oddly defaults to 'draft' for create,
				// and 'publish' for update
				// Easiest to always work with publish
				'status'       => 'publish',
				);

		}

		$menu_item_args = array();
		foreach( $default_args as $key => $default_value ) {
			// wp_update_nav_menu_item() has a weird argument prefix
			$new_key = 'menu-item-' . $key;
			$menu_item_args[ $new_key ] = \WP_CLI\Utils\get_flag_value( $assoc_args, $key, $default_value );
		}

		$menu_item_args['menu-item-type'] = $type;
		$ret = wp_update_nav_menu_item( $menu->term_id, $menu_item_db_id, $menu_item_args );

		if ( is_wp_error( $ret ) ) {
			WP_CLI::error( $ret->get_error_message() );
		} else if ( ! $ret ) {
			if ( 'add' == $method ) {
				WP_CLI::error( "Couldn't add menu item." );
			} else if ( 'update' == $method ) {
				WP_CLI::error( "Couldn't update menu item." );
			}
		} else {

			/**
			 * Set the menu
			 *
			 * wp_update_nav_menu_item() *should* take care of this, but
			 * depends on wp_insert_post()'s "tax_input" argument, which
			 * is ignored if the user can't edit the taxonomy
			 *
			 * @see https://core.trac.wordpress.org/ticket/27113
			 */
			if ( ! is_object_in_term( $ret, 'nav_menu', (int) $menu->term_id ) ) {
				wp_set_object_terms( $ret, array( (int)$menu->term_id ), 'nav_menu' );
			}

			if ( 'add' == $method && ! empty( $assoc_args['porcelain'] ) ) {
				WP_CLI::line( $ret );
			} else {
				if ( 'add' == $method ) {
					WP_CLI::success( "Menu item added." );
				} else if ( 'update' == $method ) {
					WP_CLI::success( "Menu item updated." );
				}
			}
		}

	}

	protected function get_formatter( &$assoc_args ) {
		return new \WP_CLI\Formatter( $assoc_args, $this->obj_fields );
	}

}

/**
 * Manage a menu's assignment to locations.
 *
 * ## EXAMPLES
 *
 *     # List available menu locations
 *     wp menu location list
 *
 *     # Assign the 'primary-menu' menu to the 'primary' location
 *     wp menu location assign primary-menu primary
 *
 *     # Remove the 'primary-menu' menu from the 'primary' location
 *     wp menu location remove primary-menu primary
 */
class Menu_Location_Command extends WP_CLI_Command {

	/**
	 * List locations for the current theme.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, csv, json, count, ids. Default: table
	 *
	 * ## AVAILABLE FIELDS
	 *
	 * These fields will be displayed by default for each location:
	 *
	 * * name
	 * * description
	 *
	 * ## EXAMPLES
	 *
	 *     wp menu location list
	 *
	 * @subcommand list
	 */
	public function list_( $_, $assoc_args ) {

		$locations = get_registered_nav_menus();
		$location_objs = array();
		foreach( $locations as $location => $description ) {
			$location_obj = new \stdClass;
			$location_obj->location = $location;
			$location_obj->description = $description;
			$location_objs[] = $location_obj;
		}

		$formatter = new \WP_CLI\Formatter( $assoc_args, array( 'location', 'description' ) );
		$formatter->display_items( $location_objs );
	}

	/**
	 * Assign a location to a menu
	 *
	 * <menu>
	 * : The name, slug, or term ID for the menu
	 *
	 * <location>
	 * : Location's slug
	 *
	 * ## EXAMPLES
	 *
	 *     wp menu location assign primary-menu primary
	 *
	 * @subcommand assign
	 */
	public function assign( $args, $_ ) {

		list( $menu, $location ) = $args;

		$menu = wp_get_nav_menu_object( $menu );
		if ( ! $menu || is_wp_error( $menu ) ) {
			WP_CLI::error( "Invalid menu." );
		}

		$locations = get_registered_nav_menus();
		if ( ! array_key_exists( $location, $locations ) ) {
			WP_CLI::error( "Invalid location." );
		}

		$locations = get_nav_menu_locations();
		$locations[ $location ] = $menu->term_id;

		set_theme_mod( 'nav_menu_locations', $locations );

		WP_CLI::success( "Assigned location to menu." );
	}

	/**
	 * Remove a location from a menu
	 *
	 * <menu>
	 * : The name, slug, or term ID for the menu
	 *
	 * <location>
	 * : Location's slug
	 *
	 * ## EXAMPLES
	 *
	 *     wp menu location remove primary-menu primary
	 *
	 * @subcommand remove
	 */
	public function remove( $args, $_ ) {

		list( $menu, $location ) = $args;

		$menu = wp_get_nav_menu_object( $menu );
		if ( ! $menu || is_wp_error( $menu ) ) {
			WP_CLI::error( "Invalid menu." );
		}

		$locations = get_nav_menu_locations();
		if ( \WP_CLI\Utils\get_flag_value( $locations, $location ) != $menu->term_id ) {
			WP_CLI::error( "Menu isn't assigned to location." );
		}

		$locations[ $location ] = 0;
		set_theme_mod( 'nav_menu_locations', $locations );

		WP_CLI::success( "Removed location from menu." );

	}


}

WP_CLI::add_command( 'menu', 'Menu_Command' );
WP_CLI::add_command( 'menu item', 'Menu_Item_Command' );
WP_CLI::add_command( 'menu location', 'Menu_Location_Command' );
<?php

/**
 * Manage network custom fields.
 *
 * ## OPTIONS
 *
 * <id>
 * : The network id (usually 1).
 *
 * --format=json
 * : Encode/decode values as JSON.
 *
 * ## EXAMPLES
 *
 *     # get a list of super-admins
 *     wp network meta get 1 site_admins
 */
class Network_Meta_Command extends \WP_CLI\CommandWithMeta {
	protected $meta_type = 'site';
}

WP_CLI::add_command( 'network meta', 'Network_Meta_Command', array(
	'before_invoke' => function () {
		if ( !is_multisite() ) {
			WP_CLI::error( 'This is not a multisite install.' );
		}
	}
) );

<?php

/**
 * Manage options.
 *
 * ## OPTIONS
 *
 * [--format=json]
 * : Encode/decode values as JSON.
 *
 * ## EXAMPLES
 *
 *     wp option get siteurl
 *
 *     wp option add my_option foobar
 *
 *     wp option update my_option '{"foo": "bar"}' --format=json
 *
 *     wp option delete my_option
 */
class Option_Command extends WP_CLI_Command {

	/**
	 * Get an option.
	 *
	 * <key>
	 * : Key for the option
	 *
	 * [--format=<format>]
	 * : Get value as var_export() or JSON. Default: var_export()
	 */
	public function get( $args, $assoc_args ) {
		list( $key ) = $args;

		$value = get_option( $key );

		if ( false === $value )
			die(1);

		WP_CLI::print_value( $value, $assoc_args );
	}

	/**
	 * Add an option.
	 *
	 * ## OPTIONS
	 *
	 * <key>
	 * : The name of the option to add.
	 *
	 * [<value>]
	 * : The value of the option to add. If ommited, the value is read from STDIN.
	 *
	 * [--format=<format>]
	 * : The serialization format for the value. Default is plaintext.
	 *
	 * [--autoload=<autoload>]
	 * : Should this option be automatically loaded. Accepted values: yes, no. Default: yes
	 *
	 * ## EXAMPLES
	 *
	 *     # Create an option by reading a JSON file
	 *     wp option add my_option --format=json < config.json
	 */
	public function add( $args, $assoc_args ) {
		$key = $args[0];

		$value = WP_CLI::get_value_from_arg_or_stdin( $args, 1 );
		$value = WP_CLI::read_value( $value, $assoc_args );

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'autoload' ) === 'no' ) {
			$autoload = 'no';
		} else {
			$autoload = 'yes';
		}

		if ( !add_option( $key, $value, '', $autoload ) ) {
			WP_CLI::error( "Could not add option '$key'. Does it already exist?" );
		} else {
			WP_CLI::success( "Added '$key' option." );
		}
	}

	/**
	 * List options.
	 *
	 * [--search=<pattern>]
	 * : Use wildcards ( * and ? ) to match option name.
	 *
	 * [--autoload=<value>]
	 * : Match only autoload options when value is on, and only not-autoload option when off.
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific object fields.
	 *
	 * [--format=<format>]
	 * : The serialization format for the value. total_bytes displays the total size of matching options in bytes. Accepted values: table, json, csv, count, total_bytes. Default: table
	 *
	 * ## EXAMPLES
	 *
	 *     # Get the total size of all autoload options
	 *     wp option list --autoload=on --format=total_bytes
	 *
	 *     # Find biggest transients
	 *     wp option list --search="*_transient_*" --fields=option_name,size_bytes | sort -n -k 2 | tail
	 *
	 *     # List all options begining with "i2f_"
	 *     wp option list --search "i2f_*"
	 *
	 * ## AVAILABLE FIELDS
	 *
	 * This field will be displayed by default for each matching option:
	 *
	 * * option_name
	 * * option_value
	 *
	 * These fields are optionally available:
	 *
	 * * autoload
	 * * size_bytes
	 *
	 * @subcommand list
	 */
	public function list_( $args, $assoc_args ) {

		global $wpdb;
		$pattern = '%';
		$fields = array( 'option_name', 'option_value' );
		$size_query = ",LENGTH(option_value) AS `size_bytes`";
		$autoload_query = '';

		if ( isset( $assoc_args['search'] ) ) {
			$pattern = self::esc_like( $assoc_args['search'] );
			// substitute wildcards
			$pattern = str_replace( '*', '%', $pattern );
			$pattern = str_replace( '?', '_', $pattern );
		}

		if ( isset( $assoc_args['fields'] ) ) {
			$fields = explode( ',', $assoc_args['fields'] );
		}

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'format' ) === 'total_bytes' ) {
			$fields = array( 'size_bytes' );
			$size_query = ",SUM(LENGTH(option_value)) AS `size_bytes`";
		}

		if ( isset( $assoc_args['autoload'] ) ) {
			if ( 'on' === $assoc_args['autoload'] ) {
				$autoload_query = " AND autoload='yes'";
			} elseif ( 'off' === $assoc_args['autoload'] ) {
				$autoload_query = " AND autoload='no'";
			} else {
				WP_CLI::error( "Value of '--autoload' should be on or off." );
			}
		}

		$results = $wpdb->get_results(
			$wpdb->prepare(
				"SELECT `option_name`,`option_value`,`autoload`" . $size_query
					. " FROM `$wpdb->options` WHERE `option_name` LIKE %s" . $autoload_query,
				$pattern
			)
		);

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'format' ) === 'total_bytes' ) {
			WP_CLI::line( $results[0]->size_bytes );
		} else {
			$formatter = new \WP_CLI\Formatter(
				$assoc_args,
				$fields
			);
			$formatter->display_items( $results );
		}
	}

	/**
	 * Update an option.
	 *
	 * ## OPTIONS
	 *
	 * <key>
	 * : The name of the option to add.
	 *
	 * [<value>]
	 * : The new value. If ommited, the value is read from STDIN.
	 *
	 * [--autoload=<autoload>]
	 * : Requires WP 4.2. Should this option be automatically loaded. Accepted values: yes, no. Default: yes
	 *
	 * [--format=<format>]
	 * : The serialization format for the value. Default is plaintext.
	 *
	 * ## EXAMPLES
	 *
	 *     # Update an option by reading from a file
	 *     wp option update my_option < value.txt
	 *
	 *     # Update one option on multiple sites using xargs
	 *     wp site list --field=url | xargs -n1 -I {} sh -c 'wp --url={} option update <key> <value>'
	 *
	 * @alias set
	 */
	public function update( $args, $assoc_args ) {
		$key = $args[0];

		$value = WP_CLI::get_value_from_arg_or_stdin( $args, 1 );
		$value = WP_CLI::read_value( $value, $assoc_args );

		$autoload = \WP_CLI\Utils\get_flag_value( $assoc_args, 'autoload' );
		if ( ! in_array( $autoload, array( 'yes', 'no' ) ) ) {
			$autoload = null;
		}

		$value = sanitize_option( $key, $value );
		$old_value = sanitize_option( $key, get_option( $key ) );

		if ( $value === $old_value && is_null( $autoload ) ) {
			WP_CLI::success( "Value passed for '$key' option is unchanged." );
		} else {
			if ( update_option( $key, $value, $autoload ) ) {
				WP_CLI::success( "Updated '$key' option." );
			} else {
				WP_CLI::error( "Could not update option '$key'." );
			}
		}
	}

	/**
	 * Delete an option.
	 *
	 * <key>
	 * : Key for the option.
	 */
	public function delete( $args ) {
		list( $key ) = $args;

		if ( !delete_option( $key ) ) {
			WP_CLI::error( "Could not delete '$key' option. Does it exist?" );
		} else {
			WP_CLI::success( "Deleted '$key' option." );
		}
	}

	private static function esc_like( $old ) {
		global $wpdb;

		// Remove notices in 4.0 and support backwards compatibility
		if( method_exists( $wpdb, 'esc_like' ) ) {
			// 4.0
			$old = $wpdb->esc_like( $old );
		} else {
			// 3.9 or less
			$old = like_escape( esc_sql( $old ) );
		}

		return $old;
	}
}

WP_CLI::add_command( 'option', 'Option_Command' );
<?php

use \WP_CLI\Utils;

/**
 * Manage plugins.
 *
 * @package wp-cli
 */
class Plugin_Command extends \WP_CLI\CommandWithUpgrade {

	protected $item_type = 'plugin';
	protected $upgrade_refresh = 'wp_update_plugins';
	protected $upgrade_transient = 'update_plugins';

	protected $obj_fields = array(
		'name',
		'status',
		'update',
		'version'
	);

	function __construct() {
		require_once ABSPATH.'wp-admin/includes/plugin.php';
		require_once ABSPATH.'wp-admin/includes/plugin-install.php';

		parent::__construct();

		$this->fetcher = new \WP_CLI\Fetchers\Plugin;
	}

	protected function get_upgrader_class( $force ) {
		return $force ? '\\WP_CLI\\DestructivePluginUpgrader' : 'Plugin_Upgrader';
	}

	/**
	 * See the status of one or all plugins.
	 *
	 * ## OPTIONS
	 *
	 * [<plugin>]
	 * : A particular plugin to show the status for.
	 */
	function status( $args ) {
		parent::status( $args );
	}

	/**
	 * Search the wordpress.org plugin repository.
	 *
	 * ## OPTIONS
	 *
	 * <search>
	 * : The string to search for.
	 *
	 * [--per-page=<per-page>]
	 * : Optional number of results to display. Defaults to 10.
	 *
	 * [--field=<field>]
	 * : Prints the value of a single field for each plugin.
	 *
	 * [--fields=<fields>]
	 * : Ask for specific fields from the API. Defaults to name,slug,author_profile,rating. Acceptable values:
	 *
	 *     **name**: Plugin Name
	 *     **slug**: Plugin Slug
	 *     **version**: Current Version Number
	 *     **author**: Plugin Author
	 *     **author_profile**: Plugin Author Profile
	 *     **contributors**: Plugin Contributors
	 *     **requires**: Plugin Minimum Requirements
	 *     **tested**: Plugin Tested Up To
	 *     **compatibility**: Plugin Compatible With
	 *     **rating**: Plugin Rating
	 *     **num_ratings**: Number of Plugin Ratings
	 *     **homepage**: Plugin Author's Homepage
	 *     **description**: Plugin's Description
	 *     **short_description**: Plugin's Short Description
	 *
	 * [--format=<format>]
	 * : Accepted values: table, csv, json, count. Default: table
	 *
	 * ## EXAMPLES
	 *
	 *     wp plugin search dsgnwrks --per-page=20 --format=json
	 *
	 *     wp plugin search dsgnwrks --fields=name,version,slug,rating,num_ratings
	 */
	public function search( $args, $assoc_args ) {
		parent::_search( $args, $assoc_args );
	}

	protected function status_single( $args ) {
		$plugin = $this->fetcher->get_check( $args[0] );
		$file = $plugin->file;

		$details = $this->get_details( $file );

		$status = $this->format_status( $this->get_status( $file ), 'long' );

		$version = $details['Version'];

		if ( $this->has_update( $file ) )
			$version .= ' (%gUpdate available%n)';

		echo WP_CLI::colorize( \WP_CLI\Utils\mustache_render( 'plugin-status.mustache', array(
			'slug' => Utils\get_plugin_name( $file ),
			'status' => $status,
			'version' => $version,
			'name' => $details['Name'],
			'author' => $details['Author'],
			'description' => $details['Description']
		) ) );
	}

	protected function get_all_items() {
		$items = $this->get_item_list();

		foreach ( get_mu_plugins() as $file => $mu_plugin ) {
			$mu_version = '';
			if ( ! empty( $mu_plugin['Version'] ) ) {
				$mu_version = $mu_plugin['Version'];
			}

			$items[ $file ] = array(
				'name'           => Utils\get_plugin_name( $file ),
				'status'         => 'must-use',
				'update'         => false,
				'update_version' => NULL,
				'update_package' => NULL,
				'version'        => $mu_version,
				'update_id'      => '',
				'title'          => '',
				'description'    => '',
			);
		}

		return $items;
	}

	/**
	 * Activate a plugin.
	 *
	 * ## OPTIONS
	 *
	 * [<plugin>...]
	 * : One or more plugins to activate.
	 *
	 * [--all]
	 * : If set, all plugins will be activated.
	 *
	 * [--network]
	 * : If set, the plugin will be activated for the entire multisite network.
	 */
	function activate( $args, $assoc_args = array() ) {
		$network_wide = \WP_CLI\Utils\get_flag_value( $assoc_args, 'network' );

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'all' ) ) {
			$args = array_map( function( $file ){
				return Utils\get_plugin_name( $file );
			}, array_keys( get_plugins() ) );
		}

		foreach ( $this->fetcher->get_many( $args ) as $plugin ) {
			$status = $this->get_status( $plugin->file );
			// Network-active is the highest level of activation status
			if ( 'active-network' === $status ) {
				WP_CLI::warning( "Plugin '{$plugin->name}' is already network active." );
				continue;
			}
			// Don't reactivate active plugins, but do let them become network-active
			if ( ! $network_wide && 'active' === $status ) {
				WP_CLI::warning( "Plugin '{$plugin->name}' is already active." );
				continue;
			}

			// Plugins need to be deactivated before being network activated
			if ( $network_wide && 'active' === $status ) {
				deactivate_plugins( $plugin->file, false, false );
			}

			activate_plugin( $plugin->file, '', $network_wide );

			$this->active_output( $plugin->name, $plugin->file, $network_wide, "activate" );
		}

	}

	/**
	 * Deactivate a plugin.
	 *
	 * ## OPTIONS
	 *
	 * [<plugin>...]
	 * : One or more plugins to deactivate.
	 *
	 * [--uninstall]
	 * : Uninstall the plugin after deactivation.
	 *
	 * [--all]
	 * : If set, all plugins will be deactivated.
	 *
	 * [--network]
	 * : If set, the plugin will be deactivated for the entire multisite network.
	 */
	function deactivate( $args, $assoc_args = array() ) {
		$network_wide = \WP_CLI\Utils\get_flag_value( $assoc_args, 'network' );
		$disable_all = \WP_CLI\Utils\get_flag_value( $assoc_args, 'all' );

		if ( $disable_all ) {
			$args = array_map( function( $file ){
				return Utils\get_plugin_name( $file );
			}, array_keys( get_plugins() ) );
		}

		foreach ( $this->fetcher->get_many( $args ) as $plugin ) {

			$status = $this->get_status( $plugin->file );
			// Network active plugins must be explicitly deactivated
			if ( ! $network_wide && 'active-network' === $status ) {
				WP_CLI::warning( "Plugin '{$plugin->name}' is network active and must be deactivated with --network flag." );
				continue;
			}

			if ( ! in_array( $status, array( 'active', 'active-network' ) ) ) {
				WP_CLI::warning( "Plugin '{$plugin->name}' isn't active." );
				continue;
			}

			deactivate_plugins( $plugin->file, false, $network_wide );

			$this->active_output( $plugin->name, $plugin->file, $network_wide, "deactivate" );

			if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'uninstall' ) ) {
				WP_CLI::log( "Uninstalling '{$plugin->name}'..." );
				$this->uninstall( array( $plugin->name ) );
			}

		}
	}

	/**
	 * Toggle a plugin's activation state.
	 *
	 * ## OPTIONS
	 *
	 * <plugin>...
	 * : One or more plugins to toggle.
	 *
	 * [--network]
	 * : If set, the plugin will be toggled for the entire multisite network.
	 */
	function toggle( $args, $assoc_args = array() ) {
		$network_wide = \WP_CLI\Utils\get_flag_value( $assoc_args, 'network' );

		foreach ( $this->fetcher->get_many( $args ) as $plugin ) {
			if ( $this->check_active( $plugin->file, $network_wide ) ) {
				$this->deactivate( array( $plugin->name ), $assoc_args );
			} else {
				$this->activate( array( $plugin->name ), $assoc_args );
			}
		}
	}

	/**
	 * Get the path to a plugin or to the plugin directory.
	 *
	 * ## OPTIONS
	 *
	 * [<plugin>]
	 * : The plugin to get the path to. If not set, will return the path to the
	 * plugins directory.
	 *
	 * [--dir]
	 * : If set, get the path to the closest parent directory, instead of the
	 * plugin file.
	 *
	 * ## EXAMPLES
	 *
	 *     cd $(wp plugin path)
	 */
	function path( $args, $assoc_args ) {
		$path = untrailingslashit( WP_PLUGIN_DIR );

		if ( !empty( $args ) ) {
			$plugin = $this->fetcher->get_check( $args[0] );
			$path .= '/' . $plugin->file;

			if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'dir' ) )
				$path = dirname( $path );
		}

		WP_CLI::line( $path );
	}

	protected function install_from_repo( $slug, $assoc_args ) {
		$api = plugins_api( 'plugin_information', array( 'slug' => $slug ) );

		if ( is_wp_error( $api ) ) {
			return $api;
		}

		if ( isset( $assoc_args['version'] ) ) {
			self::alter_api_response( $api, $assoc_args['version'] );
		}

		$status = install_plugin_install_status( $api );

		if ( ! \WP_CLI\Utils\get_flag_value( $assoc_args, 'force' ) && 'install' != $status['status'] ) {
			// We know this will fail, so avoid a needless download of the package.
			return new WP_Error( 'already_installed', 'Plugin already installed.' );
		}

		WP_CLI::log( sprintf( 'Installing %s (%s)', html_entity_decode( $api->name, ENT_QUOTES ), $api->version ) );
		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'version' ) != 'dev' ) {
			WP_CLI::get_http_cache_manager()->whitelist_package( $api->download_link, $this->item_type, $api->slug, $api->version );
		}
		$result = $this->get_upgrader( $assoc_args )->install( $api->download_link );

		return $result;
	}

	/**
	 * Update one or more plugins.
	 *
	 * ## OPTIONS
	 *
	 * [<plugin>...]
	 * : One or more plugins to update.
	 *
	 * [--all]
	 * : If set, all plugins that have updates will be updated.
	 *
	 * [--format=<format>]
	 * : Output summary as table or summary. Defaults to table.
	 *
	 * [--version=<version>]
	 * : If set, the plugin will be updated to the specified version.
	 *
	 * [--dry-run]
	 * : Preview which plugins would be updated.
	 *
	 * ## EXAMPLES
	 *
	 *     wp plugin update bbpress --version=dev
	 *
	 *     wp plugin update --all
	 *
	 * @alias upgrade
	 */
	function update( $args, $assoc_args ) {
		if ( isset( $assoc_args['version'] ) ) {
			foreach ( $this->fetcher->get_many( $args ) as $plugin ) {
				$assoc_args['force'] = 1;
				$this->install( array( $plugin->name ), $assoc_args );
			}
		} else {
			parent::update_many( $args, $assoc_args );
		}
	}

	protected function get_item_list() {
		$items = $duplicate_names = array();

		foreach ( get_plugins() as $file => $details ) {
			$update_info = $this->get_update_info( $file );

			$name = Utils\get_plugin_name( $file );
			if ( ! isset( $duplicate_names[ $name ] ) ) {
				$duplicate_names[ $name ] = array();
			}
			$duplicate_names[ $name ][] = $file;
			$items[ $file ] = array(
				'name' => $name,
				'status' => $this->get_status( $file ),
				'update' => (bool) $update_info,
				'update_version' => $update_info['new_version'],
				'update_package' => $update_info['package'],
				'version' => $details['Version'],
				'update_id' => $file,
				'title' => $details['Name'],
				'description' => $details['Description'],
			);
		}

		foreach( $duplicate_names as $name => $files ) {
			if ( count( $files ) <= 1 ) {
				continue;
			}
			foreach( $files as $file ) {
				$items[ $file ]['name'] = str_replace( '.' . pathinfo( $file, PATHINFO_EXTENSION ), '', $file ); 
			}
		}

		return $items;
	}

	protected function filter_item_list( $items, $args ) {
		$basenames = wp_list_pluck( $this->fetcher->get_many( $args ), 'file' );
		return \WP_CLI\Utils\pick_fields( $items, $basenames );
	}

	/**
	 * Install a plugin.
	 *
	 * ## OPTIONS
	 *
	 * <plugin|zip|url>...
	 * : A plugin slug, the path to a local zip file, or URL to a remote zip file.
	 *
	 * [--version=<version>]
	 * : If set, get that particular version from wordpress.org, instead of the
	 * stable version.
	 *
	 * [--force]
	 * : If set, the command will overwrite any installed version of the plugin, without prompting
	 * for confirmation.
	 *
	 * [--activate]
	 * : If set, the plugin will be activated immediately after install.
	 *
	 * [--activate-network]
	 * : If set, the plugin will be network activated immediately after install
	 *
	 * ## EXAMPLES
	 *
	 *     # Install the latest version from wordpress.org and activate
	 *     wp plugin install bbpress --activate
	 *
	 *     # Install the development version from wordpress.org
	 *     wp plugin install bbpress --version=dev
	 *
	 *     # Install from a local zip file
	 *     wp plugin install ../my-plugin.zip
	 *
	 *     # Install from a remote zip file
	 *     wp plugin install http://s3.amazonaws.com/bucketname/my-plugin.zip?AWSAccessKeyId=123&Expires=456&Signature=abcdef
	 */
	function install( $args, $assoc_args ) {

		if ( ! is_dir( WP_PLUGIN_DIR ) ) {
			wp_mkdir_p( WP_PLUGIN_DIR );
		}

		parent::install( $args, $assoc_args );
	}

	/**
	 * Get a plugin.
	 *
	 * ## OPTIONS
	 *
	 * <plugin>
	 * : The plugin to get.
	 *
	 * [--field=<field>]
	 * : Instead of returning the whole plugin, returns the value of a single field.
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific fields. Defaults to all fields.
	 *
	 * [--format=<format>]
	 * : Output list as table, json, CSV. Defaults to table.
	 *
	 * ## EXAMPLES
	 *
	 *     wp plugin get bbpress --format=json
	 */
	public function get( $args, $assoc_args ) {
		$plugin = $this->fetcher->get_check( $args[0] );
		$file = $plugin->file;

		$plugin_data = get_plugin_data( WP_PLUGIN_DIR . '/' . $file, false, false );

		$plugin_obj = (object)array(
			'name'        => Utils\get_plugin_name( $file ),
			'title'       => $plugin_data['Name'],
			'author'      => $plugin_data['Author'],
			'version'     => $plugin_data['Version'],
			'description' => wordwrap( $plugin_data['Description'] ),
			'status'      => $this->get_status( $file ),
		);

		if ( empty( $assoc_args['fields'] ) ) {
			$plugin_array = get_object_vars( $plugin_obj );
			$assoc_args['fields'] = array_keys( $plugin_array );
		}

		$formatter = $this->get_formatter( $assoc_args );
		$formatter->display_item( $plugin_obj );
	}

	/**
	 * Uninstall a plugin.
	 *
	 * ## OPTIONS
	 *
	 * <plugin>...
	 * : One or more plugins to uninstall.
	 *
	 * [--deactivate]
	 * : Deactivate the plugin before uninstalling. Default behavior is to warn and skip if the plugin is active.
	 *
	 * [--skip-delete]
	 * : If set, the plugin files will not be deleted. Only the uninstall procedure
	 * will be run.
	 *
	 * ## EXAMPLES
	 *
	 *     wp plugin uninstall hello
	 */
	function uninstall( $args, $assoc_args = array() ) {
		foreach ( $this->fetcher->get_many( $args ) as $plugin ) {
			if ( is_plugin_active( $plugin->file ) && ! WP_CLI\Utils\get_flag_value( $assoc_args, 'deactivate' ) ) {
				WP_CLI::warning( "The '{$plugin->name}' plugin is active." );
				continue;
			}

			if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'deactivate' ) ) {
				WP_CLI::log( "Deactivating '{$plugin->name}'..." );
				$this->deactivate( array( $plugin->name ) );
			}

			uninstall_plugin( $plugin->file );

			if ( ! \WP_CLI\Utils\get_flag_value( $assoc_args, 'skip-delete' ) && $this->_delete( $plugin ) ) {
				WP_CLI::success( "Uninstalled and deleted '$plugin->name' plugin." );
			} else {
				WP_CLI::success( "Ran uninstall procedure for '$plugin->name' plugin without deleting." );
			}
		}
	}

	/**
	 * Check if the plugin is installed.
	 *
	 * ## OPTIONS
	 *
	 * <plugin>
	 * : The plugin to check.
	 *
	 * ## EXAMPLES
	 *
	 *     wp plugin is-installed hello
	 *
	 * @subcommand is-installed
	 */
	function is_installed( $args, $assoc_args = array() ) {
		if ( $this->fetcher->get( $args[0] ) ) {
			exit( 0 );
		} else {
			exit( 1 );
		}
	}

	/**
	 * Delete plugin files without deactivating or uninstalling.
	 *
	 * ## OPTIONS
	 *
	 * <plugin>...
	 * : One or more plugins to delete.
	 *
	 * ## EXAMPLES
	 *
	 *     wp plugin delete hello
	 *
	 *     # Delete inactive plugins
	 *     wp plugin delete $(wp plugin list --status=inactive --field=name)
	 */
	function delete( $args, $assoc_args = array() ) {
		foreach ( $this->fetcher->get_many( $args ) as $plugin ) {
			if ( $this->_delete( $plugin ) ) {
				WP_CLI::success( "Deleted '{$plugin->name}' plugin." );
			}
		}
	}

	/**
	 * Get a list of plugins.
	 *
	 * ## OPTIONS
	 *
	 * [--<field>=<value>]
	 * : Filter results based on the value of a field.
	 *
	 * [--field=<field>]
	 * : Prints the value of a single field for each plugin.
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific object fields.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, csv, json, count. Default: table
	 *
	 * ## AVAILABLE FIELDS
	 *
	 * These fields will be displayed by default for each plugin:
	 *
	 * * name
	 * * status
	 * * update
	 * * version
	 *
	 * These fields are optionally available:
	 *
	 * * update_version
	 * * update_package
	 * * update_id
	 * * title
	 * * description
	 *
	 * ## EXAMPLES
	 *
	 *     wp plugin list --status=active --format=json
	 *
	 *     # List plugins on each site in a network
	 *     wp site list --field=url | xargs -n 1 -I % wp plugin list --url=%
	 *
	 * @subcommand list
	 */
	public function list_( $_, $assoc_args ) {
		parent::_list( $_, $assoc_args );
	}

	/* PRIVATES */

	private function check_active( $file, $network_wide ) {
		$required = $network_wide ? 'active-network' : 'active';

		return $required == $this->get_status( $file );
	}

	private function active_output( $name, $file, $network_wide, $action ) {
		$network_wide = $network_wide || ( is_multisite() && is_network_only_plugin( $file ) );

		$check = $this->check_active( $file, $network_wide );

		if ( ( $action == "activate" ) ? $check : ! $check ) {
			if ( $network_wide )
				WP_CLI::success( "Plugin '{$name}' network {$action}d." );
			else
				WP_CLI::success( "Plugin '{$name}' {$action}d." );
		} else {
			WP_CLI::warning( "Could not {$action} the '{$name}' plugin." );
		}
	}

	protected function get_status( $file ) {
		if ( is_plugin_active_for_network( $file ) )
			return 'active-network';

		if ( is_plugin_active( $file ) )
			return 'active';

		return 'inactive';
	}

	/**
	 * Get the details of a plugin.
	 *
	 * @param object
	 * @return array
	 */
	private function get_details( $file ) {
		$plugin_folder = get_plugins(  '/' . plugin_basename( dirname( $file ) ) );
		$plugin_file = basename( $file );

		return $plugin_folder[$plugin_file];
	}

	private function _delete( $plugin ) {
		$plugin_dir = dirname( $plugin->file );
		if ( '.' == $plugin_dir )
			$plugin_dir = $plugin->file;

		$path = path_join( WP_PLUGIN_DIR, $plugin_dir );

		if ( \WP_CLI\Utils\is_windows() ) {
			// Handles plugins that are not in own folders 
			// e.g. Hello Dolly -> plugins/hello.php
			if ( is_file( $path ) ) {			 
				$command = 'del /f /q ';
			} else {
				$command = 'rd /s /q ';			
			}
			$path = str_replace( "/", "\\", $path );
		} else {
			$command = 'rm -rf ';
		}

		return ! WP_CLI::launch( $command . $path );
	}
}

WP_CLI::add_command( 'plugin', 'Plugin_Command' );
<?php
/**
 * Manage post types.
 *
 * @package wp-cli
 */
class Post_Type_Command extends WP_CLI_Command {

	private $fields = array(
		'name',
		'label',
		'description',
		'hierarchical',
		'public',
		'capability_type',
	);

	/**
	 * List post types.
	 *
	 * ## OPTIONS
	 *
	 * [--<field>=<value>]
	 * : Filter by one or more fields (see get_post_types() first parameter for a list of available fields).
	 *
	 * [--field=<field>]
	 * : Prints the value of a single field for each post type.
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific post type fields.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, csv, json, count. Default: table
	 *
	 * ## AVAILABLE FIELDS
	 *
	 * These fields will be displayed by default for each term:
	 *
	 * * name
	 * * label
	 * * description
	 * * hierarchical
	 * * public
	 * * capability_type
	 *
	 * There are no optionally available fields.
	 *
	 * ## EXAMPLES
	 *
	 *     wp post-type list --format=csv
	 *
	 *     wp post-type list --object-type=post --fields=name,public
	 *
	 * @subcommand list
	 */
	public function list_( $args, $assoc_args ) {
		$formatter = $this->get_formatter( $assoc_args );

		$types = get_post_types( $assoc_args, 'objects' );

		$formatter->display_items( $types );
	}

	/**
	 * Get a post type
	 *
	 * ## OPTIONS
	 *
	 * <post-type>
	 * : Post type slug
	 *
	 * [--field=<field>]
	 * : Instead of returning the whole taxonomy, returns the value of a single field.
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific fields. Defaults to all fields.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, json, csv. Default: table
	 *
	 * ## EXAMPLES
	 *
	 *     wp post-type get page --format=json
	 */
	public function get( $args, $assoc_args ) {
		$post_type = get_post_type_object( $args[0] );

		if ( ! $post_type ) {
			WP_CLI::error( "Post type {$args[0]} doesn't exist." );
		}

		if ( empty( $assoc_args['fields'] ) ) {
			$default_fields = array_merge( $this->fields, array(
				'labels',
				'cap'
			) );

			$assoc_args['fields'] = $default_fields;
		}

		$data = array(
			'name'            => $post_type->name,
			'label'           => $post_type->label,
			'description'     => $post_type->description,
			'hierarchical'    => $post_type->hierarchical,
			'public'          => $post_type->public,
			'capability_type' => $post_type->capability_type,
			'labels'          => $post_type->labels,
			'cap'             => $post_type->cap,
		);

		$formatter = $this->get_formatter( $assoc_args );
		$formatter->display_item( $data );
	}

	private function get_formatter( &$assoc_args ) {
		return new \WP_CLI\Formatter( $assoc_args, $this->fields, 'post-type' );
	}
}

WP_CLI::add_command( 'post-type', 'Post_Type_Command' );
<?php

/**
 * Manage posts.
 *
 * @package wp-cli
 */
class Post_Command extends \WP_CLI\CommandWithDBObject {

	protected $obj_type = 'post';
	protected $obj_fields = array(
		'ID',
		'post_title',
		'post_name',
		'post_date',
		'post_status'
	);

	public function __construct() {
		$this->fetcher = new \WP_CLI\Fetchers\Post;
	}

	/**
	 * Create a post.
	 *
	 * ## OPTIONS
	 *
	 * [<file>]
	 * : Read post content from <file>. If this value is present, the
	 *     `--post_content` argument will be ignored.
	 *
	 *   Passing `-` as the filename will cause post content to
	 *   be read from STDIN.
	 *
	 * [--<field>=<value>]
	 * : Associative args for the new post. See wp_insert_post().
	 *
	 * [--edit]
	 * : Immediately open system's editor to write or edit post content.
	 *
	 *   If content is read from a file, from STDIN, or from the `--post_content`
	 *   argument, that text will be loaded into the editor.
	 *
	 * [--porcelain]
	 * : Output just the new post id.
	 *
	 * ## EXAMPLES
	 *
	 *     wp post create --post_type=page --post_title='A future post' --post_status=future --post_date='2020-12-01 07:00:00'
	 *
	 *     wp post create ./post-content.txt --post_category=201,345 --post_title='Post from file'
	 */
	public function create( $args, $assoc_args ) {
		if ( ! empty( $args[0] ) ) {
			$assoc_args['post_content'] = $this->read_from_file_or_stdin( $args[0] );
		}

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'edit' ) ) {
			$input = \WP_CLI\Utils\get_flag_value( $assoc_args, 'post_content', '' );

			if ( $output = $this->_edit( $input, 'WP-CLI: New Post' ) )
				$assoc_args['post_content'] = $output;
			else
				$assoc_args['post_content'] = $input;
		}

		if ( isset( $assoc_args['post_category'] ) ) {
			$assoc_args['post_category'] = explode( ',', $assoc_args['post_category'] );
		}

		parent::_create( $args, $assoc_args, function ( $params ) {
			return wp_insert_post( $params, true );
		} );
	}

	/**
	 * Update one or more posts.
	 *
	 * ## OPTIONS
	 *
	 * <id>...
	 * : One or more IDs of posts to update.
	 *
	 * [<file>]
	 * : Read post content from <file>. If this value is present, the
	 *     `--post_content` argument will be ignored.
	 *
	 *   Passing `-` as the filename will cause post content to
	 *   be read from STDIN.
	 *
	 * --<field>=<value>
	 * : One or more fields to update. See wp_update_post().
	 *
	 * [--defer-term-counting]
	 * : Recalculate term count in batch, for a performance boost.
	 *
	 * ## EXAMPLES
	 *
	 *     wp post update 123 --post_name=something --post_status=draft
	 */
	public function update( $args, $assoc_args ) {

		foreach( $args as $key => $arg ) {
			if ( is_numeric( $arg ) ) {
				continue;
			}

			$assoc_args['post_content'] = $this->read_from_file_or_stdin( $arg );
			unset( $args[ $key ] );
			break;
		}

		if ( isset( $assoc_args['post_category'] ) ) {
			$assoc_args['post_category'] = explode( ',', $assoc_args['post_category'] );
		}

		parent::_update( $args, $assoc_args, function ( $params ) {
			return wp_update_post( $params, true );
		} );
	}

	/**
	 * Launch system editor to edit post content.
	 *
	 * ## OPTIONS
	 *
	 * <id>
	 * : The ID of the post to edit.
	 *
	 * ## EXAMPLES
	 *
	 *     wp post edit 123
	 */
	public function edit( $args, $_ ) {
		$post = $this->fetcher->get_check( $args[0] );

		$r = $this->_edit( $post->post_content, "WP-CLI post {$post->ID}" );

		if ( $r === false )
			\WP_CLI::warning( 'No change made to post content.', 'Aborted' );
		else
			$this->update( $args, array( 'post_content' => $r ) );
	}

	protected function _edit( $content, $title ) {
		$content = apply_filters( 'the_editor_content', $content );
		$output = \WP_CLI\Utils\launch_editor_for_input( $content, $title );
		return ( is_string( $output ) ) ?
			apply_filters( 'content_save_pre', $output ) : $output;
	}

	/**
	 * Get a post's content by ID.
	 *
	 * ## OPTIONS
	 *
	 * <id>
	 * : The ID of the post to get.
	 *
	 * [--field=<field>]
	 * : Instead of returning the whole post, returns the value of a single field.
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific fields. Defaults to all fields.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, json, csv. Default: table
	 *
	 * ## EXAMPLES
	 *
	 *     # save the post content to a file
	 *     wp post get 12 --field=content > file.txt
	 */
	public function get( $args, $assoc_args ) {
		$post = $this->fetcher->get_check( $args[0] );

		$post_arr = get_object_vars( $post );
		unset( $post_arr['filter'] );

		if ( empty( $assoc_args['fields'] ) ) {
			$assoc_args['fields'] = array_keys( $post_arr );
		}

		$formatter = $this->get_formatter( $assoc_args );
		$formatter->display_item( $post_arr );
	}

	/**
	 * Delete a post by ID.
	 *
	 * ## OPTIONS
	 *
	 * <id>...
	 * : One or more IDs of posts to delete.
	 *
	 * [--force]
	 * : Skip the trash bin.
	 *
	 * [--defer-term-counting]
	 * : Recalculate term count in batch, for a performance boost.
	 *
	 * ## EXAMPLES
	 *
	 *     wp post delete 123 --force
	 *
	 *     wp post delete $(wp post list --post_type='page' --format=ids)
	 *
	 *     # delete all posts in the trash
	 *     wp post delete $(wp post list --post_status=trash --format=ids)
	 */
	public function delete( $args, $assoc_args ) {
		$defaults = array(
			'force' => false
		);
		$assoc_args = array_merge( $defaults, $assoc_args );

		parent::_delete( $args, $assoc_args, function ( $post_id, $assoc_args ) {
			$status = get_post_status( $post_id );
			$r = wp_delete_post( $post_id, $assoc_args['force'] );

			if ( $r ) {
				$action = $assoc_args['force'] || 'trash' === $status ? 'Deleted' : 'Trashed';

				return array( 'success', "$action post $post_id." );
			} else {
				return array( 'error', "Failed deleting post $post_id." );
			}
		} );
	}

	/**
	 * Get a list of posts.
	 *
	 * ## OPTIONS
	 *
	 * [--<field>=<value>]
	 * : One or more args to pass to WP_Query.
	 *
	 * [--field=<field>]
	 * : Prints the value of a single field for each post.
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific object fields.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, csv, json, count, ids. Default: table
	 *
	 * ## AVAILABLE FIELDS
	 *
	 * These fields will be displayed by default for each post:
	 *
	 * * ID
	 * * post_title
	 * * post_name
	 * * post_date
	 * * post_status
	 *
	 * These fields are optionally available:
	 *
	 * * post_author
	 * * post_date_gmt
	 * * post_content
	 * * post_excerpt
	 * * comment_status
	 * * ping_status
	 * * post_password
	 * * to_ping
	 * * pinged
	 * * post_modified
	 * * post_modified_gmt
	 * * post_content_filtered
	 * * post_parent
	 * * guid
	 * * menu_order
	 * * post_type
	 * * post_mime_type
	 * * comment_count
	 * * filter
	 * * url
	 *
	 * ## EXAMPLES
	 *
	 *     wp post list --field=ID
	 *
	 *     wp post list --post_type=post --posts_per_page=5 --format=json
	 *
	 *     wp post list --post_type=page --fields=post_title,post_status
	 *
	 *     wp post list --post_type=page,post --format=ids
	 *
	 *     wp post list --post__in=1,3
	 *
	 * @subcommand list
	 */
	public function list_( $_, $assoc_args ) {
		$formatter = $this->get_formatter( $assoc_args );

		$defaults = array(
			'posts_per_page' => -1,
			'post_status'    => 'any',
		);
		$query_args = array_merge( $defaults, $assoc_args );

		foreach ( $query_args as $key => $query_arg ) {
			if ( false !== strpos( $key, '__' )
				|| ( 'post_type' == $key && 'any' != $query_arg ) ) {
				$query_args[$key] = explode( ',', $query_arg );
			}
		}

		if ( 'ids' == $formatter->format ) {
			$query_args['fields'] = 'ids';
			$query = new WP_Query( $query_args );
			echo implode( ' ', $query->posts );
		} else {
			$query = new WP_Query( $query_args );
			$posts = array_map( function( $post ) {
				$post->url = get_permalink( $post->ID );
				return $post;
			}, $query->posts );
			$formatter->display_items( $posts );
		}
	}

	/**
	 * Generate some posts.
	 *
	 * ## OPTIONS
	 *
	 * [--count=<number>]
	 * : How many posts to generate. Default: 100
	 *
	 * [--post_type=<type>]
	 * : The type of the generated posts. Default: 'post'
	 *
	 * [--post_status=<status>]
	 * : The status of the generated posts. Default: 'publish'
	 *
	 * [--post_author=<login>]
	 * : The author of the generated posts. Default: none
	 *
	 * [--post_date=<yyyy-mm-dd>]
	 * : The date of the generated posts. Default: current date
	 *
	 * [--post_content]
	 * : If set, the command reads the post_content from STDIN.
	 *
	 * [--max_depth=<number>]
	 * : For hierarchical post types, generate child posts down to a certain depth. Default: 1
	 *
	 * ## EXAMPLES
	 *
	 *     wp post generate --count=10 --post_type=page --post_date=1999-01-04
	 *     curl http://loripsum.net/api/5 | wp post generate --post_content --count=10
	 */
	public function generate( $args, $assoc_args ) {
		global $wpdb;

		$defaults = array(
			'count' => 100,
			'max_depth' => 1,
			'post_type' => 'post',
			'post_status' => 'publish',
			'post_author' => false,
			'post_date' => current_time( 'mysql' ),
			'post_content' => '',
		);
		extract( array_merge( $defaults, $assoc_args ), EXTR_SKIP );

		// @codingStandardsIgnoreStart
		if ( !post_type_exists( $post_type ) ) {
			WP_CLI::error( sprintf( "'%s' is not a registered post type.", $post_type ) );
		}

		if ( $post_author ) {
			$user_fetcher = new \WP_CLI\Fetchers\User;
			$post_author = $user_fetcher->get_check( $post_author )->ID;
		}

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'post_content' ) ) {
			$post_content = file_get_contents( 'php://stdin' );
		}

		// Get the total number of posts
		$total = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->posts WHERE post_type = %s", $post_type ) );

		$label = get_post_type_object( $post_type )->labels->singular_name;

		$hierarchical = get_post_type_object( $post_type )->hierarchical;

		$limit = $count + $total;

		$notify = \WP_CLI\Utils\make_progress_bar( 'Generating posts', $count );

		$previous_post_id = 0;
		$current_depth = 1;
		$current_parent = 0;

		for ( $i = $total; $i < $limit; $i++ ) {

			if ( $hierarchical ) {

				if( $this->maybe_make_child() && $current_depth < $max_depth ) {

					$current_parent = $previous_post_id;
					$current_depth++;

				} else if( $this->maybe_reset_depth() ) {

					$current_depth = 1;
					$current_parent = 0;

				}
			}

			$args = array(
				'post_type' => $post_type,
				'post_title' => "$label $i",
				'post_status' => $post_status,
				'post_author' => $post_author,
				'post_parent' => $current_parent,
				'post_name' => "post-$i",
				'post_date' => $post_date,
				'post_content' => $post_content,
			);

			$post_id = wp_insert_post( $args, true );
			if ( is_wp_error( $post_id ) ) {
				WP_CLI::warning( $post_id );
			} else {
				$previous_post_id = $post_id;
			}

			$notify->tick();
		}
		$notify->finish();
		// @codingStandardsIgnoreEnd
	}

	private function maybe_make_child() {
		// 50% chance of making child post
		return ( mt_rand(1, 2) == 1 );
	}

	private function maybe_reset_depth() {
		// 10% chance of reseting to root depth
		return ( mt_rand(1, 10) == 7 );
	}

	/**
	 * Read post content from file or STDIN
	 *
	 * @param string $arg Supplied argument
	 * @return string
	 */
	private function read_from_file_or_stdin( $arg ) {
		if ( $arg !== '-' ) {
			$readfile = $arg;
			if ( ! file_exists( $readfile ) || ! is_file( $readfile ) ) {
				\WP_CLI::error( "Unable to read content from $readfile." );
			}
		} else {
			$readfile = 'php://stdin';
		}
		return file_get_contents( $readfile );
	}
}

/**
 * Manage post custom fields.
 *
 * ## OPTIONS
 *
 * [--format=json]
 * : Encode/decode values as JSON.
 *
 * ## EXAMPLES
 *
 *     wp post meta set 123 _wp_page_template about.php
 */
class Post_Meta_Command extends \WP_CLI\CommandWithMeta {
	protected $meta_type = 'post';

	/**
	 * Check that the post ID exists
	 *
	 * @param int
	 */
	protected function check_object_id( $object_id ) {
		$fetcher = new \WP_CLI\Fetchers\Post;
		$post = $fetcher->get_check( $object_id );
		return $post->ID;
	}
}

/**
 * Manage post terms.
 *
 *
 * ## EXAMPLES
 *
 *     wp post term set 123 test category
 */
class Post_Term_Command extends \WP_CLI\CommandWithTerms {
	protected $obj_type = 'post';

	public function __construct() {
		$this->fetcher = new \WP_CLI\Fetchers\Post;
	}

	protected function get_object_type() {
		$post = $this->fetcher->get_check( $this->get_obj_id() );

		return $post->post_type;
	}
}

WP_CLI::add_command( 'post', 'Post_Command' );
WP_CLI::add_command( 'post meta', 'Post_Meta_Command' );
WP_CLI::add_command( 'post term', 'Post_Term_Command' );

<?php

/**
 * Manage rewrite rules.
 *
 * @package wp-cli
 */
class Rewrite_Command extends WP_CLI_Command {

	/**
	 * Flush rewrite rules.
	 *
	 * ## DESCRIPTION
	 *
	 * Resets WordPress' rewrite rules based on registered post types, etc.
	 *
	 * To regenerate a .htaccess file with WP-CLI, you'll need to add the mod_rewrite module
	 * to your wp-cli.yml or config.yml. For example:
	 *
	 * `apache_modules:
	 *   - mod_rewrite`
	 *
	 * ## OPTIONS
	 *
	 * [--hard]
	 * : Perform a hard flush - update `.htaccess` rules as well as rewrite rules in database. Works only on single site installs.
	 */
	public function flush( $args, $assoc_args ) {
		// make sure we detect mod_rewrite if configured in apache_modules in config
		self::apache_modules();

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'hard' ) && ! in_array( 'mod_rewrite', (array) WP_CLI::get_config( 'apache_modules' ) ) ) {
			WP_CLI::warning( "Regenerating a .htaccess file requires special configuration. See usage docs." );
		}

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'hard' ) && is_multisite() ) {
			WP_CLI::warning( "WordPress can't generate .htaccess file for a multisite install." );
		}

		flush_rewrite_rules( \WP_CLI\Utils\get_flag_value( $assoc_args, 'hard' ) );

		if ( ! get_option( 'rewrite_rules' ) ) {
			WP_CLI::warning( "Rewrite rules are empty, possibly because of a missing permalink_structure option. Use 'wp rewrite list' to verify, or 'wp rewrite structure' to update permalink_structure." );
		} else {
			WP_CLI::success( 'Rewrite rules flushed.' );
		}
	}

	/**
	 * Update the permalink structure.
	 *
	 * ## DESCRIPTION
	 *
	 * Updates the post permalink structure.
	 *
	 * To regenerate a .htaccess file with WP-CLI, you'll need to add the mod_rewrite module
	 * to your wp-cli.yml or config.yml. For example:
	 *
	 * `apache_modules:
	 *   - mod_rewrite`
	 *
	 * ## OPTIONS
	 *
	 * <permastruct>
	 * : The new permalink structure to apply.
	 *
	 * [--category-base=<base>]
	 * : Set the base for category permalinks, i.e. '/category/'.
	 *
	 * [--tag-base=<base>]
	 * : Set the base for tag permalinks, i.e. '/tag/'.
	 *
	 * [--hard]
	 * : Perform a hard flush - update `.htaccess` rules as well as rewrite rules in database.
	 *
	 * ## EXAMPLES
	 *
	 *     wp rewrite structure '/%year%/%monthnum%/%postname%'
	 */
	public function structure( $args, $assoc_args ) {
		global $wp_rewrite;

		// copypasta from /wp-admin/options-permalink.php

		$prefix = $blog_prefix = '';
		if ( is_multisite() && !is_subdomain_install() && is_main_site() )
			$blog_prefix = '/blog';

		$permalink_structure = ( $args[0] == 'default' ) ? '' : $args[0];

		if ( ! empty( $permalink_structure ) ) {
			$permalink_structure = preg_replace( '#/+#', '/', '/' . str_replace( '#', '', $permalink_structure ) );
			if ( $prefix && $blog_prefix )
				$permalink_structure = $prefix . preg_replace( '#^/?index\.php#', '', $permalink_structure );
			else
				$permalink_structure = $blog_prefix . $permalink_structure;
		}
		$wp_rewrite->set_permalink_structure( $permalink_structure );

		// Update category or tag bases
		if ( isset( $assoc_args['category-base'] ) ) {

			$category_base = $assoc_args['category-base'];
			if ( ! empty( $category_base ) )
				$category_base = $blog_prefix . preg_replace('#/+#', '/', '/' . str_replace( '#', '', $category_base ) );
			$wp_rewrite->set_category_base( $category_base );
		}

		if ( isset( $assoc_args['tag-base'] ) ) {

			$tag_base = $assoc_args['tag-base'];
			if ( ! empty( $tag_base ) )
				$tag_base = $blog_prefix . preg_replace('#/+#', '/', '/' . str_replace( '#', '', $tag_base ) );
			$wp_rewrite->set_tag_base( $tag_base );
		}

		// make sure we detect mod_rewrite if configured in apache_modules in config
		self::apache_modules();

		// Launch a new process to flush rewrites because core expects flush
		// to happen after rewrites are set
		$new_assoc_args = array();
		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'hard' ) ) {
			$new_assoc_args['hard'] = true;
			if ( ! in_array( 'mod_rewrite', (array) WP_CLI::get_config( 'apache_modules' ) ) ) {
				WP_CLI::warning( "Regenerating a .htaccess file requires special configuration. See usage docs." );
			}
		}

		$process_run = WP_CLI::launch_self( 'rewrite flush', array(), $new_assoc_args, true, true, array( 'apache_modules', WP_CLI::get_config( 'apache_modules' ) ) );
		if ( ! empty( $process_run->stderr ) ) {
			// Strip "Warning: "
			WP_CLI::warning( substr( $process_run->stderr, 9 ) );
		}

		WP_CLI::success( "Rewrite structure set." );
	}

	/**
	 * Print current rewrite rules.
	 *
	 * ## OPTIONS
	 *
	 * [--match=<url>]
	 * : Show rewrite rules matching a particular URL.
	 *
	 * [--source=<source>]
	 * : Show rewrite rules from a particular source.
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific fields. Defaults to match,query,source.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, csv, json, count. Default: table
	 *
	 * ## EXAMPLES
	 *
	 *     wp rewrite list --format=csv
	 *
	 * @subcommand list
	 */
	public function list_( $args, $assoc_args ) {
		global $wp_rewrite;

		$rules = get_option( 'rewrite_rules' );
		if ( ! $rules ) {
			$rules = array();
			WP_CLI::warning( 'No rewrite rules.' );
		}

		$defaults = array(
			'source' => '',
			'match'  => '',
			'format' => 'table',
			'fields' => 'match,query,source',
		);
		$assoc_args = array_merge( $defaults, $assoc_args );

		$rewrite_rules_by_source = array();
		$rewrite_rules_by_source['post'] = $wp_rewrite->generate_rewrite_rules( $wp_rewrite->permalink_structure, EP_PERMALINK );
		$rewrite_rules_by_source['date'] = $wp_rewrite->generate_rewrite_rules( $wp_rewrite->get_date_permastruct(), EP_DATE );
		$rewrite_rules_by_source['root'] = $wp_rewrite->generate_rewrite_rules( $wp_rewrite->root . '/', EP_ROOT );
		$rewrite_rules_by_source['comments'] = $wp_rewrite->generate_rewrite_rules( $wp_rewrite->root . $wp_rewrite->comments_base, EP_COMMENTS, true, true, true, false );
		$rewrite_rules_by_source['search'] = $wp_rewrite->generate_rewrite_rules( $wp_rewrite->get_search_permastruct(), EP_SEARCH );
		$rewrite_rules_by_source['author'] = $wp_rewrite->generate_rewrite_rules($wp_rewrite->get_author_permastruct(), EP_AUTHORS );
		$rewrite_rules_by_source['page'] = $wp_rewrite->page_rewrite_rules();

		// Extra permastructs including tags, categories, etc.
		foreach ( $wp_rewrite->extra_permastructs as $permastructname => $permastruct ) {
			if ( is_array( $permastruct ) ) {
				$rewrite_rules_by_source[$permastructname] = $wp_rewrite->generate_rewrite_rules( $permastruct['struct'], $permastruct['ep_mask'], $permastruct['paged'], $permastruct['feed'], $permastruct['forcomments'], $permastruct['walk_dirs'], $permastruct['endpoints'] );
			} else {
				$rewrite_rules_by_source[$permastructname] = $wp_rewrite->generate_rewrite_rules( $permastruct, EP_NONE );
			}
		}

		// Apply the filters used in core just in case
		foreach( $rewrite_rules_by_source as $source => $source_rules ) {
			$rewrite_rules_by_source[$source] = apply_filters( $source . '_rewrite_rules', $source_rules );
			if ( 'post_tag' == $source )
				$rewrite_rules_by_source[$source] = apply_filters( 'tag_rewrite_rules', $source_rules );
		}

		$rule_list = array();
		foreach ( $rules as $match => $query ) {

			if ( ! empty( $assoc_args['match'] )
				&& ! preg_match( "!^$match!", trim( $assoc_args['match'], '/' ) ) )
				continue;

			$source = 'other';
			foreach( $rewrite_rules_by_source as $rules_source => $source_rules ) {
				if ( array_key_exists( $match, $source_rules ) ) {
					$source = $rules_source;
				}
			}

			if ( ! empty( $assoc_args['source'] ) && $source != $assoc_args['source'] )
				continue;

			$rule_list[] = compact( 'match', 'query', 'source' );
		}

		WP_CLI\Utils\format_items( $assoc_args['format'], $rule_list, explode( ',', $assoc_args['fields'] ) );
	}

	/**
	 * Expose apache modules if present in config
	 *
	 * Implementation Notes: This function exposes a global function
	 * apache_get_modules and also sets the $is_apache global variable.
	 *
	 * This is so that flush_rewrite_rules will actually write out the
	 * .htaccess file for apache wordpress installations. There is a check
	 * to see:
	 *
	 * 1. if the $is_apache variable is set.
	 * 2. if the mod_rewrite module is returned from the apache_get_modules
	 *    function.
	 *
	 * To get this to work with wp-cli you'll need to add the mod_rewrite module
	 * to your config.yml. For example
	 *
	 * apache_modules:
	 *   - mod_rewrite
	 *
	 * If this isn't done then the .htaccess rewrite rules won't be flushed out
	 * to disk.
	 */
	private static function apache_modules() {
		$mods = WP_CLI::get_config('apache_modules');
		if ( !empty( $mods ) && !function_exists( 'apache_get_modules' ) ) {
			global $is_apache;
			$is_apache = true;

			// needed for get_home_path() and .htaccess location
			$_SERVER['SCRIPT_FILENAME'] = ABSPATH;

			function apache_get_modules() {
				return WP_CLI::get_config( 'apache_modules' );
			}
		}
	}
}

WP_CLI:: add_command( 'rewrite', 'Rewrite_Command' );

<?php

/**
 * Manage user roles.
 *
 * @package wp-cli
 */
class Role_Command extends WP_CLI_Command {

	private $fields = array(
		'name',
		'role'
	);

	/**
	 * List all roles.
	 *
	 * ## OPTIONS
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific object fields.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, csv, json, count. Default: table
	 *
	 * ## AVAILABLE FIELDS
	 *
	 * These fields will be displayed by default for each role:
	 *
	 * * name
	 * * role
	 *
	 * There are no optional fields.
	 *
	 * ## EXAMPLES
	 *
	 *     wp role list --fields=role --format=csv
	 *
	 * @subcommand list
	 */
	public function list_( $args, $assoc_args ) {
		global $wp_roles;

		$output_roles = array();
		foreach ( $wp_roles->roles as $key => $role ) {
			$output_role = new stdClass;

			$output_role->name = $role['name'];
			$output_role->role = $key;

			$output_roles[] = $output_role;
		}

		$formatter = new \WP_CLI\Formatter( $assoc_args, $this->fields );
		$formatter->display_items( $output_roles );
	}

	/**
	 * Check if a role exists.
	 *
	 * ##DESCRIPTION
	 *
	 * Will exit with status 0 if the role exists, 1 if it does not.
	 *
	 * ## OPTIONS
	 *
	 * <role-key>
	 * : The internal name of the role.
	 *
	 * ## EXAMPLES
	 *
	 *     wp role exists editor
	 */
	public function exists( $args ) {
		global $wp_roles;

		if ( ! in_array($args[0], array_keys( $wp_roles->roles ) ) ) {
			WP_CLI::error( "Role with ID $args[0] does not exist." );
		}

		WP_CLI::success( "Role with ID $args[0] exists." );
	}

	/**
	 * Create a new role.
	 *
	 * ## OPTIONS
	 *
	 * <role-key>
	 * : The internal name of the role.
	 *
	 * <role-name>
	 * : The publicly visible name of the role.
	 *
	 * [--clone=<role>]
	 * : Clone capabilities from an existing role.
	 *
	 * ## EXAMPLES
	 *
	 *     wp role create approver Approver
	 *
	 *     wp role create productadmin "Product Administrator"
	 */
	public function create( $args, $assoc_args ) {
		global $wp_roles;

		self::persistence_check();

		$role_key = array_shift( $args );
		$role_name = array_shift( $args );

		if ( empty( $role_key ) || empty( $role_name ) ) {
			WP_CLI::error( "Can't create role, insufficient information provided.");
		}

		$capabilities = false;
		if ( ! empty( $assoc_args['clone'] ) ) {
			$role_obj = $wp_roles->get_role( $assoc_args['clone'] );
			if ( ! $role_obj ) {
				WP_CLI::error( "'{$assoc_args['clone']}' role not found." );
			}
			$capabilities = array_keys( $role_obj->capabilities );
		}

		if ( add_role( $role_key, $role_name ) ) {
			if ( ! empty( $capabilities ) ) {
				$role_obj = $wp_roles->get_role( $role_key );
				foreach( $capabilities as $cap ) {
					$role_obj->add_cap( $cap );
				}
				WP_CLI::success( sprintf( "Role with key %s created. Cloned capabilities from %s.", $role_key, $assoc_args['clone'] ) );
			} else {
				WP_CLI::success( sprintf( "Role with key %s created.", $role_key ) );
			}
		} else {
			WP_CLI::error( "Role couldn't be created." );
		}
	}

	/**
	 * Delete an existing role.
	 *
	 * ## OPTIONS
	 *
	 * <role-key>
	 * : The internal name of the role.
	 *
	 * ## EXAMPLES
	 *
	 *     wp role delete approver
	 *
	 *     wp role delete productadmin
	 */
	public function delete( $args ) {
		global $wp_roles;

		self::persistence_check();

		$role_key = array_shift( $args );

		if ( empty( $role_key ) || ! isset( $wp_roles->roles[$role_key] ) )
			WP_CLI::error( "Role key not provided, or is invalid." );

		remove_role( $role_key );

		// Note: remove_role() doesn't indicate success or otherwise, so we have to
		// check ourselves
		if ( ! isset( $wp_roles->roles[$role_key] ) )
			WP_CLI::success( sprintf( "Role with key %s deleted.", $role_key ) );
		else
			WP_CLI::error( sprintf( "Role with key %s could not be deleted.", $role_key ) );

	}

	/**
	 * Reset any default role to default capabilities.
	 *
	 * ## OPTIONS
	 *
	 * [<role-key>...]
	 * : The internal name of one or more roles to reset.
	 *
	 * [--all]
	 * : If set, all default roles will be reset.
	 *
	 * ## EXAMPLES
	 *
	 *     wp role reset administrator author contributor
	 *
	 *     wp role reset --all
	 */
	public function reset( $args, $assoc_args ) {

		self::persistence_check();

		if ( ! \WP_CLI\Utils\get_flag_value( $assoc_args, 'all' ) && empty( $args ) )
			WP_CLI::error( "Role key not provided, or is invalid." );

		if ( ! function_exists( 'populate_roles' ) ) {
			require_once( ABSPATH.'wp-admin/includes/schema.php' );
		}

		// get our default roles
		$default_roles = $preserve = array( 'administrator', 'editor', 'author', 'contributor', 'subscriber' );

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'all' ) ) {
			foreach( $default_roles as $role ) {
				remove_role( $role );
			}
			populate_roles();

			WP_CLI::success( 'All default roles reset.' );
			return;

		}

		foreach( $args as $k => $role_key ) {
			$key = array_search( $role_key, $default_roles );
			if ( false !== $key ) {
				unset( $preserve[ $key ] );
				$before[ $role_key ] = get_role( $role_key );
				remove_role( $role_key );
			} else {
				unset( $args[ $k ] );
			}
		}

		$num_to_reset = count( $args );

		// no roles were unset, bail
		if ( count( $default_roles ) == count( $preserve ) ) {
			WP_CLI::error( 'Must specify a default role to reset.' );
		}

		// for the roles we're not resetting
		foreach( $preserve as $k => $role ) {
			/* save roles
			 * if get_role is null
			 * save role name for re-removal
			 */
			$roleobj = get_role( $role );
			$preserve[$k] = is_null( $roleobj ) ? $role : $roleobj;

			remove_role( $role );
		}

		// put back all default roles and capabilities
		populate_roles();

		// restore the preserved roles
		foreach( $preserve as $k => $roleobj ) {
			// re-remove after populating
			if ( is_a( $roleobj, 'WP_Role' ) ) {
				remove_role( $roleobj->name );
				add_role( $roleobj->name, ucwords( $roleobj->name ), $roleobj->capabilities );
			} else {
				// when not an object, that means the role didn't exist before
				remove_role( $roleobj );
			}
		}

		$num_reset = 0;
		foreach( $args as $role_key ) {
			$after[ $role_key ] = get_role( $role_key );

			if ( $after[ $role_key ] != $before[ $role_key ] ) {
				++$num_reset;
			}
		}

		WP_CLI::success( "Reset $num_reset/$num_to_reset roles" );

	}

	private static function persistence_check() {
		global $wp_roles;

		if ( !$wp_roles->use_db )
			WP_CLI::error( "Role definitions are not persistent." );
	}
}

WP_CLI::add_command( 'role', 'Role_Command' );
<?php

use WP_CLI\Utils;
use WP_CLI\Process;

/**
 * Generate code for post types, taxonomies, etc.
 *
 * @package wp-cli
 */
class Scaffold_Command extends WP_CLI_Command {

	/**
	 * Generate PHP code for registering a custom post type.
	 *
	 * ## OPTIONS
	 *
	 * <slug>
	 * : The internal name of the post type.
	 *
	 * [--label=<label>]
	 * : The text used to translate the update messages
	 *
	 * [--textdomain=<textdomain>]
	 * : The textdomain to use for the labels.
	 *
	 * [--dashicon=<dashicon>]
	 * : The dashicon to use in the menu.
	 *
	 * [--theme]
	 * : Create a file in the active theme directory, instead of sending to
	 * STDOUT. Specify a theme with `--theme=<theme>` to have the file placed in that theme.
	 *
	 * [--plugin=<plugin>]
	 * : Create a file in the given plugin's directory, instead of sending to STDOUT.
	 *
	 * [--raw]
	 * : Just generate the `register_post_type()` call and nothing else.
	 *
	 * [--force]
	 * : Overwrite files that already exist.
	 *
	 * @subcommand post-type
	 *
	 * @alias      cpt
	 */
	function post_type( $args, $assoc_args ) {

		if ( strlen( $args[0] ) > 20 ) {
			WP_CLI::error( "Post type slugs cannot exceed 20 characters in length." );
		}

		$defaults = array(
			'textdomain' => '',
			'dashicon'   => 'admin-post',
		);

		$this->_scaffold( $args[0], $assoc_args, $defaults, '/post-types/', array(
			'post_type.mustache',
			'post_type_extended.mustache'
		) );
	}

	/**
	 * Generate PHP code for registering a custom taxonomy.
	 *
	 * ## OPTIONS
	 *
	 * <slug>
	 * : The internal name of the taxonomy.
	 *
	 * [--post_types=<post-types>]
	 * : Post types to register for use with the taxonomy.
	 *
	 * [--label=<label>]
	 * : The text used to translate the update messages.
	 *
	 * [--textdomain=<textdomain>]
	 * : The textdomain to use for the labels.
	 *
	 * [--theme]
	 * : Create a file in the active theme directory, instead of sending to
	 * STDOUT. Specify a theme with `--theme=<theme>` to have the file placed in that theme.
	 *
	 * [--plugin=<plugin>]
	 * : Create a file in the given plugin's directory, instead of sending to STDOUT.
	 *
	 * [--raw]
	 * : Just generate the `register_taxonomy()` call and nothing else.
	 *
	 * [--force]
	 * : Overwrite files that already exist.
	 *
	 * ## EXAMPLES
	 *
	 *     wp scaffold taxonomy venue --post_types=event,presentation
	 *
	 * @subcommand taxonomy
	 *
	 * @alias      tax
	 */
	function taxonomy( $args, $assoc_args ) {
		$defaults = array(
			'textdomain' => '',
			'post_types' => "'post'"
		);

		if ( isset( $assoc_args['post_types'] ) ) {
			$assoc_args['post_types'] = $this->quote_comma_list_elements( $assoc_args['post_types'] );
		}

		$this->_scaffold( $args[0], $assoc_args, $defaults, '/taxonomies/', array(
			'taxonomy.mustache',
			'taxonomy_extended.mustache'
		) );
	}

	private function _scaffold( $slug, $assoc_args, $defaults, $subdir, $templates ) {
		$wp_filesystem = $this->init_wp_filesystem();

		$control_args = $this->extract_args( $assoc_args, array(
			'label'  => preg_replace( '/_|-/', ' ', strtolower( $slug ) ),
			'theme'  => false,
			'plugin' => false,
			'raw'    => false,
		) );

		$vars = $this->extract_args( $assoc_args, $defaults );

		$vars['slug'] = $slug;

		$vars['textdomain'] = $this->get_textdomain( $vars['textdomain'], $control_args );

		$vars['label'] = $control_args['label'];

		$vars['label_ucfirst']        = ucfirst( $vars['label'] );
		$vars['label_plural']         = $this->pluralize( $vars['label'] );
		$vars['label_plural_ucfirst'] = ucfirst( $vars['label_plural'] );

		// We use the machine name for function declarations
		$machine_name        = preg_replace( '/-/', '_', $slug );
		$machine_name_plural = $this->pluralize( $slug );

		list( $raw_template, $extended_template ) = $templates;

		$raw_output = Utils\mustache_render( $raw_template, $vars );

		if ( ! $control_args['raw'] ) {
			$vars = array_merge( $vars, array(
				'machine_name' => $machine_name,
				'output'       => $raw_output
			) );

			$final_output = Utils\mustache_render( $extended_template, $vars );
		} else {
			$final_output = $raw_output;
		}

		if ( $path = $this->get_output_path( $control_args, $subdir ) ) {
			$filename = $path . $slug . '.php';

			$force = \WP_CLI\Utils\get_flag_value( $assoc_args, 'force' );
			$files_written = $this->create_files( array( $filename => $final_output ), $force );
			$this->log_whether_files_written(
				$files_written,
				$skip_message = "Skipped creating $filename",
				$success_message = "Created $filename"
			);

		} else {
			// STDOUT
			echo $final_output;
		}
	}

	/**
	 * Generate starter code for a theme.
	 *
	 * ## OPTIONS
	 *
	 * <slug>
	 * : The slug for the new theme, used for prefixing functions.
	 *
	 * [--activate]
	 * : Activate the newly downloaded theme.
	 *
	 * [--enable-network]
	 * : Enable the newly downloaded theme for the entire network.
	 *
	 * [--theme_name=<title>]
	 * : What to put in the 'Theme Name:' header in style.css
	 *
	 * [--author=<full-name>]
	 * : What to put in the 'Author:' header in style.css
	 *
	 * [--author_uri=<uri>]
	 * : What to put in the 'Author URI:' header in style.css
	 *
	 * [--sassify]
	 * : Include stylesheets as SASS
	 *
	 * [--force]
	 * : Overwrite files that already exist.
	 *
	 */
	function _s( $args, $assoc_args ) {

		$theme_slug = $args[0];
		$theme_path = WP_CONTENT_DIR . "/themes";
		$url        = "http://underscores.me";
		$timeout    = 30;

		$data = wp_parse_args( $assoc_args, array(
			'theme_name' => ucfirst( $theme_slug ),
			'author'     => "Me",
			'author_uri' => "",
		) );

		$_s_theme_path = "$theme_path/$data[theme_name]";
		$force = \WP_CLI\Utils\get_flag_value( $assoc_args, 'force' );
		$should_write_file = $this->prompt_if_files_will_be_overwritten( $_s_theme_path, $force );
		if ( ! $should_write_file ) {
			WP_CLI::log( 'No files created' );
			die;
		}

		$theme_description = "Custom theme: " . $data['theme_name'] . ", developed by " . $data['author'];

		$body                                  = array();
		$body['underscoresme_name']            = $data['theme_name'];
		$body['underscoresme_slug']            = $theme_slug;
		$body['underscoresme_author']          = $data['author'];
		$body['underscoresme_author_uri']      = $data['author_uri'];
		$body['underscoresme_description']     = $theme_description;
		$body['underscoresme_generate_submit'] = "Generate";
		$body['underscoresme_generate']        = "1";
		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'sassify' ) ) {
			$body['underscoresme_sass'] = 1;
		}

		$tmpfname = wp_tempnam( $url );
		$response = wp_remote_post( $url, array(
			'timeout'  => $timeout,
			'body'     => $body,
			'stream'   => true,
			'filename' => $tmpfname
		) );

		if ( is_wp_error( $response ) ) {
			WP_CLI::error( $response );
		}

		$response_code = wp_remote_retrieve_response_code( $response );
		if ( 200 != $response_code ) {
			WP_CLI::error( "Couldn't create theme (received $response_code response)." );
		}

		$this->maybe_create_themes_dir();

		$this->init_wp_filesystem();

		$unzip_result = unzip_file( $tmpfname, $theme_path );
		unlink( $tmpfname );

		if ( true === $unzip_result ) {
			WP_CLI::success( "Created theme '{$data['theme_name']}'." );
		} else {
			WP_CLI::error( "Could not decompress your theme files ('{$tmpfname}') at '{$theme_path}': {$unzip_result->get_error_message()}" );
		}

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'activate' ) ) {
			WP_CLI::run_command( array( 'theme', 'activate', $theme_slug ) );
		} else if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'enable-network' ) ) {
			WP_CLI::run_command( array( 'theme', 'enable', $theme_slug ), array( 'network' => true ) );
		}
	}

	/**
	 * Generate empty child theme.
	 *
	 * ## OPTIONS
	 *
	 * <slug>
	 * : The slug for the new child theme.
	 *
	 * --parent_theme=<slug>
	 * : What to put in the 'Template:' header in style.css
	 *
	 * [--theme_name=<title>]
	 * : What to put in the 'Theme Name:' header in style.css
	 *
	 * [--author=<full-name>]
	 * : What to put in the 'Author:' header in style.css
	 *
	 * [--author_uri=<uri>]
	 * : What to put in the 'Author URI:' header in style.css
	 *
	 * [--theme_uri=<uri>]
	 * : What to put in the 'Theme URI:' header in style.css
	 *
	 * [--activate]
	 * : Activate the newly created child theme.
	 *
	 * [--enable-network]
	 * : Enable the newly created child theme for the entire network.
	 *
	 * [--force]
	 * : Overwrite files that already exist.
	 *
	 * @subcommand child-theme
	 */
	function child_theme( $args, $assoc_args ) {
		$theme_slug = $args[0];

		$data = wp_parse_args( $assoc_args, array(
			'theme_name' => ucfirst( $theme_slug ),
			'author'     => "Me",
			'author_uri' => "",
			'theme_uri'  => ""
		) );
		$data['slug'] = $theme_slug;
		$data['parent_theme_function_safe'] = str_replace( '-', '_', $data['parent_theme'] );

		$data['description'] = ucfirst( $data['parent_theme'] ) . " child theme.";

		$theme_dir            = WP_CONTENT_DIR . "/themes" . "/$theme_slug";
		$theme_style_path     = "$theme_dir/style.css";
		$theme_functions_path = "$theme_dir/functions.php";

		$this->maybe_create_themes_dir();

		$force = \WP_CLI\Utils\get_flag_value( $assoc_args, 'force' );
		$files_written = $this->create_files( array(
			$theme_style_path => Utils\mustache_render( 'child_theme.mustache', $data ),
			$theme_functions_path => Utils\mustache_render( 'child_theme_functions.mustache', $data )
		), $force );
		$this->log_whether_files_written(
			$files_written,
			$skip_message = 'All theme files were skipped.',
			$success_message = "Created $theme_dir."
		);

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'activate' ) ) {
			WP_CLI::run_command( array( 'theme', 'activate', $theme_slug ) );
		} else if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'enable-network' ) ) {
			WP_CLI::run_command( array( 'theme', 'enable', $theme_slug ), array( 'network' => true ) );
		}
	}

	private function get_output_path( $assoc_args, $subdir ) {
		if ( $assoc_args['theme'] ) {
			$theme = $assoc_args['theme'];
			if ( is_string( $theme ) ) {
				$path = get_theme_root( $theme ) . '/' . $theme;
			} else {
				$path = get_stylesheet_directory();
			}
		} elseif ( $assoc_args['plugin'] ) {
			$plugin = $assoc_args['plugin'];
			$path   = WP_PLUGIN_DIR . '/' . $plugin;
			if ( ! is_dir( $path ) ) {
				WP_CLI::error( "Can't find '$plugin' plugin." );
			}
		} else {
			return false;
		}

		$path .= $subdir;

		return $path;
	}

	/**
	 * Generate files needed for writing Behat tests for your command.
	 *
	 * ## DESCRIPTION
	 *
	 * These are the files that are generated:
	 *
	 * * `.travis.yml` is the configuration file for Travis CI
	 * * `bin/install-package-tests.sh` will configure environment to run tests. Script expects WP_CLI_BIN_DIR and WP_CLI_CONFIG_PATH environment variables.
	 * * `features/load-wp-cli.feature` is a basic test to confirm WP-CLI can load.
	 * * `features/bootstrap`, `features/steps`, `features/extra` are Behat configuration files.
	 * * `utils/generate-package-require-from-composer.php` generates a test config.yml file from your package's composer.json
	 *
	 * ## ENVIRONMENT
	 *
	 * The `features/bootstrap/FeatureContext.php` file expects the WP_CLI_BIN_DIR and WP_CLI_CONFIG_PATH environment variables.
	 *
	 * WP-CLI Behat framework uses Behat ~2.5.
	 *
	 * ## OPTIONS
	 *
	 * <dir>
	 * : The package directory to generate tests for.
	 *
	 * [--force]
	 * : Overwrite files that already exist.
	 *
	 * ## EXAMPLE
	 *
	 *     wp scaffold package-tests /path/to/command/dir/
	 *
	 * @when       before_wp_load
	 * @subcommand package-tests
	 */
	public function package_tests( $args, $assoc_args ) {

		list( $package_dir ) = $args;

		if ( is_file( $package_dir ) ) {
			$package_dir = dirname( $package_dir );
		} else if ( is_dir( $package_dir ) ) {
			$package_dir = rtrim( $package_dir, '/' );
		}

		if ( ! is_dir( $package_dir ) || ! file_exists( $package_dir . '/composer.json' ) ) {
			WP_CLI::error( "Invalid package directory. composer.json file must be present." );
		}

		$package_dir .= '/';
		$bin_dir       = $package_dir . 'bin/';
		$utils_dir     = $package_dir . 'utils/';
		$features_dir  = $package_dir . 'features/';
		$bootstrap_dir = $features_dir . 'bootstrap/';
		$steps_dir     = $features_dir . 'steps/';
		$extra_dir     = $features_dir . 'extra/';
		foreach ( array( $features_dir, $bootstrap_dir, $steps_dir, $extra_dir, $utils_dir, $bin_dir ) as $dir ) {
			if ( ! is_dir( $dir ) ) {
				Process::create( Utils\esc_cmd( 'mkdir %s', $dir ) )->run();
			}
		}

		$to_copy = array(
			'templates/.travis.package.yml'               => $package_dir,
			'templates/load-wp-cli.feature'               => $features_dir,
			'templates/install-package-tests.sh'          => $bin_dir,
			'features/bootstrap/FeatureContext.php'       => $bootstrap_dir,
			'features/bootstrap/support.php'              => $bootstrap_dir,
			'php/WP_CLI/Process.php'                      => $bootstrap_dir,
			'php/utils.php'                               => $bootstrap_dir,
			'ci/behat-tags.php'                           => $utils_dir,
			'utils/get-package-require-from-composer.php' => $utils_dir,
			'features/steps/given.php'                    => $steps_dir,
			'features/steps/when.php'                     => $steps_dir,
			'features/steps/then.php'                     => $steps_dir,
			'features/extra/no-mail.php'                  => $extra_dir,
		);

		$files_written = array();
		foreach ( $to_copy as $file => $dir ) {
			// file_get_contents() works with Phar-archived files
			$contents  = file_get_contents( WP_CLI_ROOT . "/{$file}" );
			$file_path = $dir . basename( $file );
			$file_path = str_replace( array( '.travis.package.yml' ), array( '.travis.yml' ), $file_path );

			$force = \WP_CLI\Utils\get_flag_value( $assoc_args, 'force' );
			$should_write_file = $this->prompt_if_files_will_be_overwritten( $file_path, $force );
			if ( ! $should_write_file ) {
				continue;
			}
			$files_written[] = $file_path;

			$result    = Process::create( Utils\esc_cmd( 'touch %s', $file_path ) )->run();
			file_put_contents( $file_path, $contents );
			if ( 'templates/install-package-tests.sh' === $file ) {
				Process::create( Utils\esc_cmd( 'chmod +x %s', $file_path ) )->run();
			}
		}
		$this->log_whether_files_written(
			$files_written,
			$skip_message = 'All package tests were skipped.',
			$success_message = 'Created test files.'
		);

	}

	/**
	 * Generate starter code for a plugin.
	 *
	 * ## OPTIONS
	 *
	 * <slug>
	 * : The internal name of the plugin.
	 *
	 * [--dir=<dirname>]
	 * : Put the new plugin in some arbitrary directory path. Plugin directory will be path plus supplied slug.
	 *
	 * [--plugin_name=<title>]
	 * : What to put in the 'Plugin Name:' header
	 *
	 * [--plugin_description=<description>]
	 * : What to put in the 'Description:' header.
	 *
	 * [--plugin_author=<author>]
	 * : What to put in the 'Author:' header.
	 *
	 * [--plugin_author_uri=<url>]
	 * : What to put in the 'Author URI:' header.
	 *
	 * [--plugin_uri=<url>]
	 * : What to put in the 'Plugin URI:' header.
	 *
	 * [--skip-tests]
	 * : Don't generate files for unit testing.
	 *
	 * [--activate]
	 * : Activate the newly generated plugin.
	 *
	 * [--activate-network]
	 * : Network activate the newly generated plugin.
	 *
	 * [--force]
	 * : Overwrite files that already exist.
	 *
	 */
	function plugin( $args, $assoc_args ) {
		$plugin_slug = $args[0];

		$data = wp_parse_args( $assoc_args, array(
			'plugin_slug'        => $plugin_slug,
			'plugin_name'        => ucfirst( $plugin_slug ),
			'plugin_description' => 'PLUGIN DESCRIPTION HERE',
			'plugin_author'      => 'YOUR NAME HERE',
			'plugin_author_uri'  => 'YOUR SITE HERE',
			'plugin_uri'         => 'PLUGIN SITE HERE',
		) );

		$data['textdomain'] = $plugin_slug;

		if ( ! empty( $assoc_args['dir'] ) ) {
			if ( ! is_dir( $assoc_args['dir'] ) ) {
				WP_CLI::error( "Cannot create plugin in directory that doesn't exist." );
			}
			$plugin_dir = $assoc_args['dir'] . "/$plugin_slug";
		} else {
			$plugin_dir = WP_PLUGIN_DIR . "/$plugin_slug";
			$this->maybe_create_plugins_dir();
		}

		$plugin_path = "$plugin_dir/$plugin_slug.php";
		$plugin_readme_path = "$plugin_dir/readme.txt";

		$force = \WP_CLI\Utils\get_flag_value( $assoc_args, 'force' );
		$files_written = $this->create_files( array(
			$plugin_path => Utils\mustache_render( 'plugin.mustache', $data ),
			$plugin_readme_path => Utils\mustache_render( 'plugin-readme.mustache', $data ),
			"$plugin_dir/package.json" => Utils\mustache_render( 'plugin-packages.mustache', $data ),
			"$plugin_dir/Gruntfile.js" => Utils\mustache_render( 'plugin-gruntfile.mustache', $data ),
			"$plugin_dir/.gitignore" => Utils\mustache_render( 'plugin-gitignore.mustache', $data ),
			"$plugin_dir/.editorconfig" => file_get_contents( WP_CLI_ROOT . "/templates/.editorconfig" ),
		), $force );

		$this->log_whether_files_written(
			$files_written,
			$skip_message = 'All plugin files were skipped.',
			$success_message = 'Created plugin files.'
		);

		if ( ! \WP_CLI\Utils\get_flag_value( $assoc_args, 'skip-tests' ) ) {
			WP_CLI::run_command( array( 'scaffold', 'plugin-tests', $plugin_slug ), array( 'dir' => $plugin_dir, 'force' => $force ) );
		}

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'activate' ) ) {
			WP_CLI::run_command( array( 'plugin', 'activate', $plugin_slug ) );
		} else if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'activate-network' ) ) {
			WP_CLI::run_command( array( 'plugin', 'activate', $plugin_slug), array( 'network' => true ) );
		}
	}

	/**
	 * Generate files needed for running PHPUnit tests.
	 *
	 * ## DESCRIPTION
	 *
	 * These are the files that are generated:
	 *
	 * * `phpunit.xml.dist` is the configuration file for PHPUnit
	 * * `.travis.yml` is the configuration file for Travis CI
	 * * `tests/bootstrap.php` is the file that makes the current plugin active when running the test suite
	 * * `tests/test-sample.php` is a sample file containing the actual tests
	 *
	 * ## ENVIRONMENT
	 *
	 * The `tests/bootstrap.php` file looks for the WP_TESTS_DIR environment
	 * variable.
	 *
	 * ## OPTIONS
	 *
	 * [<plugin>]
	 * : The name of the plugin to generate test files for.
	 *
	 * [--dir=<dirname>]
	 * : Generate test files for a non-standard plugin path. If no plugin slug is specified, the directory name is used.
	 *
	 * [--force]
	 * : Overwrite files that already exist.
	 *
	 * ## EXAMPLE
	 *
	 *     wp scaffold plugin-tests hello
	 *
	 * @subcommand plugin-tests
	 */
	function plugin_tests( $args, $assoc_args ) {
		$wp_filesystem = $this->init_wp_filesystem();

		if ( ! empty( $args[0] ) ) {
			$plugin_slug = $args[0];
			$plugin_dir = WP_PLUGIN_DIR . "/$plugin_slug";
			if ( empty( $assoc_args['dir'] ) && ! is_dir( $plugin_dir ) ) {
				WP_CLI::error( 'Invalid plugin slug specified.' );
			}
		}

		if ( ! empty( $assoc_args['dir'] ) ) {
			$plugin_dir = $assoc_args['dir'];
			if ( ! is_dir( $plugin_dir ) ) {
				WP_CLI::error( 'Invalid plugin directory specified.' );
			}
			if ( empty( $plugin_slug ) ) {
				$plugin_slug = basename( $plugin_dir );
			}
		}

		if ( empty( $plugin_slug ) || empty( $plugin_dir ) ) {
			WP_CLI::error( 'Invalid plugin specified.' );
		}

		$tests_dir = "$plugin_dir/tests";
		$bin_dir = "$plugin_dir/bin";

		$wp_filesystem->mkdir( $tests_dir );
		$wp_filesystem->mkdir( $bin_dir );

		$wp_versions_to_test = array('latest');
		// Parse plugin readme.txt
		if ( file_exists( $plugin_dir . '/readme.txt' ) ) {
			$readme_content = file_get_contents( $plugin_dir . '/readme.txt' );

			preg_match( '/Requires at least\:(.*)\n/m', $readme_content, $matches );
			if ( isset( $matches[1] ) && $matches[1] ) {
				$wp_versions_to_test[] = trim( $matches[1] );
			}
			preg_match( '/Tested up to\:(.*)\n/m', $readme_content, $matches );
			if ( isset( $matches[1] ) && $matches[1] ) {
				$wp_versions_to_test[] = trim( $matches[1] );
			}
		}

		$force = \WP_CLI\Utils\get_flag_value( $assoc_args, 'force' );
		$files_written = $this->create_files( array(
			"$tests_dir/bootstrap.php" => Utils\mustache_render( 'bootstrap.mustache', compact( 'plugin_slug' ) ),
			"$plugin_dir/.travis.yml" => Utils\mustache_render( '.travis.mustache', compact( 'wp_versions_to_test' ) )
		), $force );

		$to_copy = array(
			'install-wp-tests.sh' => $bin_dir,
			'phpunit.xml.dist'    => $plugin_dir,
			'test-sample.php'     => $tests_dir,
		);

		foreach ( $to_copy as $file => $dir ) {
			$file_name = "$dir/$file";
			$force = \WP_CLI\Utils\get_flag_value( $assoc_args, 'force' );
			$should_write_file = $this->prompt_if_files_will_be_overwritten( $file_name, $force );
			if ( ! $should_write_file ) continue;
			$files_written[] = $file_name;

			$wp_filesystem->copy( WP_CLI_ROOT . "/templates/$file", $file_name, true );
			if ( 'install-wp-tests.sh' === $file ) {
				if ( ! $wp_filesystem->chmod( "$dir/$file", 0755 ) ) {
					WP_CLI::warning( "Couldn't mark install-wp-tests.sh as executable." );
				}
			}
		}
		$this->log_whether_files_written(
			$files_written,
			$skip_message = 'All test files were skipped.',
			$success_message = 'Created test files.'
		);
	}

	private function create_files( $files_and_contents, $force ) {
		$wp_filesystem = $this->init_wp_filesystem();
		$wrote_files = array();

		foreach ( $files_and_contents as $filename => $contents ) {
			$should_write_file = $this->prompt_if_files_will_be_overwritten( $filename, $force );
			if ( ! $should_write_file ) {
				continue;
			}

			$wp_filesystem->mkdir( dirname( $filename ) );

			if ( ! $wp_filesystem->put_contents( $filename, $contents ) ) {
				WP_CLI::error( "Error creating file: $filename" );
			} elseif ( $should_write_file ) {
				$wrote_files[] = $filename;
			}
		}
		return $wrote_files;
	}

	private function prompt_if_files_will_be_overwritten( $filename, $force ) {
		$should_write_file = true;
		if ( ! file_exists( $filename ) ) {
			return true;
		}

		WP_CLI::warning( 'File already exists' );
		WP_CLI::log( $filename );
		if ( ! $force ) {
			do {
				$answer = cli\prompt(
					'Skip this file, or replace it with scaffolding?',
					$default = false,
					$marker = '[s/r]: '
				);
			} while ( ! in_array( $answer, array( 's', 'r' ) ) );
			$should_write_file = 'r' === $answer;
		}

		$outcome = $should_write_file ? 'Replacing' : 'Skipping';
		WP_CLI::log( $outcome . PHP_EOL );

		return $should_write_file;
	}

	private function log_whether_files_written( $files_written, $skip_message, $success_message ) {
		if ( empty( $files_written ) ) {
			WP_CLI::log( $skip_message );
		} else {
			WP_CLI::success( $success_message );
		}
	}

	/**
	 * If you're writing your files to your theme directory your textdomain also needs to be the same as your theme.
	 * Same goes for when plugin is being used.
	 */
	private function get_textdomain( $textdomain, $args ) {
		if ( strlen( $textdomain ) ) {
			return $textdomain;
		}

		if ( $args['theme'] ) {
			return strtolower( wp_get_theme()->template );
		}

		if ( $args['plugin'] && true !== $args['plugin'] ) {
			return $args['plugin'];
		}

		return 'YOUR-TEXTDOMAIN';
	}

	private function pluralize( $word ) {
		$plural = array(
			'/(quiz)$/i'               => '\1zes',
			'/^(ox)$/i'                => '\1en',
			'/([m|l])ouse$/i'          => '\1ice',
			'/(matr|vert|ind)ix|ex$/i' => '\1ices',
			'/(x|ch|ss|sh)$/i'         => '\1es',
			'/([^aeiouy]|qu)ies$/i'    => '\1y',
			'/([^aeiouy]|qu)y$/i'      => '\1ies',
			'/(hive)$/i'               => '\1s',
			'/(?:([^f])fe|([lr])f)$/i' => '\1\2ves',
			'/sis$/i'                  => 'ses',
			'/([ti])um$/i'             => '\1a',
			'/(buffal|tomat)o$/i'      => '\1oes',
			'/(bu)s$/i'                => '1ses',
			'/(alias|status)/i'        => '\1es',
			'/(octop|vir)us$/i'        => '1i',
			'/(ax|test)is$/i'          => '\1es',
			'/s$/i'                    => 's',
			'/$/'                      => 's'
		);

		$uncountable = array( 'equipment', 'information', 'rice', 'money', 'species', 'series', 'fish', 'sheep' );

		$irregular = array(
			'person' => 'people',
			'man'    => 'men',
			'woman'  => 'women',
			'child'  => 'children',
			'sex'    => 'sexes',
			'move'   => 'moves'
		);

		$lowercased_word = strtolower( $word );

		foreach ( $uncountable as $_uncountable ) {
			if ( substr( $lowercased_word, ( - 1 * strlen( $_uncountable ) ) ) == $_uncountable ) {
				return $word;
			}
		}

		foreach ( $irregular as $_plural => $_singular ) {
			if ( preg_match( '/(' . $_plural . ')$/i', $word, $arr ) ) {
				return preg_replace( '/(' . $_plural . ')$/i', substr( $arr[0], 0, 1 ) . substr( $_singular, 1 ), $word );
			}
		}

		foreach ( $plural as $rule => $replacement ) {
			if ( preg_match( $rule, $word ) ) {
				return preg_replace( $rule, $replacement, $word );
			}
		}

		return false;
	}

	protected function extract_args( $assoc_args, $defaults ) {
		$out = array();

		foreach ( $defaults as $key => $value ) {
			$out[ $key ] = \WP_CLI\Utils\get_flag_value( $assoc_args, $key, $value );
		}

		return $out;
	}

	protected function quote_comma_list_elements( $comma_list ) {
		return "'" . implode( "', '", explode( ',', $comma_list ) ) . "'";
	}

	/**
	 * Create the themes directory if it doesn't already exist
	 */
	protected function maybe_create_themes_dir() {

		$themes_dir = WP_CONTENT_DIR . '/themes';
		if ( ! is_dir( $themes_dir ) ) {
			wp_mkdir_p( $themes_dir );
		}

	}

	/**
	 * Create the plugins directory if it doesn't already exist
	 */
	protected function maybe_create_plugins_dir() {

		if ( ! is_dir( WP_PLUGIN_DIR ) ) {
			wp_mkdir_p( WP_PLUGIN_DIR );
		}

	}

	/**
	 * Initialize WP Filesystem
	 */
	private function init_wp_filesystem() {
		global $wp_filesystem;
		WP_Filesystem();

		return $wp_filesystem;
	}

}

WP_CLI::add_command( 'scaffold', 'Scaffold_Command' );
<?php

/**
 * Search and replace strings in the database.
 *
 * @package wp-cli
 */
class Search_Replace_Command extends WP_CLI_Command {

	private $dry_run;
	private $export_handle = false;
	private $recurse_objects;
	private $regex;
	private $skip_columns;

	/**
	 * Search/replace strings in the database.
	 *
	 * ## DESCRIPTION
	 *
	 * This command will searches through all rows in a selection of tables
	 * and replaces appearances of the first string with the second string.
	 *
	 * By default, the command uses tables registered to the $wpdb object. On
	 * multisite, this will just be the tables for the current site unless
	 * --network is specified.
	 *
	 * Search/replace intelligently handles PHP serialized data, and does not
	 * change primary key values.
	 *
	 * ## OPTIONS
	 *
	 * <old>
	 * : A string to search for within the database.
	 *
	 * <new>
	 * : Replace instances of the first string with this new string.
	 *
	 * [<table>...]
	 * : List of database tables to restrict the replacement to. Wildcards are
	 * supported, e.g. 'wp_*_options' or 'wp_post*'.
	 *
	 * [--dry-run]
	 * : Run the entire search/replace operation and show report, but don't save
	 * changes to the database.
	 *
	 * [--network]
	 * : Search/replace through all the tables registered to $wpdb in a
	 * multisite install.
	 *
	 * [--all-tables-with-prefix]
	 * : Enable replacement on any tables that match the table prefix even if
	 * not registered on $wpdb.
	 *
	 * [--all-tables]
	 * : Enable replacement on ALL tables in the database, regardless of the
	 * prefix, and even if not registered on $wpdb. Overrides --network
	 * and --all-tables-with-prefix.
	 *
	 * [--export[=<file>]]
	 * : Write transformed data as SQL file instead of saving replacements to
	 * the database. If <file> is not supplied, will output to STDOUT.
	 *
	 * [--skip-columns=<columns>]
	 * : Do not perform the replacement on specific columns. Use commas to
	 * specify multiple columns. 'guid' is skipped by default.
	 *
	 * [--precise]
	 * : Force the use of PHP (instead of SQL) which is more thorough,
	 * but slower.
	 *
	 * [--recurse-objects]
	 * : Enable recursing into objects to replace strings. Defaults to true;
	 * pass --no-recurse-objects to disable.
	 *
	 * [--verbose]
	 * : Prints rows to the console as they're updated.
	 *
	 * [--regex]
	 * : Runs the search using a regular expression. Warning: search-replace
	 * will take about 15-20x longer when using --regex.
	 *
	 * ## EXAMPLES
	 *
	 *     wp search-replace 'http://example.dev' 'http://example.com' --skip-columns=guid
	 *
	 *     wp search-replace 'foo' 'bar' wp_posts wp_postmeta wp_terms --dry-run
	 *
	 *     # Turn your production database into a local database
	 *     wp search-replace --url=example.com example.com example.dev wp_\*_options
	 *
	 *     # Search/replace to a SQL file without transforming the database
	 *     wp search-replace foo bar --export=database.sql
	 */
	public function __invoke( $args, $assoc_args ) {
		global $wpdb;
		$old             = array_shift( $args );
		$new             = array_shift( $args );
		$total           = 0;
		$report          = array();
		$this->dry_run         = \WP_CLI\Utils\get_flag_value( $assoc_args, 'dry-run' );
		$php_only        = \WP_CLI\Utils\get_flag_value( $assoc_args, 'precise' );
		$this->recurse_objects = \WP_CLI\Utils\get_flag_value( $assoc_args, 'recurse-objects', true );
		$this->verbose         =  \WP_CLI\Utils\get_flag_value( $assoc_args, 'verbose' );
		$this->regex           =  \WP_CLI\Utils\get_flag_value( $assoc_args, 'regex' );

		$this->skip_columns = explode( ',', \WP_CLI\Utils\get_flag_value( $assoc_args, 'skip-columns' ) );

		if ( $old === $new && ! $this->regex ) {
			WP_CLI::warning( "Replacement value '{$old}' is identical to search value '{$new}'. Skipping operation." );
			exit;
		}

		if ( null !== ( $export = \WP_CLI\Utils\get_flag_value( $assoc_args, 'export' ) ) ) {
			if ( $this->dry_run ) {
				WP_CLI::error( 'You cannot supply --dry-run and --export at the same time.' );
			}
			if ( true === $export ) {
				$this->export_handle = STDOUT;
				$this->verbose = false;
			} else {
				$this->export_handle = fopen( $assoc_args['export'], 'w' );
				if ( false === $this->export_handle ) {
					WP_CLI::error( sprintf( 'Unable to open "%s" for writing.', $assoc_args['export'] ) );
				}
			}
			$php_only = true;
		}

		// never mess with hashed passwords
		$this->skip_columns[] = 'user_pass';

		// Get table names based on leftover $args or supplied $assoc_args
		$tables = \WP_CLI\Utils\wp_get_table_names( $args, $assoc_args );
		foreach ( $tables as $table ) {

			if ( $this->export_handle ) {
				fwrite( $this->export_handle, "\nDROP TABLE IF EXISTS `$table`;\n" );
				$row = $wpdb->get_row( "SHOW CREATE TABLE `$table`", ARRAY_N );
				fwrite( $this->export_handle, $row[1] . ";\n" );
				list( $table_report, $total_rows ) = $this->php_export_table( $table, $old, $new );
				$report = array_merge( $report, $table_report );
				$total += $total_rows;
				// Don't perform replacements on the actual database
				continue;
			}

			list( $primary_keys, $columns, $all_columns ) = self::get_columns( $table );

			// since we'll be updating one row at a time,
			// we need a primary key to identify the row
			if ( empty( $primary_keys ) ) {
				$report[] = array( $table, '', 'skipped' );
				continue;
			}

			foreach ( $columns as $col ) {
				if ( in_array( $col, $this->skip_columns ) ) {
					continue;
				}

				if ( $this->verbose ) {
					$this->start_time = microtime( true );
					WP_CLI::log( sprintf( 'Checking: %s.%s', $table, $col ) );
				}

				if ( ! $php_only && ! $this->regex ) {
					$serialRow = $wpdb->get_row( "SELECT * FROM `$table` WHERE `$col` REGEXP '^[aiO]:[1-9]' LIMIT 1" );
				}

				if ( $php_only || $this->regex || NULL !== $serialRow ) {
					$type = 'PHP';
					$count = $this->php_handle_col( $col, $primary_keys, $table, $old, $new );
				} else {
					$type = 'SQL';
					$count = $this->sql_handle_col( $col, $table, $old, $new );
				}

				$report[] = array( $table, $col, $count, $type );

				$total += $count;
			}
		}

		if ( $this->export_handle && STDOUT !== $this->export_handle ) {
			fclose( $this->export_handle );
		}

		// Only informational output after this point
		if ( WP_CLI::get_config( 'quiet' ) || STDOUT === $this->export_handle ) {
			return;
		}

		$table = new \cli\Table();
		$table->setHeaders( array( 'Table', 'Column', 'Replacements', 'Type' ) );
		$table->setRows( $report );
		$table->display();

		if ( ! $this->dry_run ) {
			if ( ! empty( $assoc_args['export'] ) ) {
				$success_message = "Made {$total} replacements and exported to {$assoc_args['export']}.";
			} else {
				$success_message = "Made $total replacements.";
				if ( $total && 'Default' !== WP_CLI\Utils\wp_get_cache_type() ) {
					$success_message .= ' Please remember to flush your persistent object cache with `wp cache flush`.';
				}
			}
			WP_CLI::success( $success_message );
		}
	}

	private function php_export_table( $table, $old, $new ) {
		list( $primary_keys, $columns, $all_columns ) = self::get_columns( $table );
		$chunk_size = getenv( 'BEHAT_RUN' ) ? 10 : 1000;
		$args = array(
			'table'      => $table,
			'fields'     => $all_columns,
			'chunk_size' => $chunk_size
		);

		$replacer = new \WP_CLI\SearchReplacer( $old, $new, $this->recurse_objects, $this->regex );
		$col_counts = array_fill_keys( $all_columns, 0 );
		if ( $this->verbose ) {
			$this->start_time = microtime( true );
			WP_CLI::log( sprintf( 'Checking: %s', $table ) );
		}
		foreach ( new \WP_CLI\Iterators\Table( $args ) as $i => $row ) {
			$row_fields = array();
			foreach( $all_columns as $col ) {
				$value = $row->$col;
				if ( $value && ! in_array( $col, $primary_keys ) && ! in_array( $col, $this->skip_columns ) ) {
					$new_value = $replacer->run( $value );
					if ( $new_value !== $value ) {
						$col_counts[ $col ]++;
						$value = $new_value;
					}
				}
				$row_fields[ $col ] = $value;
			}
			$this->write_sql_row_fields( $table, $row_fields );
		}

		$table_report = array();
		$total_rows = $total_cols = 0;
		foreach ( $col_counts as $col => $col_count ) {
			$table_report[] = array( $table, $col, $col_count, 'PHP' );
			if ( $col_count ) {
				$total_cols++;
				$total_rows += $col_count;
			}
		}

		if ( $this->verbose ) {
			$time = round( microtime( true ) - $this->start_time, 3 );
			WP_CLI::log( sprintf( '%d columns and %d total rows affected using PHP (in %ss)', $total_cols, $total_rows, $time ) );
		}

		return array( $table_report, $total_rows );
	}

	private function sql_handle_col( $col, $table, $old, $new ) {
		global $wpdb;

		if ( $this->dry_run ) {
			$count = $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(`$col`) FROM `$table` WHERE `$col` LIKE %s;", '%' . self::esc_like( $old ) . '%' ) );
		} else {
			$count = $wpdb->query( $wpdb->prepare( "UPDATE `$table` SET `$col` = REPLACE(`$col`, %s, %s);", $old, $new ) );
		}

		if ( $this->verbose ) {
			$time = round( microtime( true ) - $this->start_time, 3 );
			WP_CLI::log( sprintf( '%d rows affected using SQL (in %ss)', $count, $time ) );
		}
		return $count;
	}

	private function php_handle_col( $col, $primary_keys, $table, $old, $new ) {
		global $wpdb;

		$count = 0;
		$replacer = new \WP_CLI\SearchReplacer( $old, $new, $this->recurse_objects, $this->regex );

		$where = $this->regex ? '' : " WHERE `$col`" . $wpdb->prepare( ' LIKE %s', '%' . self::esc_like( $old ) . '%' );
		$primary_keys_sql = esc_sql( implode( ',', $primary_keys ) );
		$col_sql = esc_sql( $col );
		$table_sql = esc_sql( $table );
		$rows = $wpdb->get_results( "SELECT {$primary_keys_sql} FROM {$table_sql}{$where}" );
		foreach ( $rows as $keys ) {
			$where_sql = '';
			foreach( (array) $keys as $k => $v ) {
				$where_sql .= "{$k}={$v}";
			}
			$col_value = $wpdb->get_var( "SELECT {$col_sql} FROM {$table_sql} WHERE {$where_sql}" );
			if ( '' === $col_value )
				continue;

			$value = $replacer->run( $col_value );

			if ( $value === $col_value ) {
				continue;
			}

			if ( $this->dry_run ) {
				if ( $value != $col_value )
					$count++;
			} else {
				$where = array();
				foreach( (array) $keys as $k => $v ) {
					$where[ $k ] = $v;
				}

				$count += $wpdb->update( $table, array( $col => $value ), $where );
			}
		}

		if ( $this->verbose ) {
			$time = round( microtime( true ) - $this->start_time, 3 );
			WP_CLI::log( sprintf( '%d rows affected using PHP (in %ss)', $count, $time ) );
		}

		return $count;
	}

	private function write_sql_row_fields( $table, $row_fields ) {
		global $wpdb;
		$sql = "INSERT INTO `$table` (";
		$sql .= join( ', ', array_map(
		function ( $field ) {
			return "`$field`";
		},
		array_keys( $row_fields )
		) );
		$sql .= ') VALUES (';
		$sql .= join( ', ', array_fill( 0, count( $row_fields ), '%s' ) );
		$sql .= ");\n";
		$sql = $wpdb->prepare( $sql, array_values( $row_fields ) );
		fwrite( $this->export_handle, $sql );
	}

	private static function get_columns( $table ) {
		global $wpdb;

		$primary_keys = $text_columns = $all_columns = array();
		foreach ( $wpdb->get_results( "DESCRIBE $table" ) as $col ) {
			if ( 'PRI' === $col->Key ) {
				$primary_keys[] = $col->Field;
			}
			if ( self::is_text_col( $col->Type ) ) {
				$text_columns[] = $col->Field;
			}
			$all_columns[] = $col->Field;
		}
		return array( $primary_keys, $text_columns, $all_columns );
	}

	private static function is_text_col( $type ) {
		foreach ( array( 'text', 'varchar' ) as $token ) {
			if ( false !== strpos( $type, $token ) )
				return true;
		}

		return false;
	}

	private static function esc_like( $old ) {
		global $wpdb;

		// Remove notices in 4.0 and support backwards compatibility
		if( method_exists( $wpdb, 'esc_like' ) ) {
			// 4.0
			$old = $wpdb->esc_like( $old );
		} else {
			// 3.9 or less
			$old = like_escape( esc_sql( $old ) );
		}

		return $old;
	}

}

WP_CLI::add_command( 'search-replace', 'Search_Replace_Command' );

<?php

class Server_Command extends WP_CLI_Command {

	/**
	 * Launch PHP's built-in web server for this specific WordPress installation.
	 *
	 * <http://php.net/manual/en/features.commandline.webserver.php>
	 *
	 * ## OPTIONS
	 *
	 * [--host=<host>]
	 * : The hostname to bind the server to. Default: localhost
	 *
	 * [--port=<port>]
	 * : The port number to bind the server to. Default: 8080
	 *
	 * [--docroot=<path>]
	 * : The path to use as the document root.
	 *
	 * ## EXAMPLES
	 *
	 *     # Make the instance available on any address (with port 8080)
	 *     wp server --host=0.0.0.0
	 *
	 *     # Run on port 80 (for multisite)
	 *     sudo wp server --host=localhost.localdomain --port=80
	 *
	 * @when before_wp_load
	 */
	function __invoke( $_, $assoc_args ) {
		$min_version = '5.4';
		if ( version_compare( PHP_VERSION, $min_version, '<' ) ) {
			WP_CLI::error( "The `wp server` command requires PHP $min_version or newer." );
		}

		$defaults = array(
			'host' => 'localhost',
			'port' => 8080,
			'docroot' => false
		);
		$assoc_args = array_merge( $defaults, $assoc_args );

		$docroot = $assoc_args['docroot'];

		if ( !$docroot ) {
			$config_path = WP_CLI::get_runner()->project_config_path;

			if ( !$config_path ) {
				$docroot = ABSPATH;
			} else {
				$docroot = dirname( $config_path );
			}
		}

		$cmd = \WP_CLI\Utils\esc_cmd( PHP_BINARY . ' -S %s -t %s %s',
			$assoc_args['host'] . ':' . $assoc_args['port'],
			$docroot,
			\WP_CLI\Utils\extract_from_phar( WP_CLI_ROOT . '/php/router.php' )
		);

		$descriptors = array( STDIN, STDOUT, STDERR );

		exit( proc_close( proc_open( $cmd, $descriptors, $pipes ) ) );
	}
}

WP_CLI::add_command( 'server', 'Server_Command' );

<?php

class Shell_Command extends \WP_CLI_Command {

	/**
	 * Interactive PHP console.
	 *
	 * ## DESCRIPTION
	 *
	 * `wp shell` allows you to evaluate PHP statements and expressions interactively, from within a WordPress environment. This means that you have access to all the functions, classes and globals that you would have access to from inside a WordPress plugin, for example.
	 *
	 * ## OPTIONS
	 *
	 * [--basic]
	 * : Start in fail-safe mode, even if Boris is available.
	 */
	public function __invoke( $_, $assoc_args ) {
		$implementations = array(
			'\\Psy\\Shell',
			'\\Boris\\Boris',
			'\\WP_CLI\\REPL',
		);

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'basic' ) ) {
			$class = '\\WP_CLI\\REPL';
		} else {
			foreach ( $implementations as $candidate ) {
				if ( class_exists( $candidate ) ) {
					$class = $candidate;
					break;
				}
			}
		}

		if ( '\\Psy\\Shell' == $class ) {
			\Psy\Shell::debug();
		} else {
			$repl = new $class( 'wp> ' );
			$repl->start();
		}
	}
}

\WP_CLI::add_command( 'shell', 'Shell_Command' );

<?php

/**
 * Manage sidebars.
 */
class Sidebar_Command extends WP_CLI_Command {

	private $fields = array(
		'name',
		'id',
		'description'
	);

	/**
	 * List registered sidebars.
	 *
	 * ## OPTIONS
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific object fields.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, csv, json, count. Default: table
	 *
	 * ## AVAILABLE FIELDS
	 *
	 * These fields will be displayed by default for each sidebar:
	 *
	 * * name
	 * * id
	 * * description
	 *
	 * These fields are optionally available:
	 *
	 * * class
	 * * before_widget
	 * * after_widget
	 * * before_title
	 * * after_title
	 *
	 * ## EXAMPLES
	 *
	 *     wp sidebar list --fields=name,id --format=csv
	 *
	 * @subcommand list
	 */
	public function list_( $args, $assoc_args ) {
		global $wp_registered_sidebars;

		\WP_CLI\Utils\wp_register_unused_sidebar();

		$formatter = new \WP_CLI\Formatter( $assoc_args, $this->fields );
		$formatter->display_items( $wp_registered_sidebars );
	}

}

WP_CLI::add_command( 'sidebar', 'Sidebar_Command' );
<?php

/**
 * Perform site-wide operations.
 *
 * @package wp-cli
 */
class Site_Command extends \WP_CLI\CommandWithDBObject {

	protected $obj_type = 'site';
	protected $obj_id_key = 'blog_id';

	public function __construct() {
		$this->fetcher = new \WP_CLI\Fetchers\Site;
	}

	/**
	 * Delete comments.
	 */
	private function _empty_comments() {
		global $wpdb;

		// Empty comments and comment cache
		$comment_ids = $wpdb->get_col( "SELECT comment_ID FROM $wpdb->comments" );
		foreach ( $comment_ids as $comment_id ) {
			wp_cache_delete( $comment_id, 'comment' );
			wp_cache_delete( $comment_id, 'comment_meta' );
		}
		$wpdb->query( "TRUNCATE $wpdb->comments" );
		$wpdb->query( "TRUNCATE $wpdb->commentmeta" );
	}

	/**
	 * Delete all posts.
	 */
	private function _empty_posts() {
		global $wpdb;

		// Empty posts and post cache
		$posts_query = "SELECT ID FROM $wpdb->posts";
		$posts = new WP_CLI\Iterators\Query( $posts_query, 10000 );

		$taxonomies = get_taxonomies();

		while ( $posts->valid() ) {
			$post_id = $posts->current()->ID;

			wp_cache_delete( $post_id, 'posts' );
			wp_cache_delete( $post_id, 'post_meta' );
			foreach ( $taxonomies as $taxonomy )
				wp_cache_delete( $post_id, "{$taxonomy}_relationships" );
			wp_cache_delete( $wpdb->blogid . '-' . $post_id, 'global-posts' );

			$posts->next();
		}
		$wpdb->query( "TRUNCATE $wpdb->posts" );
		$wpdb->query( "TRUNCATE $wpdb->postmeta" );
	}

	/**
	 * Delete terms, taxonomies, and tax relationships.
	 */
	private function _empty_taxonomies() {
		global $wpdb;

		// Empty taxonomies and terms
		$terms = $wpdb->get_results( "SELECT term_id, taxonomy FROM $wpdb->term_taxonomy" );
		$ids = array();
		$taxonomies = array();
		foreach ( (array) $terms as $term ) {
			$taxonomies[] = $term->taxonomy;
			$ids[] = $term->term_id;
			wp_cache_delete( $term->term_id, $term->taxonomy );
		}

		$taxonomies = array_unique( $taxonomies );
		$cleaned = array();
		foreach ( $taxonomies as $taxonomy ) {
			if ( isset( $cleaned[$taxonomy] ) )
				continue;
			$cleaned[$taxonomy] = true;

			wp_cache_delete( 'all_ids', $taxonomy );
			wp_cache_delete( 'get', $taxonomy );
			delete_option( "{$taxonomy}_children" );
		}
		$wpdb->query( "TRUNCATE $wpdb->terms" );
		$wpdb->query( "TRUNCATE $wpdb->term_taxonomy" );
		$wpdb->query( "TRUNCATE $wpdb->term_relationships" );
	}

	/**
	 * Insert default terms.
	 */
	private function _insert_default_terms() {
		global $wpdb;

		// Default category
		$cat_name = __( 'Uncategorized' );

		/* translators: Default category slug */
		$cat_slug = sanitize_title( _x( 'Uncategorized', 'Default category slug' ) );

		if ( global_terms_enabled() ) {
			$cat_id = $wpdb->get_var( $wpdb->prepare( "SELECT cat_ID FROM {$wpdb->sitecategories} WHERE category_nicename = %s", $cat_slug ) );
			if ( $cat_id == null ) {
				$wpdb->insert( $wpdb->sitecategories, array('cat_ID' => 0, 'cat_name' => $cat_name, 'category_nicename' => $cat_slug, 'last_updated' => current_time('mysql', true)) );
				$cat_id = $wpdb->insert_id;
			}
			update_option('default_category', $cat_id);
		} else {
			$cat_id = 1;
		}

		$wpdb->insert( $wpdb->terms, array('term_id' => $cat_id, 'name' => $cat_name, 'slug' => $cat_slug, 'term_group' => 0) );
		$wpdb->insert( $wpdb->term_taxonomy, array('term_id' => $cat_id, 'taxonomy' => 'category', 'description' => '', 'parent' => 0, 'count' => 1));
	}

	/**
	 * Empty a site of its content (posts, comments, and terms).
	 *
	 * ## OPTIONS
	 *
	 * [--uploads]
	 * : Also delete *all* files in the site's in the uploads directory.
	 *
	 * [--yes]
	 * : Proceed to empty the site without a confirmation prompt.
	 *
	 * @subcommand empty
	 */
	public function _empty( $args, $assoc_args ) {

		$upload_message = '';
		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'uploads' ) ) {
			$upload_message = ', and delete its uploads directory';
		}

		WP_CLI::confirm( 'Are you sure you want to empty the site at ' . site_url() . ' of all posts, comments, and terms' . $upload_message . '?', $assoc_args );

		$this->_empty_posts();
		$this->_empty_comments();
		$this->_empty_taxonomies();
		$this->_insert_default_terms();

		if ( ! empty( $upload_message ) ) {
			$upload_dir = wp_upload_dir();
			$files = new RecursiveIteratorIterator(
				new RecursiveDirectoryIterator( $upload_dir['basedir'], RecursiveDirectoryIterator::SKIP_DOTS ),
				RecursiveIteratorIterator::CHILD_FIRST
			);

			foreach ( $files as $fileinfo ) {
				$realpath = $fileinfo->getRealPath();
				// Don't clobber subsites when operating on the main site
				if ( is_main_site() && false !== stripos( $realpath, '/sites/' ) ) {
					continue;
				}
				$todo = $fileinfo->isDir() ? 'rmdir' : 'unlink';
				$todo( $realpath );
			}
			rmdir( $upload_dir['basedir'] );
		}

		WP_CLI::success( 'The site at ' . site_url() . ' was emptied.' );
	}

	/**
	 * Delete a site in a multisite install.
	 *
	 * ## OPTIONS
	 *
	 * [<site-id>]
	 * : The id of the site to delete. If not provided, you must set the --slug parameter.
	 *
	 * [--slug=<slug>]
	 * : Path of the blog to be deleted. Subdomain on subdomain installs, directory on subdirectory installs.
	 *
	 * [--yes]
	 * : Answer yes to the confirmation message.
	 *
	 * [--keep-tables]
	 * : Delete the blog from the list, but don't drop it's tables.
	 */
	function delete( $args, $assoc_args ) {
		if ( !is_multisite() ) {
			WP_CLI::error( 'This is not a multisite install.' );
		}

		if ( isset( $assoc_args['slug'] ) ) {
			$blog = get_blog_details( trim( $assoc_args['slug'], '/' ) );
		} else {
			if ( empty( $args ) ) {
				WP_CLI::error( "Need to specify a blog id." );
			}

			$blog_id = $args[0];

			$blog = get_blog_details( $blog_id );
		}

		if ( !$blog ) {
			WP_CLI::error( "Site not found." );
		}

		WP_CLI::confirm( "Are you sure you want to delete the $blog->siteurl site?", $assoc_args );

		wpmu_delete_blog( $blog->blog_id, ! \WP_CLI\Utils\get_flag_value( $assoc_args, 'keep-tables' ) );

		WP_CLI::success( "The site at $blog->siteurl was deleted." );
	}

	/**
	 * Create a site in a multisite install.
	 *
	 * ## OPTIONS
	 *
	 * --slug=<slug>
	 * : Path for the new site. Subdomain on subdomain installs, directory on subdirectory installs.
	 *
	 * [--title=<title>]
	 * : Title of the new site. Default: prettified slug.
	 *
	 * [--email=<email>]
	 * : Email for Admin user. User will be created if none exists. Assignement to Super Admin if not included.
	 *
	 * [--network_id=<network-id>]
	 * : Network to associate new site with. Defaults to current network (typically 1).
	 *
	 * [--private]
	 * : If set, the new site will be non-public (not indexed)
	 *
	 * [--porcelain]
	 * : If set, only the site id will be output on success.
	 */
	public function create( $_, $assoc_args ) {
		if ( !is_multisite() ) {
			WP_CLI::error( 'This is not a multisite install.' );
		}

		global $wpdb, $current_site;

		$base = $assoc_args['slug'];
		$title = \WP_CLI\Utils\get_flag_value( $assoc_args, 'title', ucfirst( $base ) );

		$email = empty( $assoc_args['email'] ) ? '' : $assoc_args['email'];

		// Network
		if ( !empty( $assoc_args['network_id'] ) ) {
			$network = $this->_get_network( $assoc_args['network_id'] );
			if ( $network === false ) {
				WP_CLI::error( sprintf( 'Network with id %d does not exist.', $assoc_args['network_id'] ) );
			}
		}
		else {
			$network = $current_site;
		}

		$public = ! \WP_CLI\Utils\get_flag_value( $assoc_args, 'private' );

		// Sanitize
		if ( preg_match( '|^([a-zA-Z0-9-])+$|', $base ) ) {
			$base = strtolower( $base );
		}

		// If not a subdomain install, make sure the domain isn't a reserved word
		if ( !is_subdomain_install() ) {
			$subdirectory_reserved_names = apply_filters( 'subdirectory_reserved_names', array( 'page', 'comments', 'blog', 'files', 'feed' ) );
			if ( in_array( $base, $subdirectory_reserved_names ) ) {
				WP_CLI::error( 'The following words are reserved and cannot be used as blog names: ' . implode( ', ', $subdirectory_reserved_names ) );
			}
		}

		// Check for valid email, if not, use the first Super Admin found
		// Probably a more efficient way to do this so we dont query for the
		// User twice if super admin
		$email = sanitize_email( $email );
		if ( empty( $email ) || !is_email( $email ) ) {
			$super_admins = get_super_admins();
			$email = '';
			if ( !empty( $super_admins ) && is_array( $super_admins ) ) {
				// Just get the first one
				$super_login = $super_admins[0];
				$super_user = get_user_by( 'login', $super_login );
				if ( $super_user ) {
					$email = $super_user->user_email;
				}
			}
		}

		if ( is_subdomain_install() ) {
			$path = '/';
			$url = $newdomain = $base.'.'.preg_replace( '|^www\.|', '', $network->domain );
		}
		else {
			$newdomain = $network->domain;
			$path = '/' . trim( $base, '/' ) . '/';
			$url = $network->domain . $path;
		}

		$user_id = email_exists( $email );
		if ( !$user_id ) { // Create a new user with a random password
			$password = wp_generate_password( 12, false );
			$user_id = wpmu_create_user( $base, $password, $email );
			if ( false == $user_id ) {
				WP_CLI::error( "Can't create user." );
			}
			else {
				wp_new_user_notification( $user_id, $password );
			}
		}

		$wpdb->hide_errors();
		$id = wpmu_create_blog( $newdomain, $path, $title, $user_id, array( 'public' => $public ), $network->id );
		$wpdb->show_errors();
		if ( !is_wp_error( $id ) ) {
			if ( !is_super_admin( $user_id ) && !get_user_option( 'primary_blog', $user_id ) ) {
				update_user_option( $user_id, 'primary_blog', $id, true );
			}
			// Prevent mailing admins of new sites
			// @TODO argument to pass in?
			// $content_mail = sprintf(__( "New site created by WP Command Line Interface\n\nAddress: %2s\nName: %3s"), get_site_url($id), stripslashes($title));
			// wp_mail(get_site_option('admin_email'), sprintf(__('[%s] New Site Created'), $current_site->site_name), $content_mail, 'From: "Site Admin" <'.get_site_option( 'admin_email').'>');
		}
		else {
			WP_CLI::error( $id->get_error_message() );
		}

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'porcelain' ) )
			WP_CLI::line( $id );
		else
			WP_CLI::success( "Site $id created: $url" );
	}

	/**
	 * Get network data for a given id.
	 *
	 * @param int     $network_id
	 * @return bool|array False if no network found with given id, array otherwise
	 */
	private function _get_network( $network_id ) {
		global $wpdb;

		// Load network data
		$networks = $wpdb->get_results( $wpdb->prepare(
			"SELECT * FROM $wpdb->site WHERE id = %d", $network_id ) );

		if ( !empty( $networks ) ) {
			// Only care about domain and path which are set here
			return $networks[0];
		}

		return false;
	}

	/**
	 * List all sites in a multisite install.
	 *
	 * ## OPTIONS
	 *
	 * [--network=<id>]
	 * : The network to which the sites belong.
	 *
	 * [--<field>=<value>]
	 * : Filter by one or more fields.
	 *
	 * [--field=<field>]
	 * : Prints the value of a single field for each site.
	 *
	 * [--fields=<fields>]
	 * : Comma-separated list of fields to show.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, csv, json, count. Default: table
	 *
	 * ## AVAILABLE FIELDS
	 *
	 * These fields will be displayed by default for each site:
	 *
	 * * blog_id
	 * * url
	 * * last_updated
	 * * registered
	 *
	 * These fields are optionally available:
	 *
	 * * site_id
	 * * domain
	 * * path
	 * * public
	 * * archived
	 * * mature
	 * * spam
	 * * deleted
	 * * lang_id
	 *
	 * ## EXAMPLES
	 *
	 *     # Output a simple list of site URLs
	 *     wp site list --field=url
	 *
	 * @subcommand list
	 */
	public function list_( $_, $assoc_args ) {
		if ( !is_multisite() ) {
			WP_CLI::error( 'This is not a multisite install.' );
		}

		global $wpdb;

		if ( isset( $assoc_args['fields'] ) ) {
			$assoc_args['fields'] = preg_split( '/,[ \t]*/', $assoc_args['fields'] );
		}

		$defaults = array(
			'format' => 'table',
			'fields' => array( 'blog_id', 'url', 'last_updated', 'registered' ),
		);
		$assoc_args = array_merge( $defaults, $assoc_args );

		$where = array();
		$append = '';

		$site_cols = array( 'blog_id', 'url', 'last_updated', 'registered', 'site_id', 'domain', 'path', 'public', 'archived', 'mature', 'spam', 'deleted', 'lang_id' );
		foreach( $site_cols as $col ) {
			if ( isset( $assoc_args[ $col ] ) ) {
				$where[ $col ] = $assoc_args[ $col ];
			}
		}

		if ( isset( $assoc_args['site__in'] ) ) {
			$where['blog_id'] = explode( ',', $assoc_args['site__in'] );
			$append = "ORDER BY FIELD( blog_id, " . implode( ',', array_map( 'intval', $where['blog_id'] ) ) . " )";
		}

		if ( isset( $assoc_args['network'] ) ) {
			$where['site_id'] = $assoc_args['network'];
		}

		$iterator_args = array(
			'table' => $wpdb->blogs,
			'where' => $where,
			'append' => $append,
		);
		$it = new \WP_CLI\Iterators\Table( $iterator_args );

		$it = \WP_CLI\Utils\iterator_map( $it, function( $blog ) {
			$blog->url = trailingslashit( get_site_url( $blog->blog_id ) );
			return $blog;
		} );

		$formatter = new \WP_CLI\Formatter( $assoc_args, null, 'site' );
		$formatter->display_items( $it );
	}

	/**
	 * Archive one or more sites
	 *
	 * ## OPTIONS
	 *
	 * <id>...
	 * : One or more IDs of sites to archive.
	 *
	 * ## EXAMPLES
	 *
	 *     wp site archive 123
	 */
	public function archive( $args ) {
		$this->update_site_status( $args, 'archived', 1 );
	}

	/**
	 * Unarchive one or more sites
	 *
	 * ## OPTIONS
	 *
	 * <id>...
	 * : One or more IDs of sites to unarchive.
	 *
	 * ## EXAMPLES
	 *
	 *     wp site unarchive 123
	 */
	public function unarchive( $args ) {
		$this->update_site_status( $args, 'archived', 0 );
	}

	/**
	 * Activate one or more sites
	 *
	 * ## OPTIONS
	 *
	 * <id>...
	 * : One or more IDs of sites to activate.
	 *
	 * ## EXAMPLES
	 *
	 *     wp site activate 123
	 */
	public function activate( $args ) {
		$this->update_site_status( $args, 'deleted', 0 );
	}

	/**
	 * Deactivate one or more sites
	 *
	 * ## OPTIONS
	 *
	 * <id>...
	 * : One or more IDs of sites to deactivate.
	 *
	 * ## EXAMPLES
	 *
	 *     wp site deactivate 123
	 */
	public function deactivate( $args ) {
		$this->update_site_status( $args, 'deleted', 1 );
	}

	/**
	 * Mark one or more sites as spam
	 *
	 * ## OPTIONS
	 *
	 * <id>...
	 * : One or more IDs of sites to be marked as spam.
	 *
	 * ## EXAMPLES
	 *
	 *     wp site spam 123
	 */
	public function spam( $args ) {
		$this->update_site_status( $args, 'spam', 1 );
	}

	/**
	 * Remove one or more sites from spam
	 *
	 * ## OPTIONS
	 *
	 * <id>...
	 * : One or more IDs of sites to remove from spam.
	 *
	 * ## EXAMPLES
	 *
	 *     wp site unspam 123
	 *
	 * @subcommand unspam
	 */
	public function unspam( $args ) {
		$this->update_site_status( $args, 'spam', 0 );
	}

	private function update_site_status( $ids, $pref, $value ) {
		if ( $pref == 'archived' && $value == 1 ) {
			$action = 'archived';
		} else if ( $pref == 'archived' && $value == 0) {
			$action = 'unarchived';
		} else if ( $pref == 'deleted' && $value == 1 ) {
			$action = 'deactivated';
		} else if ( $pref == 'deleted' && $value == 0 ) {
			$action = 'activated';
		} else if ( $pref == 'spam' && $value == 1 ) {
			$action = 'marked as spam';
		} else if ( $pref == 'spam' && $value == 0 ) {
			$action = 'removed from spam';
		}

		foreach ( $ids as $site_id ) {
			$site = $this->fetcher->get_check( $site_id );

			if ( is_main_site( $site->blog_id ) ) {
				WP_CLI::warning( "You are not allowed to change the main site." );
				continue;
			}

			$old_value = get_blog_status( $site->blog_id, $pref );

			if ( $value == $old_value ) {
				WP_CLI::warning( "Site {$site->blog_id} already {$action}." );
				continue;
			}

			update_blog_status( $site->blog_id, $pref, $value );
			WP_CLI::success( "Site {$site->blog_id} {$action}." );
		}
	}
}

WP_CLI::add_command( 'site', 'Site_Command' );

<?php

/**
 * List, add, and remove super admins from a network.
 */
class Super_Admin_Command extends WP_CLI_Command {

	public function __construct() {
		$this->fetcher = new \WP_CLI\Fetchers\User;
	}

	/**
	 * Show a list of users with super-admin capabilities.
	 *
	 * @subcommand list
	 */
	public function _list( $_, $assoc_args ) {
		$super_admins = self::get_admins();
		foreach ( $super_admins as $user_login ) {
			WP_CLI::line( $user_login );
		}
	}

	/**
	 * Grant super-admin privileges to one or more users.
	 *
	 * <user>...
	 * : One or more user IDs, user emails, or user logins.
	 */
	public function add( $args, $_ ) {

		$users = $this->fetcher->get_many( $args );
		$user_logins = wp_list_pluck( $users, 'user_login' );
		$super_admins = self::get_admins();
		$num_super_admins = count( $super_admins );

		foreach ( $user_logins as $user_login ) {
			$user = get_user_by( 'login', $user_login );

			if ( !$user ) {
				WP_CLI::warning( "Couldn't find {$user_login} user." );
				continue;
			}

			if ( in_array( $user->user_login, $super_admins ) ) {
				WP_CLI::warning( "User {$user_login} already has super-admin capabilities." );
				continue;
			}

			$super_admins[] = $user->user_login;
		}

		if ( $num_super_admins === count( $super_admins ) ) {
			WP_CLI::log( 'No changes.' );
		} else {
			if ( update_site_option( 'site_admins' , $super_admins ) ) {
				WP_CLI::success( 'Granted super-admin capabilities.' );
			} else {
				WP_CLI::error( 'Site options update failed!' );
			}
		}
	}

	/**
	 * Revoke super-admin privileges to one or more users.
	 *
	 * <user>...
	 * : One or more user IDs, user emails, or user logins.
	 */
	public function remove( $args, $_ ) {
		$users = $this->fetcher->get_many( $args );
		$user_logins = wp_list_pluck( $users, 'user_login' );

		$super_admins = self::get_admins();
		$super_admins = array_diff( $super_admins, $user_logins );
		update_site_option( 'site_admins' , $super_admins );
		WP_CLI::success( 'Revoked super-admin capabilities.' );
	}

	private static function get_admins() {
		// We don't use get_super_admins() because we don't want to mess with the global
		return get_site_option( 'site_admins', array('admin') );
	}
}

WP_CLI::add_command( 'super-admin', 'Super_Admin_Command', array(
	'before_invoke' => function () {
		if ( !is_multisite() ) {
			WP_CLI::error( 'This is not a multisite install.' );
		}
	}
) );
<?php
/**
 * Manage taxonomies.
 *
 * @package wp-cli
 */
class Taxonomy_Command extends WP_CLI_Command {

	private $fields = array(
		'name',
		'label',
		'description',
		'object_type',
		'show_tagcloud',
		'hierarchical',
		'public',
	);

	public function __construct() {

		if ( \WP_CLI\Utils\wp_version_compare( 3.7, '<' ) ) {
			// remove description for wp <= 3.7
			$this->fields = array_values( array_diff( $this->fields, array( 'description' ) ) );
		}

		parent::__construct();
	}

	/**
	 * List taxonomies.
	 *
	 * ## OPTIONS
	 *
	 * [--<field>=<value>]
	 * : Filter by one or more fields (see get_taxonomies() first parameter for a list of available fields).
	 *
	 * [--field=<field>]
	 * : Prints the value of a single field for each taxonomy.
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific taxonomy fields.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, csv, json, count. Default: table
	 *
	 * ## AVAILABLE FIELDS
	 *
	 * These fields will be displayed by default for each term:
	 *
	 * * name
	 * * label
	 * * description
	 * * public
	 * * hierarchical
	 *
	 * There are no optionally available fields.
	 *
	 * ## EXAMPLES
	 *
	 *     wp taxonomy list --format=csv
	 *
	 *     wp taxonomy list --object-type=post --fields=name,public
	 *
	 * @subcommand list
	 */
	public function list_( $args, $assoc_args ) {
		$formatter = $this->get_formatter( $assoc_args );

		if ( isset( $assoc_args['object_type'] ) ) {
			$assoc_args['object_type'] = array( $assoc_args['object_type'] );
		}

		$taxonomies = get_taxonomies( $assoc_args, 'objects' );

		$taxonomies = array_map( function( $taxonomy ) {
			$taxonomy->object_type = implode( ', ', $taxonomy->object_type );
			return $taxonomy;
		}, $taxonomies );

		$formatter->display_items( $taxonomies );
	}

	/**
	 * Get a taxonomy
	 *
	 * ## OPTIONS
	 *
	 * <taxonomy>
	 * : Taxonomy slug
	 *
	 * [--field=<field>]
	 * : Instead of returning the whole taxonomy, returns the value of a single field.
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific fields. Defaults to all fields.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, json, csv. Default: table
	 *
	 * ## EXAMPLES
	 *
	 *     wp taxonomy get post_tag --format=json
	 */
	public function get( $args, $assoc_args ) {
		$taxonomy = get_taxonomy( $args[0] );

		if ( ! $taxonomy ) {
			WP_CLI::error( "Taxonomy {$args[0]} doesn't exist." );
		}

		if ( empty( $assoc_args['fields'] ) ) {
			$default_fields = array_merge( $this->fields, array(
				'labels',
				'cap'
			) );

			$assoc_args['fields'] = $default_fields;
		}

		$data = array(
			'name'          => $taxonomy->name,
			'label'         => $taxonomy->label,
			'description'   => $taxonomy->description,
			'object_type'   => $taxonomy->object_type,
			'show_tagcloud' => $taxonomy->show_tagcloud,
			'hierarchical'  => $taxonomy->hierarchical,
			'public'        => $taxonomy->public,
			'labels'        => $taxonomy->labels,
			'cap'           => $taxonomy->cap,
		);

		$formatter = $this->get_formatter( $assoc_args );
		$formatter->display_item( $data );
	}

	private function get_formatter( &$assoc_args ) {
		return new \WP_CLI\Formatter( $assoc_args, $this->fields, 'taxonomy' );
	}
}

WP_CLI::add_command( 'taxonomy', 'Taxonomy_Command' );
<?php
/**
 * Manage terms.
 *
 * @package wp-cli
 */
class Term_Command extends WP_CLI_Command {

	private $fields = array(
		'term_id',
		'term_taxonomy_id',
		'name',
		'slug',
		'description',
		'parent',
		'count',
	);

	/**
	 * List terms in a taxonomy.
	 *
	 * ## OPTIONS
	 *
	 * <taxonomy>...
	 * : List terms of one or more taxonomies
	 *
	 * [--<field>=<value>]
	 * : Filter by one or more fields (see get_terms() $args parameter for a list of fields).
	 *
	 * [--field=<field>]
	 * : Prints the value of a single field for each term.
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific object fields.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, csv, json, count. Default: table
	 *
	 * ## AVAILABLE FIELDS
	 *
	 * These fields will be displayed by default for each term:
	 *
	 * * term_id
	 * * term_taxonomy_id
	 * * name
	 * * slug
	 * * description
	 * * parent
	 * * count
	 *
	 * There are no optionally available fields.
	 *
	 * ## EXAMPLES
	 *
	 *     wp term list category --format=csv
	 *
	 *     wp term list post_tag --fields=name,slug
	 *
	 * @subcommand list
	 */
	public function list_( $args, $assoc_args ) {
		$formatter = $this->get_formatter( $assoc_args );

		$defaults = array(
			'hide_empty' => false,
		);
		$assoc_args = array_merge( $defaults, $assoc_args );

		if ( ! empty( $assoc_args['term_id'] ) ) {
			$term = get_term_by( 'id', $assoc_args['term_id'], $args[0] );
			$terms = array( $term );
		} else {
			$terms = get_terms( $args, $assoc_args );
		}

		$terms = array_map( function( $term ){
			$term->count = (int)$term->count;
			$term->parent = (int)$term->parent;
			return $term;
		}, $terms );

		if ( 'ids' == $formatter->format ) {
			$terms = wp_list_pluck( $terms, 'term_id' );
			echo implode( ' ', $terms );
		} else {
			$formatter->display_items( $terms );
		}
	}

	/**
	 * Create a term.
	 *
	 * ## OPTIONS
	 *
	 * <taxonomy>
	 * : Taxonomy for the new term.
	 *
	 * <term>
	 * : A name for the new term.
	 *
	 * [--slug=<slug>]
	 * : A unique slug for the new term. Defaults to sanitized version of name.
	 *
	 * [--description=<description>]
	 * : A description for the new term.
	 *
	 * [--parent=<term-id>]
	 * : A parent for the new term.
	 *
	 * [--porcelain]
	 * : Output just the new term id.
	 *
	 * ## EXAMPLES
	 *
	 *     wp term create category Apple --description="A type of fruit"
	 */
	public function create( $args, $assoc_args ) {

		list( $taxonomy, $term ) = $args;

		$defaults = array(
			'slug'        => sanitize_title( $term ),
			'description' => '',
			'parent'      => 0,
		);
		$assoc_args = wp_parse_args( $assoc_args, $defaults );

		$porcelain = \WP_CLI\Utils\get_flag_value( $assoc_args, 'porcelain' );
		unset( $assoc_args['porcelain'] );

		// Compatibility for < WP 4.0
		if ( $assoc_args['parent'] > 0 && ! term_exists( (int) $assoc_args['parent'] ) ) {
			WP_CLI::error( 'Parent term does not exist.' );
		}

		$ret = wp_insert_term( $term, $taxonomy, $assoc_args );

		if ( is_wp_error( $ret ) ) {
			WP_CLI::error( $ret->get_error_message() );
		} else {
			if ( $porcelain )
				WP_CLI::line( $ret['term_id'] );
			else
				WP_CLI::success( sprintf( "Created %s %d.", $taxonomy, $ret['term_id'] ) );
		}
	}

	/**
	 * Get a taxonomy term
	 *
	 * ## OPTIONS
	 *
	 * <taxonomy>
	 * : Taxonomy of the term to get
	 *
	 * <term-id>
	 * : ID of the term to get
	 *
	 * [--field=<field>]
	 * : Instead of returning the whole term, returns the value of a single field.
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific fields. Defaults to all fields.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, json, csv. Default: table
	 *
	 * ## EXAMPLES
	 *
	 *     wp term get category 1 --format=json
	 */
	public function get( $args, $assoc_args ) {

		list( $taxonomy, $term_id ) = $args;
		$term = get_term_by( 'id', $term_id, $taxonomy );
		if ( ! $term ) {
			WP_CLI::error( "Term doesn't exist." );
		}

		if ( empty( $assoc_args['fields'] ) ) {
			$term_array = get_object_vars( $term );
			$assoc_args['fields'] = array_keys( $term_array );
		}

		$term->count = (int) $term->count;
		$term->parent = (int) $term->parent;

		$formatter = $this->get_formatter( $assoc_args );
		$formatter->display_item( $term );
	}

	/**
	 * Update a term.
	 *
	 * ## OPTIONS
	 *
	 * <taxonomy>
	 * : Taxonomy of the term to update.
	 *
	 * <term-id>
	 * : ID for the term to update.
	 *
	 * [--name=<name>]
	 * : A new name for the term.
	 *
	 * [--slug=<slug>]
	 * : A new slug for the term.
	 *
	 * [--description=<description>]
	 * : A new description for the term.
	 *
	 * [--parent=<term-id>]
	 * : A new parent for the term.
	 *
	 * ## EXAMPLES
	 *
	 *     wp term update category 15 --name=Apple
	 */
	public function update( $args, $assoc_args ) {

		list( $taxonomy, $term_id ) = $args;

		$defaults = array(
			'name'        => null,
			'slug'        => null,
			'description' => null,
			'parent'      => null,
		);
		$assoc_args = wp_parse_args( $assoc_args, $defaults );

		foreach( $assoc_args as $key => $value ) {
			if ( is_null( $value ) )
				unset( $assoc_args[$key] );
		}

		$ret = wp_update_term( $term_id, $taxonomy, $assoc_args );

		if ( is_wp_error( $ret ) )
			WP_CLI::error( $ret->get_error_message() );
		else
			WP_CLI::success( "Term updated." );
	}

	/**
	 * Delete a term.
	 *
	 * ## OPTIONS
	 *
	 * <taxonomy>
	 * : Taxonomy of the term to delete.
	 *
	 * <term-id>...
	 * : One or more IDs of terms to delete.
	 *
	 * ## EXAMPLES
	 *
	 *     # delete all post tags
	 *     wp term list post_tag --field=term_id | xargs wp term delete post_tag
	 */
	public function delete( $args ) {
		$taxonomy = array_shift( $args );

		foreach ( $args as $term_id ) {
			$ret = wp_delete_term( $term_id, $taxonomy );

			if ( is_wp_error( $ret ) ) {
				WP_CLI::warning( $ret );
			} else if ( $ret ) {
				WP_CLI::success( sprintf( "Deleted %s %d.", $taxonomy, $term_id ) );
			} else {
				WP_CLI::warning( sprintf( "%s %d doesn't exist.", $taxonomy, $term_id ) );
			}
		}
	}

	/**
	 * Generate some terms.
	 *
	 * ## OPTIONS
	 *
	 * <taxonomy>
	 * : The taxonomy for the generated terms.
	 *
	 * [--count=<number>]
	 * : How many terms to generate. Default: 100
	 *
	 * [--max_depth=<number>]
	 * : Generate child terms down to a certain depth. Default: 1
	 *
	 * ## EXAMPLES
	 *
	 *     wp term generate --count=10
	 */
	public function generate( $args, $assoc_args ) {
		global $wpdb;

		list ( $taxonomy ) = $args;

		$defaults = array(
			'count' => 100,
			'max_depth' => 1,
		);

		extract( array_merge( $defaults, $assoc_args ), EXTR_SKIP );

		if ( !taxonomy_exists( $taxonomy ) ) {
			WP_CLI::error( sprintf( "'%s' is not a registered taxonomy.", $taxonomy ) );
		}

		$label = get_taxonomy( $taxonomy )->labels->singular_name;
		$slug = sanitize_title_with_dashes( $label );

		$hierarchical = get_taxonomy( $taxonomy )->hierarchical;

		$notify = \WP_CLI\Utils\make_progress_bar( 'Generating terms', $count );

		$previous_term_id = 0;
		$current_parent = 0;
		$current_depth = 1;

		$max_id = (int) $wpdb->get_var( "SELECT term_taxonomy_id FROM $wpdb->term_taxonomy ORDER BY term_taxonomy_id DESC LIMIT 1" );

		$suspend_cache_invalidation = wp_suspend_cache_invalidation( true );
		$created = array();

		for ( $i = $max_id + 1; $i <= $max_id + $count; $i++ ) {

			if ( $hierarchical ) {

				if ( $previous_term_id && $this->maybe_make_child() && $current_depth < $max_depth ) {

					$current_parent = $previous_term_id;
					$current_depth++;

				} else if ( $this->maybe_reset_depth() ) {

					$current_parent = 0;
					$current_depth = 1;

				}

			}

			$args = array(
				'parent' => $current_parent,
				'slug' => $slug . "-$i",
			);

			$name = "$label $i";
			$term = wp_insert_term( $name, $taxonomy, $args );
			if ( is_wp_error( $term ) ) {
				WP_CLI::warning( $term );
			} else {
				$created[] = $term['term_id'];
				$previous_term_id = $term['term_id'];
			}

			$notify->tick();
		}

		wp_suspend_cache_invalidation( $suspend_cache_invalidation );
		clean_term_cache( $created, $taxonomy );

		$notify->finish();
	}

	/**
	 * Get term url
	 *
	 * ## OPTIONS
	 *
	 * <taxonomy>
	 * : Taxonomy of the term(s) to get.
	 *
	 * <term-id>...
	 * : One or more IDs of terms to get the URL.
	 *
	 * ## EXAMPLES
	 *
	 *     wp term url post_tag 123
	 *
	 *     wp term url post_tag 123 324
	 */
	public function url( $args ) {
		$term_link = get_term_link( (int)$args[1], $args[0] );
		if ( $term_link && ! is_wp_error( $term_link ) ) {
			WP_CLI::line( $term_link );
		} else {
			WP_CLI::error( "Invalid term." );
		}
	}

	private function maybe_make_child() {
		// 50% chance of making child term
		return ( mt_rand(1, 2) == 1 );
	}

	private function maybe_reset_depth() {
		// 10% chance of reseting to root depth
		return ( mt_rand(1, 10) == 7 );
	}

	private function get_formatter( &$assoc_args ) {
		return new \WP_CLI\Formatter( $assoc_args, $this->fields, 'term' );
	}
}

WP_CLI::add_command( 'term', 'Term_Command' );

<?php

/**
 * Manage themes.
 *
 * @package wp-cli
 */
class Theme_Command extends \WP_CLI\CommandWithUpgrade {

	protected $item_type = 'theme';
	protected $upgrade_refresh = 'wp_update_themes';
	protected $upgrade_transient = 'update_themes';

	protected $obj_fields = array(
		'name',
		'status',
		'update',
		'version'
	);

	function __construct() {
		if ( is_multisite() ) {
			$this->obj_fields[] = 'enabled';
		}
		parent::__construct();

		$this->fetcher = new \WP_CLI\Fetchers\Theme;
	}

	protected function get_upgrader_class( $force ) {
		return $force ? '\\WP_CLI\\DestructiveThemeUpgrader' : 'Theme_Upgrader';
	}

	/**
	 * See the status of one or all themes.
	 *
	 * ## OPTIONS
	 *
	 * [<theme>]
	 * : A particular theme to show the status for.
	 */
	function status( $args ) {
		parent::status( $args );
	}

	/**
	 * Search the wordpress.org theme repository.
	 *
	 * ## OPTIONS
	 *
	 * <search>
	 * : The string to search for.
	 *
	 * [--per-page=<per-page>]
	 * : Optional number of results to display. Defaults to 10.
	 *
	 * [--field=<field>]
	 * : Prints the value of a single field for each theme.
	 *
	 * [--fields=<fields>]
	 * : Ask for specific fields from the API. Defaults to name,slug,author,rating. Acceptable values:
	 *
	 *     **name**: Theme Name
	 *     **slug**: Theme Slug
	 *     **version**: Current Version Number
	 *     **author**: Theme Author
	 *     **preview_url**: Theme Preview URL
	 *     **screenshot_url**: Theme Screenshot URL
	 *     **rating**: Theme Rating
	 *     **num_ratings**: Number of Theme Ratings
	 *     **homepage**: Theme Author's Homepage
	 *     **description**: Theme Description
	 *
	 * [--format=<format>]
	 * : Accepted values: table, csv, json, count. Default: table
	 *
	 * ## EXAMPLES
	 *
	 *     wp theme search automattic --per-page=20
	 *
	 *     wp theme search automattic --fields=name,version,slug,rating,num_ratings,description
	 */
	public function search( $args, $assoc_args ) {
		parent::_search( $args, $assoc_args );
	}

	protected function status_single( $args ) {
		$theme = $this->fetcher->get_check( $args[0] );

		$status = $this->format_status( $this->get_status( $theme ), 'long' );

		$version = $theme->get('Version');
		if ( $this->has_update( $theme->get_stylesheet() ) )
			$version .= ' (%gUpdate available%n)';

		echo WP_CLI::colorize( \WP_CLI\Utils\mustache_render( 'theme-status.mustache', array(
			'slug' => $theme->get_stylesheet(),
			'status' => $status,
			'version' => $version,
			'name' => $theme->get('Name'),
			'author' => $theme->get('Author'),
		) ) );
	}

	protected function get_all_items() {
		return $this->get_item_list();
	}

	protected function get_status( $theme ) {
		if ( $this->is_active_theme( $theme ) ) {
			return 'active';
		} else if ( $theme->get_stylesheet_directory() === get_template_directory() ) {
			return 'parent';
		} else {
			return 'inactive';
		}
	}

	/**
	 * Activate a theme.
	 *
	 * ## OPTIONS
	 *
	 * <theme>
	 * : The theme to activate.
	 */
	public function activate( $args = array() ) {
		$theme = $this->fetcher->get_check( $args[0] );

		$name = $theme->get('Name');

		if ( 'active' === $this->get_status( $theme ) ) {
			WP_CLI::success( "The '$name' theme is already active." );
			exit;
		}

		if ( $theme->get_stylesheet() != $theme->get_template() && ! $this->fetcher->get( $theme->get_template() ) ) {
			WP_CLI::error( "The '{$theme->get_stylesheet()}' theme cannot be activated without its parent, '{$theme->get_template()}'." );
		}

		switch_theme( $theme->get_template(), $theme->get_stylesheet() );

		if ( $this->is_active_theme( $theme ) ) {
			WP_CLI::success( "Switched to '$name' theme." );
		} else {
			WP_CLI::error( "Could not switch to '$name' theme." );
		}
	}

	/**
	 * Enable a theme in a multisite install.
	 *
	 * ## OPTIONS
	 *
	 * <theme>
	 * : The theme to enable.
	 *
	 * [--network]
	 * : If set, the theme is enabled for the entire network
	 *
	 * [--activate]
	 * : If set, the theme is activated for the current site. Note that
	 * the "network" flag has no influence on this.
	 *
	 * ## EXAMPLES
	 *
	 *     wp theme enable twentythirteen
	 *
	 *     wp theme enable twentythirteen --network
	 *
	 *     wp theme enable twentythirteen --activate
	 */
	public function enable( $args, $assoc_args ) {
		if ( ! is_multisite() ) {
			WP_CLI::error( 'This is not a multisite install.' );
		}

		$theme = $this->fetcher->get_check( $args[0] );
		$name = $theme->get( 'Name' );

		# If the --network flag is set, we'll be calling the (get|update)_site_option functions
		$_site = ! empty( $assoc_args['network'] ) ? '_site' : '';

		# Add the current theme to the allowed themes option or site option
		$allowed_themes = call_user_func( "get{$_site}_option", 'allowedthemes' );
		if ( empty( $allowed_themes ) )
			$allowed_themes = array();
		$allowed_themes[ $theme->get_stylesheet() ] = true;
		call_user_func( "update{$_site}_option", 'allowedthemes', $allowed_themes );

		if ( ! empty( $assoc_args['network'] ) )
			WP_CLI::success( "Network enabled the '$name' theme." );
		else
			WP_CLI::success( "Enabled the '$name' theme." );

		# If the --activate flag is set, activate the theme for the current site
		if ( ! empty( $assoc_args['activate'] ) ) {
			$this->activate( $args );
		}
	}

	/**
	 * Disable a theme in a multisite install.
	 *
	 * ## OPTIONS
	 *
	 * <theme>
	 * : The theme to disable.
	 *
	 * [--network]
	 * : If set, the theme is disabled on the network level. Note that
	 * individual sites may still have this theme enabled if it was
	 * enabled for them independently.
	 *
	 * ## EXAMPLES
	 *
	 *     wp theme disable twentythirteen
	 *
	 *     wp theme disable twentythirteen --network
	 */
	public function disable( $args, $assoc_args ) {
		if ( ! is_multisite() ) {
			WP_CLI::error( 'This is not a multisite install.' );
		}

		$theme = $this->fetcher->get_check( $args[0] );
		$name = $theme->get( 'Name' );

		# If the --network flag is set, we'll be calling the (get|update)_site_option functions
		$_site = ! empty( $assoc_args['network'] ) ? '_site' : '';

		# Add the current theme to the allowed themes option or site option
		$allowed_themes = call_user_func( "get{$_site}_option", 'allowedthemes' );
		if ( ! empty( $allowed_themes[ $theme->get_stylesheet() ] ) )
			unset( $allowed_themes[ $theme->get_stylesheet() ] );
		call_user_func( "update{$_site}_option", 'allowedthemes', $allowed_themes );

		if ( ! empty( $assoc_args['network'] ) )
			WP_CLI::success( "Network disabled the '$name' theme." );
		else
			WP_CLI::success( "Disabled the '$name' theme." );
	}

	private function is_active_theme( $theme ) {
		return $theme->get_stylesheet_directory() == get_stylesheet_directory();
	}

	/**
	 * Get the path to a theme or to the theme directory.
	 *
	 * ## OPTIONS
	 *
	 * [<theme>]
	 * : The theme to get the path to. Path includes "style.css" file.
	 * If not set, will return the path to the themes directory.
	 *
	 * [--dir]
	 * : If set, get the path to the closest parent directory, instead of the
	 * theme's "style.css" file.
	 *
	 * ## EXAMPLES
	 *
	 *     cd $(wp theme path)
	 */
	public function path( $args, $assoc_args ) {
		if ( empty( $args ) ) {
			$path = WP_CONTENT_DIR . '/themes';
		} else {
			$theme = $this->fetcher->get_check( $args[0] );

			$path = $theme->get_stylesheet_directory();

			if ( ! \WP_CLI\Utils\get_flag_value( $assoc_args, 'dir' ) )
				$path .= '/style.css';
		}

		WP_CLI::line( $path );
	}

	protected function install_from_repo( $slug, $assoc_args ) {
		$api = themes_api( 'theme_information', array( 'slug' => $slug ) );

		if ( is_wp_error( $api ) ) {
			return $api;
		}

		if ( isset( $assoc_args['version'] ) ) {
			self::alter_api_response( $api, $assoc_args['version'] );
		}

		if ( ! \WP_CLI\Utils\get_flag_value( $assoc_args, 'force' ) && wp_get_theme( $slug )->exists() ) {
			// We know this will fail, so avoid a needless download of the package.
			return new WP_Error( 'already_installed', 'Theme already installed.' );
		}

		WP_CLI::log( sprintf( 'Installing %s (%s)', html_entity_decode( $api->name, ENT_QUOTES ), $api->version ) );
		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'version' ) != 'dev' ) {
			WP_CLI::get_http_cache_manager()->whitelist_package( $api->download_link, $this->item_type, $api->slug, $api->version );
		}
		$result = $this->get_upgrader( $assoc_args )->install( $api->download_link );

		return $result;
	}

	protected function get_item_list() {
		$items = array();

		if ( is_multisite() ) {
			$site_enabled = get_option( 'allowedthemes' );
			if ( empty( $site_enabled ) )
				$site_enabled = array();

			$network_enabled = get_site_option( 'allowedthemes' );
			if ( empty( $network_enabled ) )
				$network_enabled = array();
		}

		foreach ( wp_get_themes() as $key => $theme ) {
			$file = $theme->get_stylesheet_directory();
			$update_info = $this->get_update_info( $theme->get_stylesheet() );

			$items[ $file ] = array(
				'name' => $key,
				'status' => $this->get_status( $theme ),
				'update' => (bool) $update_info,
				'update_version' => $update_info['new_version'],
				'update_package' => $update_info['package'],
				'version' => $theme->get('Version'),
				'update_id' => $theme->get_stylesheet(),
				'title' => $theme->get('Name'),
				'description' => $theme->get('Description'),
			);

			if ( is_multisite() ) {
				if ( ! empty( $site_enabled[ $key ] ) && ! empty( $network_enabled[ $key ] ) )
					$items[ $file ]['enabled'] = 'network,site';
				elseif ( ! empty( $network_enabled[ $key ] ) )
					$items[ $file ]['enabled'] = 'network';
				elseif ( ! empty( $site_enabled[ $key ] ) )
					$items[ $file ]['enabled'] = 'site';
				else
					$items[ $file ]['enabled'] = 'no';
			}
		}

		return $items;
	}

	protected function filter_item_list( $items, $args ) {
		$theme_files = array();
		foreach ( $args as $arg ) {
			$theme_files[] = $this->fetcher->get_check( $arg )->get_stylesheet_directory();
		}

		return \WP_CLI\Utils\pick_fields( $items, $theme_files );
	}

	/**
	 * Install a theme.
	 *
	 * ## OPTIONS
	 *
	 * <theme|zip|url>...
	 * : A theme slug, the path to a local zip file, or URL to a remote zip file.
	 *
	 * [--version=<version>]
	 * : If set, get that particular version from wordpress.org, instead of the
	 * stable version.
	 *
	 * [--force]
	 * : If set, the command will overwrite any installed version of the theme, without prompting
	 * for confirmation.
	 *
	 * [--activate]
	 * : If set, the theme will be activated immediately after install.
	 *
	 * ## EXAMPLES
	 *
	 *     # Install the latest version from wordpress.org and activate
	 *     wp theme install twentytwelve --activate
	 *
	 *     # Install from a local zip file
	 *     wp theme install ../my-theme.zip
	 *
	 *     # Install from a remote zip file
	 *     wp theme install http://s3.amazonaws.com/bucketname/my-theme.zip?AWSAccessKeyId=123&Expires=456&Signature=abcdef
	 */
	function install( $args, $assoc_args ) {

		$theme_root = get_theme_root();
		if ( $theme_root && ! is_dir( $theme_root ) ) {
			wp_mkdir_p( $theme_root );
			register_theme_directory( $theme_root );
		}

		parent::install( $args, $assoc_args );
	}

	/**
	 * Get a theme
	 *
	 * ## OPTIONS
	 *
	 * <theme>
	 * : The theme to get.
	 *
	 * [--field=<field>]
	 * : Instead of returning the whole theme, returns the value of a single field.
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific fields. Defaults to all fields.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, json, csv. Default: table
	 *
	 * ## EXAMPLES
	 *
	 *     wp theme get twentytwelve --format=json
	 */
	public function get( $args, $assoc_args ) {
		$theme = $this->fetcher->get_check( $args[0] );

		// WP_Theme object employs magic getter, unfortunately
		$theme_vars = array( 'name', 'title', 'version', 'parent_theme', 'template_dir', 'stylesheet_dir', 'template', 'stylesheet', 'screenshot', 'description', 'author', 'tags', 'theme_root', 'theme_root_uri',
		);
		$theme_obj = new stdClass;
		foreach ( $theme_vars as $var ) {
			$theme_obj->$var = $theme->$var;
		}

		$theme_obj->description = wordwrap( $theme_obj->description );

		if ( empty( $assoc_args['fields'] ) ) {
			$assoc_args['fields'] = $theme_vars;
		}

		$formatter = $this->get_formatter( $assoc_args );
		$formatter->display_item( $theme_obj );
	}

	/**
	 * Update one or more themes.
	 *
	 * ## OPTIONS
	 *
	 * [<theme>...]
	 * : One or more themes to update.
	 *
	 * [--all]
	 * : If set, all themes that have updates will be updated.
	 *
	 * [--format=<format>]
	 * : Output summary as table or summary. Defaults to table.
	 *
	 * [--version=<version>]
	 * : If set, the theme will be updated to the specified version.
	 *
	 * [--dry-run]
	 * : Preview which themes would be updated.
	 *
	 * ## EXAMPLES
	 *
	 *     wp theme update twentyeleven twentytwelve
	 *
	 *     wp theme update --all
	 *
	 * @alias upgrade
	 */
	function update( $args, $assoc_args ) {
		if ( isset( $assoc_args['version'] ) ) {
			foreach ( $this->fetcher->get_many( $args ) as $theme ) {
				$r = delete_theme( $theme->stylesheet );
				if ( is_wp_error( $r ) ) {
					WP_CLI::warning( $r );
				} else {
					$assoc_args['force'] = true;
					$this->install( array( $theme->stylesheet ), $assoc_args );
				}
			}
		} else {
			parent::update_many( $args, $assoc_args );
		}
	}

	/**
	 * Check if the theme is installed.
	 *
	 * ## OPTIONS
	 *
	 * <theme>
	 * : The theme to check.
	 *
	 * ## EXAMPLES
	 *
	 *     wp theme is-installed twentytwelve
	 *
	 * @subcommand is-installed
	 */
	function is_installed( $args, $assoc_args = array() ) {
		$theme = wp_get_theme( $args[0] );

		if ( $theme->exists() ) {
			exit( 0 );
		} else {
			exit( 1 );
		}
	}

	/**
	 * Delete a theme.
	 *
	 * ## OPTIONS
	 *
	 * <theme>...
	 * : One or more themes to delete.
	 *
	 * ## EXAMPLES
	 *
	 *     wp theme delete twentyeleven
	 *
	 * @alias uninstall
	 */
	function delete( $args ) {
		foreach ( $this->fetcher->get_many( $args ) as $theme ) {
			$theme_slug = $theme->get_stylesheet();

			if ( $this->is_active_theme( $theme ) ) {
				WP_CLI::warning( "Can't delete the currently active theme: $theme_slug" );
				continue;
			}

			$r = delete_theme( $theme_slug );

			if ( is_wp_error( $r ) ) {
				WP_CLI::warning( $r );
			} else {
				WP_CLI::success( "Deleted '$theme_slug' theme." );
			}
		}
	}

	/**
	 * Get a list of themes.
	 *
	 * ## OPTIONS
	 *
	 * [--<field>=<value>]
	 * : Filter results based on the value of a field.
	 *
	 * [--field=<field>]
	 * : Prints the value of a single field for each theme.
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific object fields.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, json. Default: table
	 *
	 * ## AVAILABLE FIELDS
	 *
	 * These fields will be displayed by default for each theme:
	 *
	 * * name
	 * * status
	 * * update
	 * * version
	 *
	 * These fields are optionally available:
	 *
	 * * update_version
	 * * update_package
	 * * update_id
	 * * title
	 * * description
	 *
	 * ## EXAMPLES
	 *
	 *     wp theme list --status=inactive --format=csv
	 *
	 * @subcommand list
	 */
	public function list_( $_, $assoc_args ) {
		parent::_list( $_, $assoc_args );
	}
}

/**
 * Manage theme mods.
 *
 */
class Theme_Mod_command extends WP_CLI_Command {

	/**
	 * Get theme mod(s).
	 *
	 * ## OPTIONS
	 *
	 * [<mod>...]
	 * : One or more mods to get.
	 *
	 * [--all]
	 * : List all theme mods
	 *
	 * [--format=<format>]
	 * : Accepted values: table, json. Default: table
	 *
	 * ## EXAMPLES
	 *
	 *     wp theme mod get --all
	 *     wp theme mod get background_color --format=json
	 *     wp theme mod get background_color header_textcolor
	 */
	public function get( $args = array(), $assoc_args = array() ) {

		if ( ! \WP_CLI\Utils\get_flag_value( $assoc_args, 'all' ) && empty( $args ) ) {
			WP_CLI::error( "You must specify at least one mod or use --all." );
		}

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'all' ) ) {
			$args = array();
		}

		$list = array();
		$mods = get_theme_mods();
		if ( ! is_array( $mods ) ) {
			// if no mods are set (perhaps new theme), make sure foreach still works
			$mods = array();
		}
		foreach ( $mods as $k => $v ) {
			// if mods were given, skip the others
			if ( ! empty( $args ) && ! in_array( $k, $args ) ) continue;

			if ( is_array( $v ) ) {
				$list[] = array( 'key' => $k, 'value' => '=>' );
				foreach ( $v as $_k => $_v ) {
					$list[] = array( 'key' => "    $_k", 'value' => $_v );
				}
			} else {
				$list[] = array( 'key' => $k, 'value' => $v );
			}

		}

		// For unset mods, show blank value
		foreach ( $args as $mod ) {
			if ( ! isset( $mods[ $mod ] ) ) {
				$list[] = array( 'key' => $mod, 'value' => '' );
			}
		}

		$formatter = new \WP_CLI\Formatter( $assoc_args, array('key', 'value'), 'thememods' );
		$formatter->display_items( $list );

	}

	/**
	 * Remove theme mod(s).
	 *
	 * ## OPTIONS
	 *
	 * [<mod>...]
	 * : One or more mods to remove.
	 *
	 * [--all]
	 * : Remove all theme mods
	 *
	 * ## EXAMPLES
	 *
	 *     wp theme mod remove --all
	 *     wp theme mod remove background_color
	 *     wp theme mod remove background_color header_textcolor
	 */
	public function remove( $args = array(), $assoc_args = array() ) {

		if ( ! \WP_CLI\Utils\get_flag_value( $assoc_args, 'all' ) && empty( $args ) ) {
			WP_CLI::error( "You must specify at least one mod or use --all." );
		}

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'all' ) ) {
			remove_theme_mods();
			WP_CLI::success( 'Theme mods removed.' );
			return;
		}

		foreach ( $args as $mod ) {
			remove_theme_mod( $mod );
		}

		WP_CLI::success( sprintf( '%d mods removed.', count( $args ) ) );

	}

	/**
	 * Set a theme mod.
	 *
	 * ## OPTIONS
	 *
	 * <mod>
	 * : The name of the theme mod to set or update.
	 *
	 * <value>
	 * : The new value.
	 *
	 * ## EXAMPLES
	 *
	 *     wp theme mod set background_color 000000
	 */
	public function set( $args = array(), $assoc_args = array() ) {
		list( $mod, $value ) = $args;

		set_theme_mod( $mod, $value );

		if ( $value == get_theme_mod( $mod ) ) {
			WP_CLI::success( sprintf( "Theme mod %s set to %s", $mod, $value ) );
		} else {
			WP_CLI::success( sprintf( "Could not update theme mod %s", $mod ) );
		}
	}

}

WP_CLI::add_command( 'theme', 'Theme_Command' );
WP_CLI::add_command( 'theme mod', 'Theme_Mod_Command' );

<?php

/**
 * Manage transients.
 *
 * ## EXAMPLES
 *
 *     wp transient set my_key my_value 300
 */
class Transient_Command extends WP_CLI_Command {

	/**
	 * Get a transient value.
	 *
	 * <key>
	 * : Key for the transient.
	 *
	 * [--json]
	 * : Format output as JSON.
	 *
	 * [--network]
	 * : Get the value of the network transient, instead of the single site.
	 */
	public function get( $args, $assoc_args ) {
		list( $key ) = $args;

		$func = \WP_CLI\Utils\get_flag_value( $assoc_args, 'network' ) ? 'get_site_transient' : 'get_transient';
		$value = $func( $key );

		if ( false === $value ) {
			WP_CLI::warning( 'Transient with key "' . $key . '" is not set.' );
			exit;
		}

		WP_CLI::print_value( $value, $assoc_args );
	}

	/**
	 * Set a transient value. <expiration> is the time until expiration, in seconds.
	 *
	 * <key>
	 * : Key for the transient.
	 *
	 * <value>
	 * : Value to be set for the transient.
	 *
	 * [<expiration>]
	 * : Time until expiration, in seconds.
	 *
	 * [--network]
	 * : Set the transient value on the network, instead of single site.
	 */
	public function set( $args, $assoc_args ) {
		list( $key, $value ) = $args;

		$expiration = \WP_CLI\Utils\get_flag_value( $args, 2, 0 );

		$func = \WP_CLI\Utils\get_flag_value( $assoc_args, 'network' ) ? 'set_site_transient' : 'set_transient';
		if ( $func( $key, $value, $expiration ) ) {
			WP_CLI::success( 'Transient added.' );
		} else {
			WP_CLI::error( 'Transient could not be set.' );
		}
	}

	/**
	 * Delete a transient value.
	 *
	 * <key>
	 * : Key for the transient.
	 *
	 * [--network]
	 * : Delete the value of a network transient, instead of that on a single site.
	 */
	public function delete( $args, $assoc_args ) {
		list( $key ) = $args;

		$func = \WP_CLI\Utils\get_flag_value( $assoc_args, 'network' ) ? 'delete_site_transient' : 'delete_transient';
		if ( $func( $key ) ) {
			WP_CLI::success( 'Transient deleted.' );
		} else {
			$func = \WP_CLI\Utils\get_flag_value( $assoc_args, 'network' ) ? 'get_site_transient' : 'get_transient';
			if ( $func( $key ) )
				WP_CLI::error( 'Transient was not deleted even though the transient appears to exist.' );
			else
				WP_CLI::warning( 'Transient was not deleted; however, the transient does not appear to exist.' );
		}
	}

	/**
	 * See whether the transients API is using an object cache or the options table.
	 */
	public function type() {
		global $_wp_using_ext_object_cache, $wpdb;

		if ( $_wp_using_ext_object_cache )
			$message = 'Transients are saved to the object cache.';
		else
			$message = 'Transients are saved to the ' . $wpdb->prefix . 'options table.';

		WP_CLI::line( $message );
	}

	/**
	 * Delete all expired transients.
	 *
	 * @subcommand delete-expired
	 */
	public function delete_expired() {
		global $wpdb, $_wp_using_ext_object_cache;

		// Always delete all transients from DB too.
		$time = current_time('timestamp');
		$count = $wpdb->query(
			"DELETE a, b FROM $wpdb->options a, $wpdb->options b WHERE
			a.option_name LIKE '\_transient\_%' AND
			a.option_name NOT LIKE '\_transient\_timeout\_%' AND
			b.option_name = CONCAT( '_transient_timeout_', SUBSTRING( a.option_name, 12 ) )
			AND b.option_value < $time"
		);

		if ( $count > 0 ) {
			WP_CLI::success( "$count expired transients deleted from the database." );
		} else {
			WP_CLI::success( "No expired transients found" );
		}

		if ( $_wp_using_ext_object_cache ) {
			WP_CLI::warning( 'Transients are stored in an external object cache, and this command only deletes those stored in the database. You must flush the cache to delete all transients.');
		}
	}

	/**
	 * Delete all transients.
	 *
	 * @subcommand delete-all
	 */
	public function delete_all() {
		global $wpdb, $_wp_using_ext_object_cache;

		// Always delete all transients from DB too.
		$count = $wpdb->query(
			"DELETE FROM $wpdb->options
			WHERE option_name LIKE '\_transient\_%'
			OR option_name LIKE '\_site\_transient\_%'"
		);

		if ( $count > 0 ) {
			WP_CLI::success( "$count transients deleted from the database." );
		} else {
			WP_CLI::success( "No transients found" );
		}

		if ( $_wp_using_ext_object_cache ) {
			WP_CLI::warning( 'Transients are stored in an external object cache, and this command only deletes those stored in the database. You must flush the cache to delete all transients.');
		}
	}

}

WP_CLI::add_command( 'transient', 'Transient_Command' );

<?php

/**
 * Manage users.
 *
 * @package wp-cli
 */
class User_Command extends \WP_CLI\CommandWithDBObject {

	protected $obj_type = 'user';
	protected $obj_fields = array(
		'ID',
		'user_login',
		'display_name',
		'user_email',
		'user_registered',
		'roles'
	);

	public function __construct() {
		$this->fetcher = new \WP_CLI\Fetchers\User;
	}

	/**
	 * List users.
	 *
	 * ## OPTIONS
	 *
	 * [--role=<role>]
	 * : Only display users with a certain role.
	 *
	 * [--<field>=<value>]
	 * : Control output by one or more arguments of get_users().
	 *
	 * [--network]
	 * : List all users in the network for multisite.
	 *
	 * [--field=<field>]
	 * : Prints the value of a single field for each user.
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific object fields.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, csv, json, count. Default: table
	 *
	 * ## AVAILABLE FIELDS
	 *
	 * These fields will be displayed by default for each user:
	 *
	 * * ID
	 * * user_login
	 * * display_name
	 * * user_email
	 * * user_registered
	 * * roles
	 *
	 * These fields are optionally available:
	 *
	 * * user_pass
	 * * user_nicename
	 * * user_url
	 * * user_activation_key
	 * * user_status
	 * * spam
	 * * deleted
	 * * caps
	 * * cap_key
	 * * allcaps
	 * * filter
	 *
	 * ## EXAMPLES
	 *
	 *     wp user list --field=ID
	 *
	 *     wp user list --role=administrator --format=csv
	 *
	 *     wp user list --fields=display_name,user_email --format=json
	 *
	 * @subcommand list
	 */
	public function list_( $args, $assoc_args ) {

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'network' ) ) {
			if ( ! is_multisite() ) {
				WP_CLI::error( 'This is not a multisite install.' );
			}
			$assoc_args['blog_id'] = 0;
			if ( isset( $assoc_args['fields'] ) ) {
				$fields = explode( ',', $assoc_args['fields'] );
				$assoc_args['fields'] = array_diff( $fields, array( 'roles' ) );
			} else {
				$assoc_args['fields'] = array_diff( $this->obj_fields, array( 'roles' ) );
			}
		}

		$formatter = $this->get_formatter( $assoc_args );

		if ( 'ids' == $formatter->format ) {
			$assoc_args['fields'] = 'ids';
		} else {
			$assoc_args['fields'] = 'all_with_meta';
		}

		$users = get_users( $assoc_args );

		if ( 'ids' == $formatter->format ) {
			echo implode( ' ', $users );
		} else {
			$it = WP_CLI\Utils\iterator_map( $users, function ( $user ) {
				if ( !is_object( $user ) )
					return $user;

				$user->roles = implode( ',', $user->roles );

				return $user;
			} );

			$formatter->display_items( $it );
		}
	}

	/**
	 * Get a single user.
	 *
	 * ## OPTIONS
	 *
	 * <user>
	 * : User ID, user email, or user login.
	 *
	 * [--field=<field>]
	 * : Instead of returning the whole user, returns the value of a single field.
	 *
	 * [--fields=<fields>]
	 * : Get a specific subset of the user's fields.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, json, csv. Default: table
	 *
	 * ## EXAMPLES
	 *
	 *     wp user get 12 --field=login
	 *
	 *     wp user get bob --format=json > bob.json
	 */
	public function get( $args, $assoc_args ) {
		$user = $this->fetcher->get_check( $args[0] );
		$user_data = $user->to_array();
		$user_data['roles'] = implode( ', ', $user->roles );

		$formatter = $this->get_formatter( $assoc_args );
		$formatter->display_item( $user_data );
	}

	/**
	 * Delete one or more users from the current site.
	 *
	 * ## OPTIONS
	 *
	 * <user>...
	 * : The user login, user email, or user ID of the user(s) to delete.
	 *
	 * [--network]
	 * : On multisite, delete the user from the entire network.
	 *
	 * [--reassign=<user-id>]
	 * : User ID to reassign the posts to.
	 *
	 * [--yes]
	 * : Answer yes to any confirmation prompts.
	 *
	 * ## EXAMPLES
	 *
	 *     # Delete user 123 and reassign posts to user 567
	 *     wp user delete 123 --reassign=567
	 */
	public function delete( $args, $assoc_args ) {
		$network = \WP_CLI\Utils\get_flag_value( $assoc_args, 'network' ) && is_multisite();
		$reassign = \WP_CLI\Utils\get_flag_value( $assoc_args, 'reassign' );

		if ( $network && $reassign ) {
			WP_CLI::error('Reassigning content to a different user is not supported on multisite.');
		}

		if ( !$reassign ) {
			WP_CLI::confirm( '--reassign parameter not passed. All associated posts will be deleted. Proceed?', $assoc_args );
		}

		$users = $this->fetcher->get_many( $args );

		parent::_delete( $users, $assoc_args, function ( $user ) use ( $network, $reassign ) {
			$user_id = $user->ID;

			if ( $network ) {
				$r = wpmu_delete_user( $user_id );
				$message = "Deleted user $user_id.";
			} else {
				$r = wp_delete_user( $user_id, $reassign );
				$message = "Removed user $user_id from " . home_url();
			}

			if ( $r ) {
				return array( 'success', $message );
			} else {
				return array( 'error', "Failed deleting user $user_id." );
			}
		} );
	}

	/**
	 * Create a user.
	 *
	 * ## OPTIONS
	 *
	 * <user-login>
	 * : The login of the user to create.
	 *
	 * <user-email>
	 * : The email address of the user to create.
	 *
	 * [--role=<role>]
	 * : The role of the user to create. Default: default role
	 *
	 * [--user_pass=<password>]
	 * : The user password. Default: randomly generated
	 *
	 * [--user_registered=<yyyy-mm-dd>]
	 * : The date the user registered. Default: current date
	 *
	 * [--display_name=<name>]
	 * : The display name.
	 *
	 * [--first_name=<first_name>]
	 * : The user's first name.
	 *
	 * [--last_name=<last_name>]
	 * : The user's last name.
	 *
	 * [--send-email]
	 * : Send an email to the user with their new account details.
	 *
	 * [--porcelain]
	 * : Output just the new user id.
	 *
	 * ## EXAMPLES
	 *
	 *     wp user create bob bob@example.com --role=author
	 */
	public function create( $args, $assoc_args ) {
		$user = new stdClass;

		list( $user->user_login, $user->user_email ) = $args;

		if ( username_exists( $user->user_login ) ) {
			WP_CLI::error( "The '{$user->user_login}' username is already registered." );
		}

		if ( !is_email( $user->user_email ) ) {
			WP_CLI::error( "The '{$user->user_email}' email address is invalid." );
		}

		$user->user_registered = \WP_CLI\Utils\get_flag_value(
			$assoc_args,
			'user_registered',
			strftime( "%F %T", current_time('timestamp') )
		);

		$user->display_name = \WP_CLI\Utils\get_flag_value( $assoc_args, 'display_name', false );

		$user->first_name = \WP_CLI\Utils\get_flag_value( $assoc_args, 'first_name', false );

		$user->last_name = \WP_CLI\Utils\get_flag_value( $assoc_args, 'last_name', false );

		if ( isset( $assoc_args['user_pass'] ) ) {
			$user->user_pass = $assoc_args['user_pass'];
		} else {
			$user->user_pass = wp_generate_password();
			$generated_pass = true;
		}

		$user->role = \WP_CLI\Utils\get_flag_value( $assoc_args, 'role', get_option('default_role') );
		self::validate_role( $user->role );

		if ( is_multisite() ) {
			$ret = wpmu_validate_user_signup( $user->user_login, $user->user_email );
			if ( is_wp_error( $ret['errors'] ) && ! empty( $ret['errors']->errors ) ) {
				WP_CLI::error( $ret['errors'] );
			}
			$user_id = wpmu_create_user( $user->user_login, $user->user_email, $user->user_login, $user->user_pass );
			if ( ! $user_id ) {
				WP_CLI::error( "Unknown error creating new user" );
			}
			$user->ID = $user_id;
			$user_id = wp_update_user( $user );
			if ( is_wp_error( $user_id ) ) {
				WP_CLI::error( $user_id );
			}
		} else {
			$user_id = wp_insert_user( $user );
		}

		if ( ! $user_id || is_wp_error( $user_id ) ) {
			if ( ! $user_id ) {
				$user_id = 'Unknown error creating new user.';
			}
			WP_CLI::error( $user_id );
		} else {
			if ( false === $user->role ) {
				delete_user_option( $user_id, 'capabilities' );
				delete_user_option( $user_id, 'user_level' );
			}
		}

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'send-email' ) ) {
			self::wp_new_user_notification( $user_id, $user->user_pass );
		}

		if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'porcelain' ) ) {
			WP_CLI::line( $user_id );
		} else {
			WP_CLI::success( "Created user $user_id." );
			if ( isset( $generated_pass ) )
				WP_CLI::line( "Password: $user->user_pass" );
		}
	}

	/**
	 * Update a user.
	 *
	 * ## OPTIONS
	 *
	 * <user>...
	 * : The user login, user email or user ID of the user(s) to update.
	 *
	 * --<field>=<value>
	 * : One or more fields to update. For accepted fields, see wp_update_user().
	 *
	 * ## EXAMPLES
	 *
	 *     wp user update 123 --display_name=Mary --user_pass=marypass
	 */
	public function update( $args, $assoc_args ) {
		if ( isset( $assoc_args['user_login'] ) ) {
			WP_CLI::warning( "User logins can't be changed." );
			unset( $assoc_args['user_login'] );
		}

		$user_ids = array();
		foreach ( $this->fetcher->get_many( $args ) as $user ) {
			$user_ids[] = $user->ID;
		}

		parent::_update( $user_ids, $assoc_args, 'wp_update_user' );
	}

	/**
	 * Generate users.
	 *
	 * ## OPTIONS
	 *
	 * [--count=<number>]
	 * : How many users to generate. Default: 100
	 *
	 * [--role=<role>]
	 * : The role of the generated users. Default: default role from WP
	 */
	public function generate( $args, $assoc_args ) {
		global $blog_id;

		$defaults = array(
			'count' => 100,
			'role' => get_option('default_role'),
		);
		$assoc_args = array_merge( $defaults, $assoc_args );

		$role = $assoc_args['role'];

		if ( ! empty( $role ) ) {
			self::validate_role( $role );
		}

		$user_count = count_users();
		$total = $user_count['total_users'];
		$limit = $assoc_args['count'] + $total;

		$notify = \WP_CLI\Utils\make_progress_bar( 'Generating users', $assoc_args['count'] );

		for ( $i = $total; $i < $limit; $i++ ) {
			$login = sprintf( 'user_%d_%d', $blog_id, $i );
			$name = "User $i";

			$user_id = wp_insert_user( array(
				'user_login' => $login,
				'user_pass' => $login,
				'nickname' => $name,
				'display_name' => $name,
				'role' => $role
			) );

			if ( false === $role ) {
				delete_user_option( $user_id, 'capabilities' );
				delete_user_option( $user_id, 'user_level' );
			}

			$notify->tick();
		}

		$notify->finish();
	}

	/**
	 * Set the user role (for a particular blog).
	 *
	 * ## OPTIONS
	 *
	 * <user>
	 * : User ID, user email, or user login.
	 *
	 * [<role>]
	 * : Make the user have the specified role. If not passed, the default role is
	 * used.
	 *
	 * ## EXAMPLES
	 *
	 *     wp user set-role bob author
	 *     wp user set-role 12 author
	 *
	 * @subcommand set-role
	 */
	public function set_role( $args, $assoc_args ) {
		$user = $this->fetcher->get_check( $args[0] );

		$role = \WP_CLI\Utils\get_flag_value( $args, 1, get_option('default_role') );

		self::validate_role( $role );

		// Multisite
		if ( function_exists( 'add_user_to_blog' ) )
			add_user_to_blog( get_current_blog_id(), $user->ID, $role );
		else
			$user->set_role( $role );

		WP_CLI::success( "Added {$user->user_login} ({$user->ID}) to " . site_url() . " as {$role}" );
	}

	/**
	 * Add a role for a user.
	 *
	 * ## OPTIONS
	 *
	 * <user>
	 * : User ID, user email, or user login.
	 *
	 * <role>
	 * : Add the specified role to the user.
	 *
	 * ## EXAMPLES
	 *
	 *     wp user add-role bob author
	 *     wp user add-role 12 author
	 *
	 * @subcommand add-role
	 */
	public function add_role( $args, $assoc_args ) {
		$user = $this->fetcher->get_check( $args[0] );

		$role = $args[1];

		self::validate_role( $role );

		$user->add_role( $role );

		WP_CLI::success( sprintf( "Added '%s' role for %s (%d).", $role, $user->user_login, $user->ID ) );
	}

	/**
	 * Remove a user's role.
	 *
	 * ## OPTIONS
	 *
	 * <user>
	 * : User ID, user email, or user login.
	 *
	 * [<role>]
	 * : A specific role to remove.
	 *
	 * ## EXAMPLES
	 *
	 *     wp user remove-role bob
	 *     wp user remove-role 12 editor
	 *
	 * @subcommand remove-role
	 */
	public function remove_role( $args, $assoc_args ) {
		$user = $this->fetcher->get_check( $args[0] );

		if ( isset( $args[1] ) ) {
			$role = $args[1];

			self::validate_role( $role );

			$user->remove_role( $role );

			WP_CLI::success( sprintf( "Removed '%s' role for %s (%d).", $role, $user->user_login, $user->ID ) );
		} else {
			// Multisite
			if ( function_exists( 'remove_user_from_blog' ) )
				remove_user_from_blog( $user->ID, get_current_blog_id() );
			else
				$user->remove_all_caps();

			WP_CLI::success( "Removed {$user->user_login} ({$user->ID}) from " . site_url() );
		}
	}

	/**
	 * Add a capability for a user.
	 *
	 * ## OPTIONS
	 *
	 * <user>
	 * : User ID, user email, or user login.
	 *
	 * <cap>
	 * : The capability to add.
	 *
	 * ## EXAMPLES
	 *
	 *     wp user add-cap john create_premium_item
	 *     wp user add-cap 15 edit_product
	 *
	 * @subcommand add-cap
	 */
	public function add_cap( $args, $assoc_args ) {
		$user = $this->fetcher->get_check( $args[0] );
		if ( $user ) {
			$cap  = $args[1];
			$user->add_cap( $cap );

			WP_CLI::success( sprintf( "Added '%s' capability for %s (%d).", $cap, $user->user_login, $user->ID ) );
		}
	}

	/**
	 * Remove a user's capability.
	 *
	 * ## OPTIONS
	 *
	 * <user>
	 * : User ID, user email, or user login.
	 *
	 * <cap>
	 * : The capability to be removed.
	 *
	 * ## EXAMPLES
	 *
	 *     wp user remove-cap bob edit_themes
	 *     wp user remove-cap 11 publish_newsletters
	 *
	 * @subcommand remove-cap
	 */
	public function remove_cap( $args, $assoc_args ) {
		$user = $this->fetcher->get_check( $args[0] );
		if ( $user ) {
			$cap = $args[1];
			$user->remove_cap( $cap );

			WP_CLI::success( sprintf( "Removed '%s' cap for %s (%d).", $cap, $user->user_login, $user->ID ) );
		}
	}

	/**
	 * List all user's capabilities.
	 *
	 * ## OPTIONS
	 *
	 * <user>
	 * : User ID, user email, or login.
	 *
	 * ## EXAMPLES
	 *
	 *     wp user list-caps admin
	 *     wp user list-caps 21
	 *
	 * @subcommand list-caps
	 */
	public function list_caps( $args, $assoc_args ) {
		$user = $this->fetcher->get_check( $args[0] );

		if ( $user ) {
			$user->get_role_caps();

			$user_caps_list = $user->allcaps;

			foreach ( $user_caps_list as $cap => $active ) {
				if ( $active ) {
					\cli\line( $cap );
				}
			}
		}
	}

	/**
	 * Import users from a CSV file.
	 *
	 * ## OPTIONS
	 *
	 * <file>
	 * : The local or remote CSV file of users to import.
	 *
	 * [--send-email]
	 * : Send an email to new users with their account details.
	 *
	 * [--skip-update]
	 * : Don't update users that already exist.
	 *
	 * ## EXAMPLES
	 *
	 *     wp user import-csv /path/to/users.csv
	 *     wp user import-csv http://example.com/users.csv
	 *
	 *     Sample users.csv file:
	 *
	 *     user_login,user_email,display_name,role
	 *     bobjones,bobjones@example.com,Bob Jones,contributor
	 *     newuser1,newuser1@example.com,New User,author
	 *     existinguser,existinguser@example.com,Existing User,administrator
	 *
	 * @subcommand import-csv
	 */
	public function import_csv( $args, $assoc_args ) {

		$blog_users = get_users();

		$filename = $args[0];

		if ( 0 === stripos( $filename, 'http://' ) || 0 === stripos( $filename, 'https://' ) ) {
			$response = wp_remote_head( $filename );
			$response_code = (string)wp_remote_retrieve_response_code( $response );
			if ( in_array( $response_code[0], array( 4, 5 ) ) ) {
				WP_CLI::error( "Couldn't access remote CSV file (HTTP {$response_code} response)." );
			}
		} else if ( ! file_exists( $filename ) ) {
			WP_CLI::error( sprintf( "Missing file: %s", $filename ) );
		}

		foreach ( new \WP_CLI\Iterators\CSV( $filename ) as $i => $new_user ) {
			$defaults = array(
				'role' => get_option('default_role'),
				'user_pass' => wp_generate_password(),
				'user_registered' => strftime( "%F %T", time() ),
				'display_name' => false,
			);
			$new_user = array_merge( $defaults, $new_user );

			$secondary_roles = array();
			if ( ! empty( $new_user['roles'] ) ) {
				$roles = array_map( 'trim', explode( ',', $new_user['roles'] ) );
				$invalid_role = false;
				foreach( $roles as $role ) {
					if ( is_null( get_role( $role ) ) ) {
						WP_CLI::warning( "{$new_user['user_login']} has an invalid role" );
						$invalid_role = true;
						break;
					}
				}
				if ( $invalid_role ) {
					continue;
				}
				$new_user['role'] = array_shift( $roles );
				$secondary_roles = $roles;
			} else if ( 'none' === $new_user['role'] ) {
				$new_user['role'] = false;
			} elseif ( is_null( get_role( $new_user['role'] ) ) ) {
				WP_CLI::warning( "{$new_user['user_login']} has an invalid role" );
				continue;
			}

			// User already exists and we just need to add them to the site if they aren't already there
			$existing_user = get_user_by( 'email', $new_user['user_email'] );

			if ( !$existing_user ) {
				$existing_user = get_user_by( 'login', $new_user['user_login'] );
			}

			if ( $existing_user && \WP_CLI\Utils\get_flag_value( $assoc_args, 'skip-update' ) ) {

				WP_CLI::log( "{$existing_user->user_login} exists and has been skipped" );
				continue;

			} else if ( $existing_user ) {

				$new_user['ID'] = $existing_user->ID;
				$user_id = wp_update_user( $new_user );

				if ( !in_array( $existing_user->user_login, wp_list_pluck( $blog_users, 'user_login' ) ) &&  $new_user['role'] ) {
					add_user_to_blog( get_current_blog_id(), $existing_user->ID, $new_user['role'] );
					WP_CLI::log( "{$existing_user->user_login} added as {$new_user['role']}." );
				}

			// Create the user
			} else {
				unset( $new_user['ID'] ); // Unset else it will just return the ID

				if ( is_multisite() ) {
					$ret = wpmu_validate_user_signup( $new_user['user_login'], $new_user['user_email'] );
					if ( is_wp_error( $ret['errors'] ) && ! empty( $ret['errors']->errors ) ) {
						WP_CLI::warning( $ret['errors'] );
						continue;
					}
					$user_id = wpmu_create_user( $new_user['user_login'], $new_user['user_email'], $new_user['user_pass'] );
					if ( ! $user_id ) {
						WP_CLI::warning( "Unknown error creating new user" );
						continue;
					}
					$new_user['ID'] = $user_id;
					$user_id = wp_update_user( $new_user );
					if ( is_wp_error( $user_id ) ) {
						WP_CLI::warning( $user_id );
						continue;
					}
				} else {
					$user_id = wp_insert_user( $new_user );
				}

				if ( \WP_CLI\Utils\get_flag_value( $assoc_args, 'send-email' ) ) {
					self::wp_new_user_notification( $user_id, $new_user['user_pass'] );
				}
			}

			if ( is_wp_error( $user_id ) ) {
				WP_CLI::warning( $user_id );
				continue;

			} else if ( $new_user['role'] === false ) {
				delete_user_option( $user_id, 'capabilities' );
				delete_user_option( $user_id, 'user_level' );
			}

			$user = get_user_by( 'id', $user_id );
			foreach( $secondary_roles as $secondary_role ) {
				$user->add_role( $secondary_role );
			}

			if ( !empty( $existing_user ) ) {
				WP_CLI::success( $new_user['user_login'] . " updated" );
			} else {
				WP_CLI::success( $new_user['user_login'] . " created" );
			}
		}
	}

	/**
	 * Check whether the role is valid
	 *
	 * @param string
	 */
	private static function validate_role( $role ) {

		if ( ! empty( $role ) && is_null( get_role( $role ) ) ) {
			WP_CLI::error( sprintf( "Role doesn't exist: %s", $role ) );
		}

	}

	/**
	 * Acommodate three different behaviors for wp_new_user_notification()
	 * - 4.3.1 and above: expect second argument to be deprecated
	 * - 4.3: Second argument was repurposed as $notify
	 * - Below 4.3: Send the password in the notification
	 *
	 * @param string $user_id
	 * @param string $password
	 */
	private static function wp_new_user_notification( $user_id, $password ) {
		if ( \WP_CLI\Utils\wp_version_compare( '4.3.1', '>=' ) ) {
			wp_new_user_notification( $user_id, null, 'both' );
		} else if ( \WP_CLI\Utils\wp_version_compare( '4.3', '>=' ) ) {
			wp_new_user_notification( $user_id, 'both' );
		} else {
			wp_new_user_notification( $user_id, $password );
		}
	}

}

/**
 * Manage user custom fields.
 *
 * ## OPTIONS
 *
 * --format=json
 * : Encode/decode values as JSON.
 *
 * ## EXAMPLES
 *
 *     wp user meta set 123 description "Mary is a WordPress developer."
 *
 *     wp user meta update admin first_name "George"
 */
class User_Meta_Command extends \WP_CLI\CommandWithMeta {
	protected $meta_type = 'user';

	public function __construct() {
		$this->fetcher = new \WP_CLI\Fetchers\User;
	}

	/**
	 * Get meta field value.
	 *
	 * ## OPTIONS
	 *
	 * <user>
	 * : The user login, user email, or user ID of the user to get metadata for.
	 *
	 * <key>
	 * : The metadata key.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, json. Default: table
	 */
	public function get( $args, $assoc_args ) {
		$args = $this->replace_login_with_user_id( $args );
		parent::get( $args, $assoc_args );
	}

	/**
	 * Delete a meta field.
	 *
	 * <user>
	 * : The user login, user email, or user ID of the user to delete metadata from.
	 *
	 * <key>
	 * : The metadata key.
	 *
	 * [<value>]
	 * : The value to delete. If omitted, all rows with key will deleted.
	 */
	public function delete( $args, $assoc_args ) {
		$args = $this->replace_login_with_user_id( $args );
		parent::delete( $args, $assoc_args );
	}

	/**
	 * Add a meta field.
	 *
	 * <user>
	 * : The user login, user email, or user ID of the user to add metadata for.
	 *
	 * <key>
	 * : The metadata key.
	 *
	 * <value>
	 * : The new metadata value.
	 *
	 * [--format=<format>]
	 * : The serialization format for the value. Default is plaintext.
	 */
	public function add( $args, $assoc_args ) {
		$args = $this->replace_login_with_user_id( $args );
		parent::add( $args, $assoc_args );
	}

	/**
	 * Update a meta field.
	 *
	 * <user>
	 * : The user login, user email, or user ID of the user to update metadata for.
	 *
	 * <key>
	 * : The metadata key.
	 *
	 * <value>
	 * : The new metadata value.
	 *
	 * [--format=<format>]
	 * : The serialization format for the value. Default is plaintext.
	 *
	 * @alias set
	 */
	public function update( $args, $assoc_args ) {
		$args = $this->replace_login_with_user_id( $args );
		parent::update( $args, $assoc_args );
	}

	/**
	 * Replace user_login value with user ID
	 * user meta is a special case that also supports user_login
	 *
	 * @param array
	 * @return array
	 */
	private function replace_login_with_user_id( $args ) {
		$user = $this->fetcher->get_check( $args[0] );
		$args[0] = $user->ID;
		return $args;
	}

}

/**
 * Manage user terms.
 *
 *
 * ## EXAMPLES
 *
 *     wp user term set 123 test category
 */
class User_Term_Command extends \WP_CLI\CommandWithTerms {
	protected $obj_type = 'user';
}


WP_CLI::add_command( 'user', 'User_Command' );
WP_CLI::add_command( 'user meta', 'User_Meta_Command' );
WP_CLI::add_command( 'user term', 'User_Term_Command' );

<?php

/**
 * Manage sidebar widgets.
 *
 * ## EXAMPLES
 *
 *     # List widgets on a given sidebar
 *     wp widget list sidebar-1
 *
 *     # Add a calendar widget to the second position on the sidebar
 *     wp widget add calendar sidebar-1 2
 *
 *     # Update option(s) associated with a given widget
 *     wp widget update calendar-1 --title="Calendar"
 *
 *     # Delete one or more widgets entirely
 *     wp widget delete calendar-2 archive-1
 */

class Widget_Command extends WP_CLI_Command {

	private $fields = array(
		'name',
		'id',
		'position',
		'options',
		);

	/**
	 * List widgets associated with a sidebar.
	 *
	 * <sidebar-id>
	 * : ID for the corresponding sidebar.
	 *
	 * [--fields=<fields>]
	 * : Limit the output to specific object fields.
	 *
	 * [--format=<format>]
	 * : Accepted values: table, csv, json, count, ids. Default: table
	 *
	 * ## AVAILABLE FIELDS
	 *
	 * These fields will be displayed by default for each widget:
	 *
	 * * name
	 * * id
	 * * position
	 * * options
	 *
	 * There are no optionally available fields.
	 *
	 * ## EXAMPLES
	 *
	 *     wp widget list sidebar-1 --fields=name --format=csv
	 *
	 * @subcommand list
	 */
	public function list_( $args, $assoc_args ) {

		list( $sidebar_id ) = $args;

		$this->validate_sidebar( $sidebar_id );

		$output_widgets = $this->get_sidebar_widgets( $sidebar_id );

		if ( ! empty( $assoc_args['format'] ) && 'ids' === $assoc_args['format'] ) {
			$output_widgets = wp_list_pluck( $output_widgets, 'id' );
		}

		$formatter = new \WP_CLI\Formatter( $assoc_args, $this->fields );
		$formatter->display_items( $output_widgets );

	}

	/**
	 * Add a widget to a sidebar.
	 *
	 * <name>
	 * : Widget name.
	 *
	 * <sidebar-id>
	 * : ID for the corresponding sidebar.
	 *
	 * [<position>]
	 * : Widget's current position within the sidebar. Defaults to last
	 *
	 * [--<field>=<value>]
	 * : Widget option to add, with its new value
	 *
	 * ## EXAMPLES
	 *
	 *     wp widget add calendar sidebar-1 2 --title="Calendar"
	 *
	 * @subcommand add
	 */
	public function add( $args, $assoc_args ) {

		list( $name, $sidebar_id ) = $args;
		$position = \WP_CLI\Utils\get_flag_value( $args, 2, 1 ) - 1;
		$this->validate_sidebar( $sidebar_id );

		if ( false == ( $widget = $this->get_widget_obj( $name ) ) ) {
			WP_CLI::error( "Invalid widget type." );
		}

		/**
		 * Adding a widget is as easy as:
		 * 1. Creating a new widget option
		 * 2. Adding the widget to the sidebar
		 * 3. Positioning appropriately
		 */
		$widget_options = $option_keys = $this->get_widget_options( $name );
		if ( ! isset( $widget_options['_multiwidget'] ) ) {
			$widget_options['_multiwidget'] = 1;
		}
		unset( $option_keys['_multiwidget'] );
		$option_keys = array_keys( $option_keys );
		$last_key = array_pop( $option_keys );
		$option_index = $last_key + 1;
		$widget_options[ $option_index ] = $this->sanitize_widget_options( $name, $assoc_args, array() );
		$this->update_widget_options( $name, $widget_options );

		$widget_id = $name . '-' . $option_index;
		$this->move_sidebar_widget( $widget_id, null, $sidebar_id, null, $position );

		WP_CLI::success( "Added widget to sidebar." );


	}

	/**
	 * Update a given widget's options.
	 *
	 * <widget-id>
	 * : Unique ID for the widget
	 *
	 * [--<field>=<value>]
	 * : Field to update, with its new value
	 *
	 * ## EXAMPLES
	 *
	 *     wp widget update calendar-1 --title="Calendar"
	 *
	 * @subcommand update
	 */
	public function update( $args, $assoc_args ) {

		list( $widget_id ) = $args;
		$this->validate_sidebar_widget( $widget_id );

		if ( empty( $assoc_args ) ) {
			WP_CLI::error( "No options specified to update." );
		}

		list( $name, $option_index ) = $this->get_widget_data( $widget_id );

		$widget_options = $this->get_widget_options( $name );
		$clean_options = $this->sanitize_widget_options( $name, $assoc_args, $widget_options[ $option_index ] );
		$widget_options[ $option_index ] = array_merge( (array)$widget_options[ $option_index ], $clean_options );
		$this->update_widget_options( $name, $widget_options );

		WP_CLI::success( "Widget updated." );

	}

	/**
	 * Move a widget from one position on a sidebar to another.
	 *
	 * <widget-id>
	 * : Unique ID for the widget
	 *
	 * [--position=<position>]
	 * : Assign the widget to a new position.
	 *
	 * [--sidebar-id=<sidebar-id>]
	 * : Assign the widget to a new sidebar
	 *
	 * ## EXAMPLES
	 *
	 *     wp widget move recent-comments-2 --position=2
	 *
	 *     wp widget move recent-comments-2 --sidebar-id=wp_inactive_widgets
	 *
	 * @subcommand move
	 */
	public function move( $args, $assoc_args ) {

		list( $widget_id ) = $args;
		$this->validate_sidebar_widget( $widget_id );

		if ( empty( $assoc_args['position'] ) && empty( $assoc_args['sidebar-id'] ) ) {
			WP_CLI::error( "A new position or new sidebar must be specified." );
		}

		list( $name, $option_index, $current_sidebar_id, $current_sidebar_index ) = $this->get_widget_data( $widget_id );

		$new_sidebar_id = ! empty( $assoc_args['sidebar-id'] ) ? $assoc_args['sidebar-id'] : $current_sidebar_id;
		$this->validate_sidebar( $new_sidebar_id );

		$new_sidebar_index = ! empty( $assoc_args['position'] ) ? $assoc_args['position'] - 1 : $current_sidebar_index;
		// Moving between sidebars adds to the top
		if ( $new_sidebar_id != $current_sidebar_id && $new_sidebar_index == $current_sidebar_index ) {
			// Human-readable positions are different than numerically indexed array
			$new_sidebar_index = 0;
		}

		$this->move_sidebar_widget( $widget_id, $current_sidebar_id, $new_sidebar_id, $current_sidebar_index, $new_sidebar_index );

		WP_CLI::success( "Widget moved." );

	}

	/**
	 * Deactivate one or more widgets from an active sidebar.
	 *
	 * <widget-id>...
	 * : Unique ID for the widget(s)
	 *
	 * ## EXAMPLES
	 *
	 *     wp widget deactivate recent-comments-2
	 *
	 * @subcommand deactivate
	 */
	public function deactivate( $args, $assoc_args ) {

		foreach( $args as $widget_id ) {
			$this->validate_sidebar_widget( $widget_id );

			list( $name, $option_index, $sidebar_id, $sidebar_index ) = $this->get_widget_data( $widget_id );
			if ( 'wp_inactive_widgets' == $sidebar_id ) {
				WP_CLI::warning( sprintf( "'%s' is already deactivated.", $widget_id ) );
				continue;
			}

			$this->move_sidebar_widget( $widget_id, $sidebar_id, 'wp_inactive_widgets', $sidebar_index, 0 );

		}

		WP_CLI::success( "Widget(s) deactivated" );
	}

	/**
	 * Delete one or more widgets from a sidebar.
	 *
	 * <widget-id>...
	 * : Unique ID for the widget(s)
	 *
	 * ## EXAMPLES
	 *
	 *     wp widget delete recent-comments-2
	 *
	 * @subcommand delete
	 */
	public function delete( $args, $assoc_args ) {

		foreach( $args as $widget_id ) {
			$this->validate_sidebar_widget( $widget_id );

			// Remove the widget's settings
			list( $name, $option_index, $sidebar_id, $sidebar_index ) = $this->get_widget_data( $widget_id );
			$widget_options = $this->get_widget_options( $name );
			unset( $widget_options[ $option_index ] );
			$this->update_widget_options( $name, $widget_options );

			// Remove the widget from the sidebar
			$all_widgets = $this->wp_get_sidebars_widgets();
			unset( $all_widgets[ $sidebar_id ][ $sidebar_index ] );
			$all_widgets[ $sidebar_id ] = array_values( $all_widgets[ $sidebar_id ] );
			update_option( 'sidebars_widgets', $all_widgets );
		}

		WP_CLI::success( "Widget(s) removed from sidebar." );
	}

	/**
	 * Check whether a sidebar is a valid sidebar
	 *
	 * @param string $sidebar_id
	 */
	private function validate_sidebar( $sidebar_id ) {
		global $wp_registered_sidebars;

		\WP_CLI\Utils\wp_register_unused_sidebar();

		if ( ! array_key_exists( $sidebar_id, $wp_registered_sidebars ) ) {
			WP_CLI::error( "Invalid sidebar." );
		}
	}

	/**
	 * Check whether the specified widget is on the sidebar
	 *
	 * @param string $widget_id
	 */
	private function validate_sidebar_widget( $widget_id ) {

		$sidebars_widgets = $this->wp_get_sidebars_widgets();

		$widget_exists = false;
		foreach( $sidebars_widgets as $sidebar_id => $widgets ) {

			if ( in_array( $widget_id, $widgets ) ) {
				$widget_exists = true;
				break;
			}

		}

		if ( false === $widget_exists ) {
			WP_CLI::error( "Specified widget isn't present on sidebar." );
		}

	}

	/**
	 * Get the widgets (and their associated data) for a given sidebar
	 *
	 * @param string $sidebar_id
	 * @return array
	 */
	private function get_sidebar_widgets( $sidebar_id ) {

		$all_widgets = $this->wp_get_sidebars_widgets();

		if ( empty( $all_widgets[ $sidebar_id ] ) ) {
			return array();
		}

		$prepared_widgets = array();
		foreach( $all_widgets[ $sidebar_id ] as $key => $widget_id ) {

			$prepared_widget = new stdClass;

			$parts = explode( '-', $widget_id );
			$option_index = array_pop( $parts );
			$widget_name = implode( '-', $parts );

			$prepared_widget->name = $widget_name;
			$prepared_widget->id = $widget_id;
			$prepared_widget->position = $key + 1;
			$widget_options = get_option( 'widget_' . $widget_name );
			$prepared_widget->options = $widget_options[ $option_index ];

			$prepared_widgets[] = $prepared_widget;
		}

		return $prepared_widgets;
	}

	/**
	 * Re-implementation of wp_get_sidebars_widgets()
	 * because the original has a nasty global component
	 */
	private function wp_get_sidebars_widgets() {
		$sidebars_widgets = get_option( 'sidebars_widgets', array() );

		if ( is_array( $sidebars_widgets ) && isset( $sidebars_widgets['array_version'] ) ) {
			unset( $sidebars_widgets['array_version'] );
		}

		return $sidebars_widgets;
	}

	/**
	 * Get the widget's name, option index, sidebar, and sidebar index from its ID
	 *
	 * @param string $widget_id
	 * @return array
	 */
	private function get_widget_data( $widget_id ) {

		$parts = explode( '-', $widget_id );
		$option_index = array_pop( $parts );
		$name = implode( '-', $parts );

		$sidebar_id = false;
		$sidebar_index = false;
		$all_widgets = $this->wp_get_sidebars_widgets();
		foreach( $all_widgets as $s_id => &$widgets ) {

			if ( false !== ( $key = array_search( $widget_id, $widgets ) ) ) {
				$sidebar_id = $s_id;
				$sidebar_index = $key;
				break;
			}

		}

		return array( $name, $option_index, $sidebar_id, $sidebar_index );
	}

	/**
	 * Get the options for a given widget
	 *
	 * @param string $name
	 * @return array
	 */
	private function get_widget_options( $name ) {
		return get_option( 'widget_' . $name, array() );
	}

	/**
	 * Update the options for a given widget
	 *
	 * @param string $name
	 * @param mixed
	 */
	private function update_widget_options( $name, $value ) {
		update_option( 'widget_' . $name, $value );
	}

	/**
	 * Reposition a widget within a sidebar or move to another sidebar.
	 *
	 * @param string $widget_id
	 * @param string|null $current_sidebar_id
	 * @param string $new_sidebar_id
	 * @param int|null $current_index
	 * @param int $new_index
	 */
	private function move_sidebar_widget( $widget_id, $current_sidebar_id, $new_sidebar_id, $current_index, $new_index ) {

		$all_widgets = $this->wp_get_sidebars_widgets();
		$needs_placement = true;
		// Existing widget
		if ( $current_sidebar_id && ! is_null( $current_index ) ) {

			$widgets = $all_widgets[ $current_sidebar_id ];
			if ( $current_sidebar_id !== $new_sidebar_id ) {

				unset( $widgets[ $current_index ] );

			} else {

				$part = array_splice( $widgets, $current_index, 1 );
				array_splice( $widgets, $new_index, 0, $part );

				$needs_placement = false;

			}

			$all_widgets[ $current_sidebar_id ] = array_values( $widgets );

		}

		if ( $needs_placement ) {
			$widgets = ! empty( $all_widgets[ $new_sidebar_id ] ) ? $all_widgets[ $new_sidebar_id ] : array();
			$before = array_slice( $widgets, 0, $new_index, true );
			$after = array_slice( $widgets, $new_index, count( $widgets ), true );
			$widgets = array_merge( $before, array( $widget_id ), $after );
			$all_widgets[ $new_sidebar_id ] = array_values( $widgets );
		}

		update_option( 'sidebars_widgets', $all_widgets );

	}

	/**
	 * Get a widget's instantiated object based on its name
	 *
	 * @param string $id_base Name of the widget
	 * @return WP_Widget|false
	 */
	private function get_widget_obj( $id_base ) {
		global $wp_widget_factory;

		$widget = wp_filter_object_list( $wp_widget_factory->widgets, array( 'id_base' => $id_base ) );
		if ( empty( $widget ) ) {
			false;
		}

		return array_pop( $widget );
	}

	/**
	 * Clean up a widget's options based on its update callback
	 *
	 * @param string $id_base Name of the widget
	 * @param mixed $dirty_options
	 * @param mixed $old_options
	 * @return mixed
	 */
	private function sanitize_widget_options( $id_base, $dirty_options, $old_options ) {

		$widget = $this->get_widget_obj( $id_base );
		if ( empty( $widget ) ) {
			return array();
		}

		// No easy way to determine expected array keys for $dirty_options
		// because Widget API dependent on the form fields
		return @$widget->update( $dirty_options, $old_options );

	}

}

WP_CLI::add_command( 'widget', 'Widget_Command' );
<?php

return array(
	'path' => array(
		'runtime' => '=<path>',
		'file' => '<path>',
		'desc' => 'Path to the WordPress files.',
	),

	'url' => array(
		'runtime' => '=<url>',
		'file' => '<url>',
		'desc' => 'Pretend request came from given URL. In multisite, this argument is how the target site is specified.',
	),
	'blog' => array(
		'deprecated' => 'Use --url instead.',
		'runtime' => '=<url>',
	),

	'config' => array(
		'deprecated' => 'Use the WP_CLI_CONFIG_PATH environment variable instead.',
		'runtime' => '=<path>',
	),

	'user' => array(
		'runtime' => '=<id|login|email>',
		'file' => '<id|login|email>',
		'desc' => 'Set the WordPress user.',
	),

	'skip-plugins' => array(
		'runtime' => '[=<plugin>]',
		'file' => '<list>',
		'desc' => 'Skip loading all or some plugins.',
		'default' => '',
	),
	
	'skip-themes' => array(
		'runtime' => '[=<theme>]',
		'file' => '<list>',
		'desc' => 'Skip loading all or some themes.',
		'default' => '',
	),

	'require' => array(
		'runtime' => '=<path>',
		'file' => '<path>',
		'desc' => 'Load PHP file before running the command (may be used more than once).',
		'multiple' => true,
		'default' => array(),
	),

	'disabled_commands' => array(
		'file' => '<list>',
		'default' => array(),
		'desc' => '(Sub)commands to disable.',
	),

	'color' => array(
		'runtime' => true,
		'file' => '<bool>',
		'default' => 'auto',
		'desc' => 'Whether to colorize the output.',
	),

	'debug' => array(
		'runtime' => '',
		'file' => '<bool>',
		'default' => false,
		'desc' => 'Show all PHP errors; add verbosity to WP-CLI bootstrap.',
	),

	'prompt' => array(
		'runtime' => '',
		'file' => false,
		'default' => false,
		'desc' => 'Prompt the user to enter values for all command arguments.',
	),

	'quiet' => array(
		'runtime' => '',
		'file' => '<bool>',
		'default' => false,
		'desc' => 'Suppress informational messages.',
	),

	'apache_modules' => array(
		'file' => '<list>',
		'desc' => 'List of Apache Modules that are to be reported as loaded.',
		'multiple' => true,
		'default' => array(),
	),

	# --allow-root => (NOT RECOMMENDED) Allow wp-cli to run as root. This poses
	# a security risk, so you probably do not want to do this.
	'allow-root' => array(
		'file' => false, # Explicit. Just in case the default changes.
		'runtime' => '',
		'hidden'  => true,
	),

);

<?php

namespace WP_CLI\Dispatcher;

/**
 * Get the path to a command, e.g. "core download"
 *
 * @param WP_CLI\Dispatcher\Subcommand $command
 * @return string
 */
function get_path( $command ) {
	$path = array();

	do {
		array_unshift( $path, $command->get_name() );
	} while ( $command = $command->get_parent() );

	return $path;
}

<?php

class WP_Export_Oxymel extends Oxymel {
	public function optional( $tag_name, $contents ) {
		if ( $contents ) {
			$this->$tag_name( $contents );
		}
		return $this;
	}

	public function optional_cdata( $tag_name, $contents ) {
		if ( $contents ) {
			$this->$tag_name->contains->cdata( $contents )->end;
		}
		return $this;
	}

	public function cdata( $text ) {
		if ( !seems_utf8( $text ) ) {
			$text = utf8_encode( $text );
		}
		return parent::cdata( $text );
	}
}

<?php
/**
 * Represents a set of posts and other site data to be exported.
 *
 * An immutable object, which gathers all data needed for the export.
 */
class WP_Export_Query {
	const QUERY_CHUNK = 100;

	private static $defaults = array(
		'post_ids' => null,
		'post_type' => null,
		'status' => null,
		'author' => null,
		'start_date' => null,
		'end_date' => null,
		'start_id' => null,
		'category' => null,
	);

	private $post_ids;
	private $filters;
	private $xml_gen;

	private $wheres = array();
	private $joins = array();

	private $author;
	private $category;

	public $missing_parents = false;

	public function __construct( $filters = array() ) {
		$this->filters = wp_parse_args( $filters, self::$defaults );
		$this->post_ids = $this->calculate_post_ids();
	}

	public function post_ids() {
		return $this->post_ids;
	}

	public function charset() {
		return get_bloginfo( 'charset' );
	}

	public function site_metadata() {
		$metadata = array(
			'name' => $this->bloginfo_rss( 'name' ),
			'url' => $this->bloginfo_rss( 'url' ),
			'language' => $this->bloginfo_rss( 'language' ),
			'description' => $this->bloginfo_rss( 'description' ),
			'pubDate' => date( 'D, d M Y H:i:s +0000' ),
			'site_url' => is_multisite()? network_home_url() : $this->bloginfo_rss( 'url' ),
			'blog_url' => $this->bloginfo_rss( 'url' ),
		);
		return $metadata;
	}

	public function wp_generator_tag() {
		return apply_filters( 'the_generator', get_the_generator( 'export' ), 'export' );
	}

	public function authors() {
		global $wpdb;
		$authors = array();
		$author_ids = $wpdb->get_col( "SELECT DISTINCT post_author FROM $wpdb->posts WHERE post_status != 'auto-draft'" );
		foreach ( (array) $author_ids as $author_id ) {
			$authors[] = get_userdata( $author_id );
		}
		$authors = array_filter( $authors );
		return $authors;
	}

	public function categories() {
		if ( $this->category ) {
			return array( $this->category );
		}
		if ( $this->filters['post_type'] ) {
			return array();
		}
		$categories = (array) get_categories( array( 'get' => 'all' ) );

		$this->check_for_orphaned_terms( $categories );

		$categories = self::topologically_sort_terms( $categories );

		return $categories;
	}

	public function tags() {
		if ( $this->filters['post_type'] ) {
			return array();
		}
		$tags = (array) get_tags( array( 'get' => 'all' ) );

		$this->check_for_orphaned_terms( $tags );

		return $tags;
	}

	public function custom_taxonomies_terms() {
		if ( $this->filters['post_type'] ) {
			return array();
		}
		$custom_taxonomies = get_taxonomies( array( '_builtin' => false ) );
		$custom_terms = (array) get_terms( $custom_taxonomies, array( 'get' => 'all' ) );
		$this->check_for_orphaned_terms( $custom_terms );
		$custom_terms = self::topologically_sort_terms( $custom_terms );
		return $custom_terms;
	}

	public function nav_menu_terms() {
		$nav_menus = wp_get_nav_menus();
		foreach( $nav_menus as &$term ) {
			$term->description = '';
		}
		return $nav_menus;
	}

	public function exportify_post( $post ) {
		$GLOBALS['wp_query']->in_the_loop = true;
		$previous_global_post = \WP_CLI\Utils\get_flag_value( $GLOBALS, 'post' );
		$GLOBALS['post'] = $post;
		setup_postdata( $post );
		$post->post_content = apply_filters( 'the_content_export', $post->post_content );
		$post->post_excerpt = apply_filters( 'the_excerpt_export', $post->post_excerpt );
		$post->is_sticky = is_sticky( $post->ID ) ? 1 : 0;
		$post->terms = self::get_terms_for_post( $post );
		$post->meta = self::get_meta_for_post( $post );
		$post->comments = self::get_comments_for_post( $post );
		$GLOBALS['post'] = $previous_global_post;
		return $post;
	}

	public function posts() {
		$posts_iterator = new WP_Post_IDs_Iterator( $this->post_ids, self::QUERY_CHUNK );
		return new WP_Map_Iterator( $posts_iterator, array( $this, 'exportify_post' ) );
	}

	private function calculate_post_ids() {
		global $wpdb;
		if ( is_array( $this->filters['post_ids'] ) ) {
			return $this->filters['post_ids'];
		}
		$this->post_type_where();
		$this->status_where();
		$this->author_where();
		$this->start_date_where();
		$this->end_date_where();
		$this->start_id_where();
		$this->category_where();

		$where = implode( ' AND ', array_filter( $this->wheres ) );
		if ( $where ) $where = "WHERE $where";
		$join = implode( ' ', array_filter( $this->joins ) );

		$post_ids = $wpdb->get_col( "SELECT ID FROM {$wpdb->posts} AS p $join $where" );
		$post_ids = array_merge( $post_ids, $this->attachments_for_specific_post_types( $post_ids ) );
		return $post_ids;
	}

	private function post_type_where() {
		global $wpdb;
		$post_types_filters = array( 'can_export' => true );
		if ( $this->filters['post_type'] ) {
			$post_types = $this->filters['post_type'];

			// Flatten single post types
			if ( is_array( $post_types ) && 1 === count( $post_types ) ) {
				$post_types = array_shift( $post_types );
			}
			$post_types_filters = array_merge( $post_types_filters, array( 'name' => $post_types ) );
		}

		// Multiple post types
		if ( is_array( $post_types_filters['name'] ) ) {
			$post_types = array();
			foreach ( $post_types_filters['name'] as $post_type ) {
				if ( post_type_exists( $post_type ) ) {
					$post_types[] = $post_type;
				}
			}
		} else {
			$post_types = get_post_types( $post_types_filters );
		}

		if ( ! $post_types ) {
			$this->wheres[] = 'p.post_type IS NULL';
			return;
		}
		$this->wheres[] = _wp_export_build_IN_condition( 'p.post_type', $post_types );
	}

	private function status_where() {
		global $wpdb;
		if ( !$this->filters['status'] ) {
			$this->wheres[] = "p.post_status != 'auto-draft'";
			return;
		}
		$this->wheres[] = $wpdb->prepare( 'p.post_status = %s', $this->filters['status'] );
	}

	private function author_where() {
		global $wpdb;
		$user = $this->find_user_from_any_object( $this->filters['author'] );
		if ( !$user || is_wp_error( $user ) ) {
			return;
		}
		$this->author = $user;
		$this->wheres[] = $wpdb->prepare( 'p.post_author = %d', $user->ID );
	}

	private function start_date_where() {
		global $wpdb;
		$timestamp = strtotime( $this->filters['start_date'] );
		if ( !$timestamp ) {
			return;
		}
		$this->wheres[] = $wpdb->prepare( 'p.post_date >= %s', date( 'Y-m-d 00:00:00', $timestamp ) );
	}

	private function end_date_where() {
		global $wpdb;
		if ( preg_match( '/^\d{4}-\d{2}$/', $this->filters['end_date'] ) ) {
			$timestamp = $this->get_timestamp_for_the_last_day_of_a_month( $this->filters['end_date'] );
		} else {
			$timestamp = strtotime( $this->filters['end_date'] );
		}
		if ( !$timestamp ) {
			return;
		}
		$this->wheres[] = $wpdb->prepare( 'p.post_date <= %s', date( 'Y-m-d 23:59:59', $timestamp ) );
	}

	private function start_id_where() {
		global $wpdb;

		$start_id = absint( $this->filters['start_id'] );
		if ( 0 === $start_id ) {
			return;
		}
		$this->wheres[] = $wpdb->prepare( 'p.ID >= %d', $start_id );
	}

	private function get_timestamp_for_the_last_day_of_a_month( $yyyy_mm ) {
		return strtotime( "$yyyy_mm +1month -1day" );
	}

	private function category_where() {
		global $wpdb;
		if ( 'post' != $this->filters['post_type'] && ! in_array( 'post', (array) $this->filters['post_type'] ) ) {
			return;
		}
		$category = $this->find_category_from_any_object( $this->filters['category'] );
		if ( !$category ) {
			return;
		}
		$this->category = $category;
		$this->joins[] = "INNER JOIN {$wpdb->term_relationships} AS tr ON (p.ID = tr.object_id)";
		$this->wheres[] = $wpdb->prepare( 'tr.term_taxonomy_id = %d', $category->term_taxonomy_id );
	}

	private function attachments_for_specific_post_types( $post_ids ) {
		global $wpdb;
		if ( !$this->filters['post_type'] ) {
			return array();
		}
		$attachment_ids = array();
		while ( $batch_of_post_ids = array_splice( $post_ids, 0, self::QUERY_CHUNK ) ) {
			$post_parent_condition = _wp_export_build_IN_condition( 'post_parent', $batch_of_post_ids );
			$attachment_ids = array_merge( $attachment_ids, (array)$wpdb->get_col( "SELECT ID FROM {$wpdb->posts} WHERE post_type = 'attachment' AND $post_parent_condition" ) );
		}
		return array_map( 'intval', $attachment_ids );
	}

	private function bloginfo_rss( $section ) {
		return apply_filters( 'bloginfo_rss', get_bloginfo_rss( $section ), $section );
	}

	private function find_user_from_any_object( $user ) {
		if ( is_numeric( $user ) ) {
			return get_user_by( 'id', $user );
		} elseif ( is_string( $user ) ) {
			return get_user_by( 'login', $user );
		} elseif ( isset( $user->ID ) ) {
			return get_user_by( 'id', $user->ID );
		}
		return false;
	}

	private function find_category_from_any_object( $category ) {
		if ( is_numeric( $category ) ) {
			return get_term( $category, 'category' );
		} elseif ( is_string( $category ) ) {
			$term = term_exists( $category, 'category' );
			return isset( $term['term_id'] )? get_term( $term['term_id'], 'category' ) : false;
		} elseif ( isset( $category->term_id ) ) {
			return get_term( $category->term_id, 'category' );
		}
		return false;
	}

	private static function topologically_sort_terms( $terms ) {
		$sorted = array();
		while ( $term = array_shift( $terms ) ) {
			if ( $term->parent == 0 || isset( $sorted[$term->parent] ) )
				$sorted[$term->term_id] = $term;
			else
				$terms[] = $term;
		}
		return $sorted;
	}

	private function check_for_orphaned_terms( $terms ) {
		$term_ids = array();
		$have_parent = array();

		foreach ( $terms as $term ) {
			$term_ids[ $term->term_id ] = true;
			if ( $term->parent != 0 )
				$have_parent[] = $term;
		}

		foreach ( $have_parent as $has_parent ) {
			if ( ! isset( $term_ids[ $has_parent->parent ] ) ) {
				$this->missing_parents = $has_parent;
				throw new WP_Export_Term_Exception( sprintf( __( 'Term is missing a parent: %s (%d)' ), $has_parent->slug, $has_parent->term_taxonomy_id ) );
			}
		}
	}

	private static function get_terms_for_post( $post ) {
		$taxonomies = get_object_taxonomies( $post->post_type );
		if ( empty( $taxonomies ) )
			return array();
		$terms = wp_get_object_terms( $post->ID, $taxonomies );
		$terms = $terms? $terms : array();
		return $terms;
	}

	private static function get_meta_for_post( $post ) {
		global $wpdb;
		$meta_for_export = array();
		$meta_from_db = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->postmeta WHERE post_id = %d", $post->ID ) );
		foreach ( $meta_from_db as $meta ) {
			if ( apply_filters( 'wxr_export_skip_postmeta', false, $meta->meta_key, $meta ) )
				continue;
			if ( in_array( $meta->meta_key, array( '_edit_lock', '_wp_attachment_metadata', '_wp_attached_file' ) ) ) {
				continue;
			}
			$meta_for_export[] = $meta;
		}
		return $meta_for_export;
	}

	private static function get_comments_for_post( $post ) {
		global $wpdb;
		$comments = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved <> 'spam'", $post->ID ) );
		foreach( $comments as $comment ) {
			$meta = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->commentmeta WHERE comment_id = %d", $comment->comment_ID ) );
			$meta = $meta? $meta : array();
			$comment->meta = $meta;
		}
		return $comments;
	}
}

class WP_Export_Exception extends RuntimeException {
}

class WP_Export_Term_Exception extends RuntimeException {
}
<?php
/**
 * Version number for the export format.
 *
 * Bump this when something changes that might affect compatibility.
 *
 * @since 2.5.0
 */
define( 'WXR_VERSION', '1.2' );

/**
 * Responsible for formatting the data in WP_Export_Query to WXR
 */
class WP_Export_WXR_Formatter {
	public function __construct( $export ) {
		$this->export = $export;
		$this->wxr_version = WXR_VERSION;
	}

	public function before_posts() {
		$before_posts_xml = '';
		$before_posts_xml .= $this->header();
		$before_posts_xml .= $this->site_metadata();
		$before_posts_xml .= $this->authors();
		$before_posts_xml .= $this->categories();
		$before_posts_xml .= $this->tags();
		$before_posts_xml .= $this->nav_menu_terms();
		$before_posts_xml .= $this->custom_taxonomies_terms();
		$before_posts_xml .= $this->rss2_head_action();
		return $before_posts_xml;
	}

	public function posts() {
		return new WP_Map_Iterator( $this->export->posts(), array( $this, 'post' ) );
	}

	public function after_posts() {
		return $this->footer();
	}

	public function header() {
		$oxymel = new Oxymel;
		$charset = $this->export->charset();
		$wp_generator_tag = $this->export->wp_generator_tag();
		$comment = <<<COMMENT

 This is a WordPress eXtended RSS file generated by WordPress as an export of your site.
 It contains information about your site's posts, pages, comments, categories, and other content.
 You may use this file to transfer that content from one site to another.
 This file is not intended to serve as a complete backup of your site.

 To import this information into a WordPress site follow these steps:
 1. Log in to that site as an administrator.
 2. Go to Tools: Import in the WordPress admin panel.
 3. Install the "WordPress" importer from the list.
 4. Activate & Run Importer.
 5. Upload this file using the form provided on that page.
 6. You will first be asked to map the authors in this export file to users
    on the site. For each author, you may choose to map to an
    existing user on the site or to create a new user.
 7. WordPress will then import each of the posts, pages, comments, categories, etc.
    contained in this file into your site.

COMMENT;
		return $oxymel
			->xml
			->comment( $comment )
			->raw( $wp_generator_tag )
			->open_rss( array(
				'version' => '2.0',
				'xmlns:excerpt' => "http://wordpress.org/export/{$this->wxr_version}/excerpt/",
				'xmlns:content' => "http://purl.org/rss/1.0/modules/content/",
				'xmlns:wfw' => "http://wellformedweb.org/CommentAPI/",
				'xmlns:dc' => "http://purl.org/dc/elements/1.1/",
				'xmlns:wp' => "http://wordpress.org/export/{$this->wxr_version}/",
			) )
				->open_channel
				->to_string();

	}

	public function site_metadata() {
		$oxymel = new Oxymel;
		$metadata = $this->export->site_metadata();
		return $oxymel
			->title( $metadata['name'] )
			->link( $metadata['url'] )
			->description( $metadata['description'] )
			->pubDate( $metadata['pubDate'] )
			->language( $metadata['language'] )
			->tag( 'wp:wxr_version', $this->wxr_version )
			->tag( 'wp:base_site_url', $metadata['site_url'] )
			->tag( 'wp:base_blog_url', $metadata['blog_url'] )
			->to_string();
	}

	public function authors() {
		$oxymel = new Oxymel;
		$authors = $this->export->authors();
		foreach ( $authors as $author ) {
			$oxymel
				->tag( 'wp:author' )->contains
					->tag( 'wp:author_id', $author->ID )
					->tag( 'wp:author_login', $author->user_login )
					->tag( 'wp:author_email', $author->user_email )
					->tag( 'wp:author_display_name' )->contains->cdata( $author->display_name )->end
					->tag( 'wp:author_first_name' )->contains->cdata( $author->user_firstname )->end
					->tag( 'wp:author_last_name' )->contains->cdata( $author->user_lastname )->end
					->end;
		}
		return $oxymel->to_string();
	}

	public function categories() {
		$oxymel = new WP_Export_Oxymel;
		$categories = $this->export->categories();
		foreach( $categories as $term_id => $category ) {
			$category->parent_slug = $category->parent? $categories[$category->parent]->slug : '';
			$oxymel->tag( 'wp:category' )->contains
				->tag( 'wp:term_id', $category->term_id )
				->tag( 'wp:category_nicename', $category->slug )
				->tag( 'wp:category_parent', $category->parent_slug )
				->optional_cdata( 'wp:cat_name', $category->name )
				->optional_cdata( 'wp:category_description', $category->description )
				->end;
		}
		return $oxymel->to_string();
	}

	public function tags() {
		$oxymel = new WP_Export_Oxymel;
		$tags = $this->export->tags();
		foreach( $tags as $tag ) {
			$oxymel->tag( 'wp:tag' )->contains
				->tag( 'wp:term_id', $tag->term_id )
				->tag( 'wp:tag_slug', $tag->slug )
				->optional_cdata( 'wp:tag_name', $tag->name )
				->optional_cdata( 'wp:tag_description', $tag->description )
				->end;
		}
		return $oxymel->to_string();
	}

	public function nav_menu_terms() {
		return $this->terms( $this->export->nav_menu_terms() );
	}

	public function custom_taxonomies_terms() {
		return $this->terms( $this->export->custom_taxonomies_terms() );
	}

	public function rss2_head_action() {
		ob_start();
		do_action( 'rss2_head' );
		$action_output = ob_get_clean();
		return $action_output;
	}

	public function post( $post ) {
		$oxymel = new WP_Export_Oxymel;
		$GLOBALS['wp_query']->in_the_loop = true;
		$GLOBALS['post'] = $post;
		setup_postdata( $post );

		$oxymel->item->contains
			->title( apply_filters( 'the_title_rss', $post->post_title ) )
			->link( esc_url( apply_filters('the_permalink_rss', get_permalink() ) ) )
			->pubDate( mysql2date( 'D, d M Y H:i:s +0000', get_post_time( 'Y-m-d H:i:s', true ), false ) )
			->tag( 'dc:creator', get_the_author_meta( 'login' ) )
			->guid( esc_url( get_the_guid() ), array( 'isPermaLink' => 'false' ) )
			->description( '' )
			->tag( 'content:encoded' )->contains->cdata( $post->post_content )->end
			->tag( 'excerpt:encoded' )->contains->cdata( $post->post_excerpt )->end
			->tag( 'wp:post_id', $post->ID )
			->tag( 'wp:post_date', $post->post_date )
			->tag( 'wp:post_date_gmt', $post->post_date_gmt )
			->tag( 'wp:comment_status', $post->comment_status )
			->tag( 'wp:ping_status', $post->ping_status )
			->tag( 'wp:post_name', $post->post_name )
			->tag( 'wp:status', $post->post_status )
			->tag( 'wp:post_parent', $post->post_parent )
			->tag( 'wp:menu_order', $post->menu_order )
			->tag( 'wp:post_type', $post->post_type )
			->tag( 'wp:post_password', $post->post_password )
			->tag( 'wp:is_sticky', $post->is_sticky )
			->optional( 'wp:attachment_url', wp_get_attachment_url( $post->ID ) );
		foreach( $post->terms as $term ) {
			$oxymel
			->category( array( 'domain' => $term->taxonomy, 'nicename' => $term->slug  ) )->contains->cdata( $term->name )->end;
		}
		foreach( $post->meta as $meta ) {
			$oxymel
			->tag( 'wp:postmeta' )->contains
				->tag( 'wp:meta_key', $meta->meta_key )
				->tag( 'wp:meta_value' )->contains->cdata( $meta->meta_value )->end
				->end;
		}
		foreach( $post->comments as $comment ) {
			$oxymel
			->tag( 'wp:comment' )->contains
				->tag( 'wp:comment_id', $comment->comment_ID )
				->tag( 'wp:comment_author' )->contains->cdata( $comment->comment_author )->end
				->tag( 'wp:comment_author_email', $comment->comment_author_email )
				->tag( 'wp:comment_author_url', esc_url( $comment->comment_author_url ) )
				->tag( 'wp:comment_author_IP', $comment->comment_author_IP )
				->tag( 'wp:comment_date', $comment->comment_date )
				->tag( 'wp:comment_date_gmt', $comment->comment_date_gmt )
				->tag( 'wp:comment_content' )->contains->cdata( $comment->comment_content )->end
				->tag( 'wp:comment_approved', $comment->comment_approved )
				->tag( 'wp:comment_type', $comment->comment_type )
				->tag( 'wp:comment_parent', $comment->comment_parent )
				->tag( 'wp:comment_user_id', $comment->user_id )
				->oxymel( $this->comment_meta( $comment ) )
				->end;
		}
		$oxymel
			->end;
		return $oxymel->to_string();
	}

	public function footer() {
		$oxymel = new Oxymel;
		return $oxymel->close_channel->close_rss->to_string();
	}

	protected function terms( $terms ) {
		$oxymel = new WP_Export_Oxymel;
		foreach( $terms as $term ) {
			$term->parent_slug = $term->parent? $terms[$term->parent]->slug : '';
			$oxymel->tag( 'wp:term' )->contains
				->tag( 'wp:term_id', $term->term_id )
				->tag( 'wp:term_taxonomy', $term->taxonomy )
				->tag( 'wp:term_slug', $term->slug );
			if ( 'nav_menu' != $term->taxonomy ) {
				$oxymel
				->tag( 'wp:term_parent', $term->parent_slug );
			}
				$oxymel
				->optional_cdata( 'wp:term_name', $term->name )
				->optional_cdata( 'wp:term_description', $term->description )
				->end;
		}
		return $oxymel->to_string();
	}

	protected function comment_meta( $comment ) {
		global $wpdb;
		$metas = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $wpdb->commentmeta WHERE comment_id = %d", $comment->comment_ID ) );
		if ( !$metas ) {
			return new Oxymel;
		}
		$oxymel = new WP_Export_Oxymel;
		foreach( $metas as $meta ) {
			$oxymel->tag( 'wp:commentmeta' )->contains
				->tag( 'wp:meta_key', $meta->meta_key )
				->tag( 'wp:meta_value' )->contains->cdata( $meta->meta_value )->end
			->end;
		}
		return $oxymel;
	}
}
<?php

function wp_export( $args = array() ) {
	$defaults = array(
		'filters' => array(),
		'format' => 'WP_Export_WXR_Formatter',
		'writer' => 'WP_Export_Returner',
		'writer_args' => null,
	);
	$args = wp_parse_args( $args, $defaults );
	$export_query = new WP_Export_Query( $args['filters'] );
	$formatter = new $args['format']( $export_query );
	$writer = new $args['writer']( $formatter, $args['writer_args'] );
	try {
		return $writer->export();
	} catch ( WP_Export_Exception $e ) {
		return new WP_Error( 'wp-export-error', $e->getMessage() );
	}
}

function wp_export_new_style_args_from_old_style_args( $args ) {
	if ( isset( $args['content'] ) ) {
		if ( 'all' == $args['content'] ) {
			unset( $args['content'] );
		} else {
			$args['post_type'] = $args['content'];
		}
	}
	return $args;
}

// TEMPORARY
function _wp_export_build_IN_condition( $column_name, $values, $format = '%s' ) {
	global $wpdb;

	if ( !is_array( $values ) || empty( $values ) ) {
		return '';
	}
	$formats = implode( ', ', array_fill( 0, count( $values ), $format ) );
	return $wpdb->prepare( "$column_name IN ($formats)", $values );
}
<?php
class WP_Map_Iterator extends IteratorIterator {
	function __construct( $iterator, $callback ) {
		$this->callback = $callback;
		parent::__construct( $iterator );
	}

	function current() {
		$original_current = parent::current();
		return call_user_func( $this->callback, $original_current );
	}
}

class WP_Post_IDs_Iterator implements Iterator {
	private $limit = 100;
	private $post_ids;
	private $ids_left;
	private $results = array();

	public function __construct( $post_ids, $limit = null ) {
		$this->db = $GLOBALS['wpdb'];
		$this->post_ids = $post_ids;
		$this->ids_left = $post_ids;
		if ( !is_null( $limit ) ) {
			$this->limit = $limit;
		}
	}

	public function current() {
		return $this->results[$this->index_in_results];
	}

	public function key() {
		return $this->global_index;
	}

	public function next() {
		$this->index_in_results++;
		$this->global_index++;
	}

	public function rewind() {
		$this->results = array();
		$this->global_index = 0;
		$this->index_in_results = 0;
		$this->ids_left = $this->post_ids;
	}

	public function valid() {
		if ( isset( $this->results[$this->index_in_results] ) ) {
			return true;
		}
		if ( empty( $this->ids_left ) ) {
			return false;
		}
		$has_posts = $this->load_next_posts_from_db();
		if ( !$has_posts ) {
			return false;
		}
		$this->index_in_results = 0;
		return true;
	}

	private function load_next_posts_from_db() {
		$next_batch_post_ids = array_splice( $this->ids_left, 0, $this->limit );
		$in_post_ids_sql = _wp_export_build_IN_condition( 'ID', $next_batch_post_ids );
		$this->results = $this->db->get_results( "SELECT * FROM {$this->db->posts} WHERE $in_post_ids_sql" );
		if ( !$this->results ) {
			if ( $this->db->last_error ) {
				throw new WP_Iterator_Exception( 'Database error: ' . $this->db->last_error );
			} else {
				return false;
			}
		}
		return true;
	}
}

class WP_Iterator_Exception extends Exception {
}
<?php
abstract class WP_Export_Base_Writer {
	protected $formatter;

	function __construct( $formatter ) {
		$this->formatter = $formatter;
	}

	public function export() {
		$this->write( $this->formatter->before_posts() );
		foreach( $this->formatter->posts() as $post_in_wxr ) {
			$this->write( $post_in_wxr );
		}
		$this->write( $this->formatter->after_posts() );
	}

	abstract protected function write( $xml );
}

class WP_Export_XML_Over_HTTP extends WP_Export_Base_Writer {
	private $file_name;

	function __construct( $formatter, $file_name ) {
		parent::__construct( $formatter );
		$this->file_name = $file_name;
	}

	public function export() {
		try {
			$export = $this->get_export();
			$this->send_headers();
			echo $export;
		} catch ( WP_Export_Exception $e ) {
			$message = apply_filters( 'export_error_message', $e->getMessage() );
			wp_die( $message, __( 'Export Error' ), array( 'back_link' => true ) );
		} catch ( WP_Export_Term_Exception $e ) {
			do_action( 'export_term_orphaned', $this->formatter->export->missing_parents );
			$message = apply_filters( 'export_term_error_message', $e->getMessage() );
			wp_die( $message, __( 'Export Error' ), array( 'back_link' => true ) );
		}
	}

	protected function write( $xml ) {
		$this->result .= $xml;
	}

	protected function get_export() {
		$this->result = '';
		parent::export();
		return $this->result;
	}

	protected function send_headers() {
		header( 'Content-Description: File Transfer' );
		header( 'Content-Disposition: attachment; filename=' . $this->file_name );
		header( 'Content-Type: text/xml; charset=' . get_option( 'blog_charset' ), true );
	}
}

class WP_Export_Returner extends WP_Export_Base_Writer {
	private $result = '';

	public function export() {
		$this->private = '';
		try { 
			parent::export();
		} catch ( WP_Export_Exception $e ) {
			$message = apply_filters( 'export_error_message', $e->getMessage() );
			return new WP_Error( 'wp-export-error', $message );
			
		} catch ( WP_Export_Term_Exception $e ) {
			do_action( 'export_term_orphaned', $this->formatter->export->missing_parents );
			$message = apply_filters( 'export_term_error_message', $e->getMessage() );
			return new WP_Error( 'wp-export-error', $message );
		}
		return $this->result;
	}
	protected function write( $xml ) {
		$this->result .= $xml;
	}
}

class WP_Export_File_Writer extends WP_Export_Base_Writer {
	private $f;
	private $file_name;

	public function __construct( $formatter, $file_name ) {
		parent::__construct( $formatter );
		$this->file_name = $file_name;
	}

	public function export() {
		$this->f = fopen( $this->file_name, 'w' );
		if ( !$this->f ) {
			throw new WP_Export_Exception( sprintf( __( 'WP Export: error opening %s for writing.' ), $this->file_name ) );
		}

		try { 
			parent::export();
		} catch ( WP_Export_Exception $e ) {
			throw $e;
		} catch ( WP_Export_Term_Exception $e ) {
			throw $e;
		}

		fclose( $this->f );
	}

	protected function write( $xml ) {
		$res = fwrite( $this->f, $xml);
		if ( false === $res ) {
			throw new WP_Export_Exception( __( 'WP Export: error writing to export file.' ) );
		}
	}
}

class WP_Export_Split_Files_Writer extends WP_Export_Base_Writer {
	private $result = '';
	private $f;
	private $next_file_number = 0;
	private $current_file_size = 0;

	function __construct( $formatter, $writer_args = array() ) {
		parent::__construct( $formatter );
		//TODO: check if args are not missing
		$this->max_file_size = is_null( $writer_args['max_file_size'] ) ? 15 * MB_IN_BYTES : $writer_args['max_file_size'];
		$this->destination_directory = $writer_args['destination_directory'];
		$this->filename_template = $writer_args['filename_template'];
		$this->before_posts_xml = $this->formatter->before_posts();
		$this->after_posts_xml = $this->formatter->after_posts();
	}

	public function export() {
		$this->start_new_file();
		foreach( $this->formatter->posts() as $post_xml ) {
			if ( $this->current_file_size + strlen( $post_xml ) > $this->max_file_size ) {
				$this->start_new_file();
			}
			$this->write( $post_xml );
		}
		$this->close_current_file();
	}

	protected function write( $xml ) {
		$res = fwrite( $this->f, $xml);
		if ( false === $res ) {
			throw new WP_Export_Exception( __( 'WP Export: error writing to export file.' ) );
		}
		$this->current_file_size += strlen( $xml );
	}

	private function start_new_file() {
		if ( $this->f ) {
			$this->close_current_file();
		}
		$file_path = $this->next_file_path();
		$this->f = fopen( $file_path, 'w' );
		if ( !$this->f ) {
			throw new WP_Export_Exception( sprintf( __( 'WP Export: error opening %s for writing.' ), $file_path ) );
		}
		do_action( 'wp_export_new_file', $file_path );
		$this->current_file_size = 0;
		$this->write( $this->before_posts_xml );
	}

	private function close_current_file() {
		if ( !$this->f ) {
			return;
		}
		$this->write( $this->after_posts_xml );
		fclose( $this->f );
	}

	private function next_file_name() {
		$next_file_name = sprintf( $this->filename_template, $this->next_file_number );
		$this->next_file_number++;
		return $next_file_name;
	}

	private function next_file_path() {
		return untrailingslashit( $this->destination_directory ) . DIRECTORY_SEPARATOR . $this->next_file_name();
	}

}
<?php
// Used by `wp server` to route requests.

namespace WP_CLI\Router;

/**
 * This is a copy of WordPress's add_filter() function.
 *
 * We duplicate it because WordPress is not loaded yet.
 */
function add_filter($tag, $function_to_add, $priority = 10, $accepted_args = 1) {
	global $wp_filter, $merged_filters;

	$idx = _wp_filter_build_unique_id($tag, $function_to_add, $priority);
	$wp_filter[$tag][$priority][$idx] = array('function' => $function_to_add, 'accepted_args' => $accepted_args);
	unset( $merged_filters[ $tag ] );
	return true;
}

/**
 * This is a copy of WordPress's _wp_filter_build_unique_id() function.
 *
 * We duplicate it because WordPress is not loaded yet.
 */
function _wp_filter_build_unique_id($tag, $function, $priority) {
	global $wp_filter;
	static $filter_id_count = 0;

	if ( is_string($function) )
		return $function;

	if ( is_object($function) ) {
		// Closures are currently implemented as objects
		$function = array( $function, '' );
	} else {
		$function = (array) $function;
	}

	if (is_object($function[0]) ) {
		// Object Class Calling
		if ( function_exists('spl_object_hash') ) {
			return spl_object_hash($function[0]) . $function[1];
		} else {
			$obj_idx = get_class($function[0]).$function[1];
			if ( !isset($function[0]->wp_filter_id) ) {
				if ( false === $priority )
					return false;
				$obj_idx .= isset($wp_filter[$tag][$priority]) ? count((array)$wp_filter[$tag][$priority]) : $filter_id_count;
				$function[0]->wp_filter_id = $filter_id_count;
				++$filter_id_count;
			} else {
				$obj_idx .= $function[0]->wp_filter_id;
			}

			return $obj_idx;
		}
	} else if ( is_string($function[0]) ) {
		// Static Calling
		return $function[0] . '::' . $function[1];
	}
}

function _get_full_host( $url ) {
	$parsed_url = parse_url( $url );

	$host = $parsed_url['host'];
	if ( isset( $parsed_url['port'] ) && $parsed_url['port'] != 80 )
		$host .= ':' . $parsed_url['port'];

	return $host;
}

// We need to trick WordPress into using the URL set by `wp server`, especially on multisite.
add_filter( 'option_home', function ( $url ) {
	$GLOBALS['_wp_cli_original_url'] = $url;

	return 'http://' . $_SERVER['HTTP_HOST'];
}, 20 );

add_filter( 'option_siteurl', function ( $url ) {
	if ( !isset( $GLOBALS['_wp_cli_original_url'] ) )
		get_option('home');  // trigger the option_home filter

	$home_url_host = _get_full_host( $GLOBALS['_wp_cli_original_url'] );
	$site_url_host = _get_full_host( $url );

	if ( $site_url_host == $home_url_host ) {
		$url = str_replace( $site_url_host, $_SERVER['HTTP_HOST'], $url );
	}

	return $url;
}, 20 );

$root = $_SERVER['DOCUMENT_ROOT'];
$path = '/'. ltrim( parse_url( urldecode( $_SERVER['REQUEST_URI'] ) )['path'], '/' );

if ( file_exists( $root.$path ) ) {
	if ( is_dir( $root.$path ) && substr( $path, -1 ) !== '/' ) {
		header( "Location: $path/" );
		exit;
	}

	if ( strpos( $path, '.php' ) !== false ) {
		chdir( dirname( $root.$path ) );
		require_once $root.$path;
	} else {
		return false;
	}
} else {
	chdir( $root );
	require_once 'index.php';
}
<?php

// Utilities that depend on WordPress code.

namespace WP_CLI\Utils;

function wp_not_installed() {
	if ( !is_blog_installed() && !defined( 'WP_INSTALLING' ) ) {
		\WP_CLI::error(
			"The site you have requested is not installed.\n" .
			'Run `wp core install`.' );
	}
}

function wp_debug_mode() {
	if ( \WP_CLI::get_config( 'debug' ) ) {
		if ( !defined( 'WP_DEBUG' ) )
			define( 'WP_DEBUG', true );

		error_reporting( E_ALL & ~E_DEPRECATED & ~E_STRICT );
	} else {
		\wp_debug_mode();
	}

	// XDebug already sends errors to STDERR
	ini_set( 'display_errors', function_exists( 'xdebug_debug_zval' ) ? false : 'STDERR' );
}

function replace_wp_die_handler() {
	\remove_filter( 'wp_die_handler', '_default_wp_die_handler' );
	\add_filter( 'wp_die_handler', function() { return __NAMESPACE__ . '\\' . 'wp_die_handler'; } );
}

function wp_die_handler( $message ) {
	if ( is_wp_error( $message ) ) {
		$message = $message->get_error_message();
	}

	if ( preg_match( '|^\<h1>(.+?)</h1>|', $message, $matches ) ) {
		$message = $matches[1];
	}

	$message = html_entity_decode( $message );

	\WP_CLI::error( $message );
}

function wp_redirect_handler( $url ) {
	\WP_CLI::warning( 'Some code is trying to do a URL redirect. Backtrace:' );

	ob_start();
	debug_print_backtrace();
	fwrite( STDERR, ob_get_clean() );

	return $url;
}

function maybe_require( $since, $path ) {
	if ( wp_version_compare( $since, '>=' ) ) {
		require $path;
	}
}

function get_upgrader( $class ) {
	if ( !class_exists( '\WP_Upgrader' ) )
		require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php';

	return new $class( new \WP_CLI\UpgraderSkin );
}

/**
 * Converts a plugin basename back into a friendly slug.
 */
function get_plugin_name( $basename ) {
	if ( false === strpos( $basename, '/' ) )
		$name = basename( $basename, '.php' );
	else
		$name = dirname( $basename );

	return $name;
}

function is_plugin_skipped( $file ) {
	$name = get_plugin_name( str_replace( WP_PLUGIN_DIR . '/', '', $file ) );

	$skipped_plugins = \WP_CLI::get_runner()->config['skip-plugins'];
	if ( true === $skipped_plugins )
		return true;

	if ( ! is_array( $skipped_plugins ) ) {
		$skipped_plugins = explode( ',', $skipped_plugins );
	}

	return in_array( $name, array_filter( $skipped_plugins ) );
}

function get_theme_name( $path ) {
	return basename( $path );
}

function is_theme_skipped( $path ) {
	$name = get_theme_name( $path );

	$skipped_themes = \WP_CLI::get_runner()->config['skip-themes'];
	if ( true === $skipped_themes )
		return true;

	if ( ! is_array( $skipped_themes ) ) {
		$skipped_themes = explode( ',', $skipped_themes );
	}

	return in_array( $name, array_filter( $skipped_themes ) );
}

/**
 * Register the sidebar for unused widgets
 * Core does this in /wp-admin/widgets.php, which isn't helpful
 */
function wp_register_unused_sidebar() {

	register_sidebar(array(
		'name' => __('Inactive Widgets'),
		'id' => 'wp_inactive_widgets',
		'class' => 'inactive-sidebar',
		'description' => __( 'Drag widgets here to remove them from the sidebar but keep their settings.' ),
		'before_widget' => '',
		'after_widget' => '',
		'before_title' => '',
		'after_title' => '',
	));

}

/**
 * Attempts to determine which object cache is being used.
 *
 * Note that the guesses made by this function are based on the WP_Object_Cache classes
 * that define the 3rd party object cache extension. Changes to those classes could render
 * problems with this function's ability to determine which object cache is being used.
 *
 * @return string
 */
function wp_get_cache_type() {
	global $_wp_using_ext_object_cache, $wp_object_cache;

	if ( ! empty( $_wp_using_ext_object_cache ) ) {
		// Test for Memcached PECL extension memcached object cache (https://github.com/tollmanz/wordpress-memcached-backend)
		if ( isset( $wp_object_cache->m ) && is_a( $wp_object_cache->m, 'Memcached' ) ) {
			$message = 'Memcached';

		// Test for Memcache PECL extension memcached object cache (http://wordpress.org/extend/plugins/memcached/)
		} elseif ( isset( $wp_object_cache->mc ) ) {
			$is_memcache = true;
			foreach ( $wp_object_cache->mc as $bucket ) {
				if ( ! is_a( $bucket, 'Memcache' ) )
					$is_memcache = false;
			}

			if ( $is_memcache )
				$message = 'Memcache';

		// Test for Xcache object cache (http://plugins.svn.wordpress.org/xcache/trunk/object-cache.php)
		} elseif ( is_a( $wp_object_cache, 'XCache_Object_Cache' ) ) {
			$message = 'Xcache';

		// Test for WinCache object cache (http://wordpress.org/extend/plugins/wincache-object-cache-backend/)
		} elseif ( class_exists( 'WinCache_Object_Cache' ) ) {
			$message = 'WinCache';

		// Test for APC object cache (http://wordpress.org/extend/plugins/apc/)
		} elseif ( class_exists( 'APC_Object_Cache' ) ) {
			$message = 'APC';

		// Test for Redis Object Cache (https://github.com/alleyinteractive/wp-redis)
		} elseif ( isset( $wp_object_cache->redis ) && is_a( $wp_object_cache->redis, 'Redis' ) ) {
			$message = 'Redis';

		} else {
			$message = 'Unknown';
		}
	} else {
		$message = 'Default';
	}
	return $message;
}

/**
 * Clear all of the caches for memory management
 */
function wp_clear_object_cache() {
	global $wpdb, $wp_object_cache;

	$wpdb->queries = array(); // or define( 'WP_IMPORTING', true );

	if ( ! is_object( $wp_object_cache ) ) {
		return;
	}

	$wp_object_cache->group_ops = array();
	$wp_object_cache->stats = array();
	$wp_object_cache->memcache_debug = array();
	$wp_object_cache->cache = array();

	if ( is_callable( $wp_object_cache, '__remoteset' ) ) {
		$wp_object_cache->__remoteset(); // important
	}
}

/**
 * Get a set of tables in the database.
 *
 * Interprets common command-line options into a resolved set of table names.
 *
 * @param array $args Provided table names, or tables with wildcards.
 * @param array $assoc_args Optional flags for groups of tables (e.g. --network)
 * @return array $tables
 */
function wp_get_table_names( $args, $assoc_args = array() ) {
	global $wpdb;

	// Prioritize any supplied $args as tables
	if ( ! empty( $args ) ) {
		$new_tables = array();
		$get_tables_for_glob = function( $glob ) {
			global $wpdb;
			static $all_tables = array();
			if ( ! $all_tables ) {
				$all_tables = $wpdb->get_col( 'SHOW TABLES' );
			}
			$tables = array();
			foreach ( $all_tables as $table) {
				if ( fnmatch( $glob, $table ) ) {
					$tables[] = $table;
				}
			}
			return $tables;
		};
		foreach( $args as $key => $table ) {
			if ( false !== strpos( $table, '*' ) || false !== strpos( $table, '?' ) ) {
				$expanded_tables = $get_tables_for_glob( $table );
				if ( empty( $expanded_tables ) ) {
					\WP_CLI::error( "Couldn't find any tables matching: {$table}" );
				}
				$new_tables = array_merge( $new_tables, $expanded_tables );
			} else {
				$new_tables[] = $table;
			}
		}
		return $new_tables;
	}

	// Fall back to flag if no tables were passed
	$table_type = 'wordpress';
	if ( get_flag_value( $assoc_args, 'network' ) ) {
		$table_type = 'network';
	}
	if ( get_flag_value( $assoc_args, 'all-tables-with-prefix' ) ) {
		$table_type = 'all-tables-with-prefix';
	}
	if ( get_flag_value( $assoc_args, 'all-tables' ) ) {
		$table_type = 'all-tables';
	}

	$network = 'network' == $table_type;

	if ( 'all-tables' == $table_type ) {
		return $wpdb->get_col( 'SHOW TABLES' );
	}

	$prefix = $network ? $wpdb->base_prefix : $wpdb->prefix;
	$matching_tables = $wpdb->get_col( $wpdb->prepare( "SHOW TABLES LIKE %s", $prefix . '%' ) );

	if ( 'all-tables-with-prefix' == $table_type ) {
		return $matching_tables;
	}

	if ( $scope = get_flag_value( $assoc_args, 'scope' ) ) {
		return $wpdb->tables( $scope );
	}

	$allowed_tables = array();
	$allowed_table_types = array( 'tables', 'global_tables' );
	if ( $network ) {
		$allowed_table_types[] = 'ms_global_tables';
	}
	foreach( $allowed_table_types as $table_type ) {
		foreach( $wpdb->$table_type as $table ) {
			$allowed_tables[] = $prefix . $table;
		}
	}

	// Given our matching tables, also allow site-specific tables on the network
	foreach( $matching_tables as $key => $matched_table ) {

		if ( in_array( $matched_table, $allowed_tables ) ) {
			continue;
		}

		if ( $network ) {
			$valid_table = false;
			foreach( array_merge( $wpdb->tables, $wpdb->old_tables ) as $maybe_site_table ) {
				if ( preg_match( "#{$prefix}([\d]+)_{$maybe_site_table}#", $matched_table ) ) {
					$valid_table = true;
				}
			}
			if ( $valid_table ) {
				continue;
			}
		}

		unset( $matching_tables[ $key ] );

	}

	return array_values( $matching_tables );
}
<?php

// Utilities that do NOT depend on WordPress code.

namespace WP_CLI\Utils;

use \Composer\Semver\Comparator;
use \Composer\Semver\Semver;
use \WP_CLI\Dispatcher;
use \WP_CLI\Iterators\Transform;

function inside_phar() {
	return 0 === strpos( WP_CLI_ROOT, 'phar://' );
}

// Files that need to be read by external programs have to be extracted from the Phar archive.
function extract_from_phar( $path ) {
	if ( ! inside_phar() ) {
		return $path;
	}

	$fname = basename( $path );

	$tmp_path = get_temp_dir() . "wp-cli-$fname";

	copy( $path, $tmp_path );

	register_shutdown_function( function() use ( $tmp_path ) {
		@unlink( $tmp_path );
	} );

	return $tmp_path;
}

function load_dependencies() {
	if ( inside_phar() ) {
		require WP_CLI_ROOT . '/vendor/autoload.php';
		return;
	}

	$has_autoload = false;

	foreach ( get_vendor_paths() as $vendor_path ) {
		if ( file_exists( $vendor_path . '/autoload.php' ) ) {
			require $vendor_path . '/autoload.php';
			$has_autoload = true;
			break;
		}
	}

	if ( !$has_autoload ) {
		fputs( STDERR, "Internal error: Can't find Composer autoloader.\nTry running: composer install\n" );
		exit(3);
	}
}

function get_vendor_paths() {
	$vendor_paths = array(
		WP_CLI_ROOT . '/../../../vendor',  // part of a larger project / installed via Composer (preferred)
		WP_CLI_ROOT . '/vendor',           // top-level project / installed as Git clone
	);
	$maybe_composer_json = WP_CLI_ROOT . '/../../../composer.json';
	if ( file_exists( $maybe_composer_json ) && is_readable( $maybe_composer_json ) ) {
		$composer = json_decode( file_get_contents( $maybe_composer_json ) );
		if ( ! empty( $composer->{'vendor-dir'} ) ) {
			array_unshift( $vendor_paths, WP_CLI_ROOT . '/../../../' . $composer->{'vendor-dir'} );
		}
	}
	return $vendor_paths;
}

// Using require() directly inside a class grants access to private methods to the loaded code
function load_file( $path ) {
	require_once $path;
}

function load_command( $name ) {
	$path = WP_CLI_ROOT . "/php/commands/$name.php";

	if ( is_readable( $path ) ) {
		include_once $path;
	}
}

function load_all_commands() {
	$cmd_dir = WP_CLI_ROOT . '/php/commands';

	$iterator = new \DirectoryIterator( $cmd_dir );

	foreach ( $iterator as $filename ) {
		if ( '.php' != substr( $filename, -4 ) )
			continue;

		include_once "$cmd_dir/$filename";
	}
}

/**
 * Like array_map(), except it returns a new iterator, instead of a modified array.
 *
 * Example:
 *
 *     $arr = array('Football', 'Socker');
 *
 *     $it = iterator_map($arr, 'strtolower', function($val) {
 *       return str_replace('foo', 'bar', $val);
 *     });
 *
 *     foreach ( $it as $val ) {
 *       var_dump($val);
 *     }
 *
 * @param array|object Either a plain array or another iterator
 * @param callback The function to apply to an element
 * @return object An iterator that applies the given callback(s)
 */
function iterator_map( $it, $fn ) {
	if ( is_array( $it ) ) {
		$it = new \ArrayIterator( $it );
	}

	if ( !method_exists( $it, 'add_transform' ) ) {
		$it = new Transform( $it );
	}

	foreach ( array_slice( func_get_args(), 1 ) as $fn ) {
		$it->add_transform( $fn );
	}

	return $it;
}

/**
 * Search for file by walking up the directory tree until the first file is found or until $stop_check($dir) returns true
 * @param string|array The files (or file) to search for
 * @param string|null The directory to start searching from; defaults to CWD
 * @param callable Function which is passed the current dir each time a directory level is traversed
 * @return null|string Null if the file was not found
 */
function find_file_upward( $files, $dir = null, $stop_check = null ) {
	$files = (array) $files;
	if ( is_null( $dir ) ) {
		$dir = getcwd();
	}
	while ( @is_readable( $dir ) ) {
		// Stop walking up when the supplied callable returns true being passed the $dir
		if ( is_callable( $stop_check ) && call_user_func( $stop_check, $dir ) ) {
			return null;
		}

		foreach ( $files as $file ) {
			$path = $dir . DIRECTORY_SEPARATOR . $file;
			if ( file_exists( $path ) ) {
				return $path;
			}
		}

		$parent_dir = dirname( $dir );
		if ( empty($parent_dir) || $parent_dir === $dir ) {
			break;
		}
		$dir = $parent_dir;
	}
	return null;
}

function is_path_absolute( $path ) {
	// Windows
	if ( isset($path[1]) && ':' === $path[1] )
		return true;

	return $path[0] === '/';
}

/**
 * Composes positional arguments into a command string.
 *
 * @param array
 * @return string
 */
function args_to_str( $args ) {
	return ' ' . implode( ' ', array_map( 'escapeshellarg', $args ) );
}

/**
 * Composes associative arguments into a command string.
 *
 * @param array
 * @return string
 */
function assoc_args_to_str( $assoc_args ) {
	$str = '';

	foreach ( $assoc_args as $key => $value ) {
		if ( true === $value )
			$str .= " --$key";
		else
			$str .= " --$key=" . escapeshellarg( $value );
	}

	return $str;
}

/**
 * Given a template string and an arbitrary number of arguments,
 * returns the final command, with the parameters escaped.
 */
function esc_cmd( $cmd ) {
	if ( func_num_args() < 2 )
		trigger_error( 'esc_cmd() requires at least two arguments.', E_USER_WARNING );

	$args = func_get_args();

	$cmd = array_shift( $args );

	return vsprintf( $cmd, array_map( 'escapeshellarg', $args ) );
}

function locate_wp_config() {
	static $path;

	if ( null === $path ) {
		if ( file_exists( ABSPATH . 'wp-config.php' ) )
			$path = ABSPATH . 'wp-config.php';
		elseif ( file_exists( ABSPATH . '../wp-config.php' ) && ! file_exists( ABSPATH . '/../wp-settings.php' ) )
			$path = ABSPATH . '../wp-config.php';
		else
			$path = false;

		if ( $path )
			$path = realpath( $path );
	}

	return $path;
}

function wp_version_compare( $since, $operator ) {
	return version_compare( str_replace( array( '-src' ), '', $GLOBALS['wp_version'] ), $since, $operator );
}

/**
 * Output items in a table, JSON, CSV, ids, or the total count
 *
 * @param string        $format     Format to use: 'table', 'json', 'csv', 'ids', 'count'
 * @param array         $items      Data to output
 * @param array|string  $fields     Named fields for each item of data. Can be array or comma-separated list
 */
function format_items( $format, $items, $fields ) {
	$assoc_args = compact( 'format', 'fields' );
	$formatter = new \WP_CLI\Formatter( $assoc_args );
	$formatter->display_items( $items );
}

/**
 * Write data as CSV to a given file.
 *
 * @param resource $fd         File descriptor
 * @param array    $rows       Array of rows to output
 * @param array    $headers    List of CSV columns (optional)
 */
function write_csv( $fd, $rows, $headers = array() ) {
	if ( ! empty( $headers ) ) {
		fputcsv( $fd, $headers );
	}

	foreach ( $rows as $row ) {
		if ( ! empty( $headers ) ) {
			$row = pick_fields( $row, $headers );
		}

		fputcsv( $fd, array_values( $row ) );
	}
}

/**
 * Pick fields from an associative array or object.
 *
 * @param array|object Associative array or object to pick fields from
 * @param array List of fields to pick
 * @return array
 */
function pick_fields( $item, $fields ) {
	$item = (object) $item;

	$values = array();

	foreach ( $fields as $field ) {
		$values[ $field ] = isset( $item->$field ) ? $item->$field : null;
	}

	return $values;
}

/**
 * Launch system's $EDITOR to edit text
 *
 * @param  str  $content  Text to edit (eg post content)
 * @return str|bool       Edited text, if file is saved from editor
 *                        False, if no change to file
 */
function launch_editor_for_input( $input, $title = 'WP-CLI' ) {

	$tmpfile = wp_tempnam( $title );

	if ( !$tmpfile )
		\WP_CLI::error( 'Error creating temporary file.' );

	$output = '';
	file_put_contents( $tmpfile, $input );

	$editor = getenv( 'EDITOR' );
	if ( !$editor ) {
		if ( isset( $_SERVER['OS'] ) && false !== strpos( $_SERVER['OS'], 'indows' ) )
			$editor = 'notepad';
		else
			$editor = 'vi';
	}

	$descriptorspec = array( STDIN, STDOUT, STDERR );
	$process = proc_open( "$editor " . escapeshellarg( $tmpfile ), $descriptorspec, $pipes );
	$r = proc_close( $process );
	if ( $r ) {
		exit( $r );
	}

	$output = file_get_contents( $tmpfile );

	unlink( $tmpfile );

	if ( $output === $input )
		return false;

	return $output;
}

/**
 * @param string MySQL host string, as defined in wp-config.php
 * @return array
 */
function mysql_host_to_cli_args( $raw_host ) {
	$assoc_args = array();

	$host_parts = explode( ':',  $raw_host );
	if ( count( $host_parts ) == 2 ) {
		list( $assoc_args['host'], $extra ) = $host_parts;
		$extra = trim( $extra );
		if ( is_numeric( $extra ) ) {
			$assoc_args['port'] = intval( $extra );
			$assoc_args['protocol'] = 'tcp';
		} else if ( $extra !== '' ) {
			$assoc_args['socket'] = $extra;
		}
	} else {
		$assoc_args['host'] = $raw_host;
	}

	return $assoc_args;
}

function run_mysql_command( $cmd, $assoc_args, $descriptors = null ) {
	if ( !$descriptors )
		$descriptors = array( STDIN, STDOUT, STDERR );

	if ( isset( $assoc_args['host'] ) ) {
		$assoc_args = array_merge( $assoc_args, mysql_host_to_cli_args( $assoc_args['host'] ) );
	}

	$pass = $assoc_args['pass'];
	unset( $assoc_args['pass'] );

	$old_pass = getenv( 'MYSQL_PWD' );
	putenv( 'MYSQL_PWD=' . $pass );

	$final_cmd = $cmd . assoc_args_to_str( $assoc_args );

	$proc = proc_open( $final_cmd, $descriptors, $pipes );
	if ( !$proc )
		exit(1);

	$r = proc_close( $proc );

	putenv( 'MYSQL_PWD=' . $old_pass );

	if ( $r ) exit( $r );
}

/**
 * Render PHP or other types of files using Mustache templates.
 *
 * IMPORTANT: Automatic HTML escaping is disabled!
 */
function mustache_render( $template_name, $data ) {
	if ( ! file_exists( $template_name ) )
		$template_name = WP_CLI_ROOT . "/templates/$template_name";

	$template = file_get_contents( $template_name );

	$m = new \Mustache_Engine( array(
		'escape' => function ( $val ) { return $val; }
	) );

	return $m->render( $template, $data );
}

function make_progress_bar( $message, $count ) {
	if ( \cli\Shell::isPiped() )
		return new \WP_CLI\NoOp;

	return new \cli\progress\Bar( $message, $count );
}

function parse_url( $url ) {
	$url_parts = \parse_url( $url );

	if ( !isset( $url_parts['scheme'] ) ) {
		$url_parts = parse_url( 'http://' . $url );
	}

	return $url_parts;
}

/**
 * Check if we're running in a Windows environment (cmd.exe).
 */
function is_windows() {
	return strtoupper(substr(PHP_OS, 0, 3)) === 'WIN';
}

/**
 * Replace magic constants in some PHP source code.
 *
 * @param string $source The PHP code to manipulate.
 * @param string $path The path to use instead of the magic constants
 */
function replace_path_consts( $source, $path ) {
	$replacements = array(
		'__FILE__' => "'$path'",
		'__DIR__'  => "'" . dirname( $path ) . "'"
	);

	$old = array_keys( $replacements );
	$new = array_values( $replacements );

	return str_replace( $old, $new, $source );
}

/**
 * Make a HTTP request to a remote URL
 *
 * @param string $method
 * @param string $url
 * @param array $headers
 * @param array $options
 * @return object
 */
function http_request( $method, $url, $data = null, $headers = array(), $options = array() ) {

	$cert_path = '/rmccue/requests/library/Requests/Transport/cacert.pem';
	if ( inside_phar() ) {
		// cURL can't read Phar archives
		$options['verify'] = extract_from_phar(
		WP_CLI_ROOT . '/vendor' . $cert_path );
	} else {
		foreach( get_vendor_paths() as $vendor_path ) {
			if ( file_exists( $vendor_path . $cert_path ) ) {
				$options['verify'] = $vendor_path . $cert_path;
				break;
			}
		}
		if ( empty( $options['verify'] ) ){
			WP_CLI::error_log( "Cannot find SSL certificate." );
		}
	}

	try {
		$request = \Requests::request( $url, $headers, $data, $method, $options );
		return $request;
	} catch( \Requests_Exception $ex ) {
		// Handle SSL certificate issues gracefully
		\WP_CLI::warning( $ex->getMessage() );
		$options['verify'] = false;
		try {
			return \Requests::request( $url, $headers, $data, $method, $options );
		} catch( \Requests_Exception $ex ) {
			\WP_CLI::error( $ex->getMessage() );
		}
	}
}

/**
 * Increments a version string using the "x.y.z-pre" format
 *
 * Can increment the major, minor or patch number by one
 * If $new_version == "same" the version string is not changed
 * If $new_version is not a known keyword, it will be used as the new version string directly
 *
 * @param  string $current_version
 * @param  string $new_version
 * @return string
 */
function increment_version( $current_version, $new_version ) {
	// split version assuming the format is x.y.z-pre
	$current_version    = explode( '-', $current_version, 2 );
	$current_version[0] = explode( '.', $current_version[0] );

	switch ( $new_version ) {
		case 'same':
			// do nothing
		break;

		case 'patch':
			$current_version[0][2]++;

			$current_version = array( $current_version[0] ); // drop possible pre-release info
		break;

		case 'minor':
			$current_version[0][1]++;
			$current_version[0][2] = 0;

			$current_version = array( $current_version[0] ); // drop possible pre-release info
		break;

		case 'major':
			$current_version[0][0]++;
			$current_version[0][1] = 0;
			$current_version[0][2] = 0;

			$current_version = array( $current_version[0] ); // drop possible pre-release info
		break;

		default: // not a keyword
			$current_version = array( array( $new_version ) );
		break;
	}

	// reconstruct version string
	$current_version[0] = implode( '.', $current_version[0] );
	$current_version    = implode( '-', $current_version );

	return $current_version;
}

/**
 * Compare two version strings to get the named semantic version
 *
 * @param string $new_version
 * @param string $original_version
 * @return string $name 'major', 'minor', 'patch'
 */
function get_named_sem_ver( $new_version, $original_version ) {

	if ( ! Comparator::greaterThan( $new_version, $original_version ) ) {
		return '';
	}

	$parts = explode( '-', $original_version );
	list( $major, $minor, $patch ) = explode( '.', $parts[0] );

	if ( Semver::satisfies( $new_version, "{$major}.{$minor}.x" ) ) {
		return 'patch';
	} else if ( Semver::satisfies( $new_version, "{$major}.x.x" ) ) {
		return 'minor';
	} else {
		return 'major';
	}
}

/**
 * Return the flag value or, if it's not set, the $default value.
 *
 * @param array  $args    Arguments array.
 * @param string $flag    Flag to get the value.
 * @param mixed  $default Default value for the flag. Default: NULL
 * @return mixed
 */
function get_flag_value( $args, $flag, $default = null ) {
	return isset( $args[ $flag ] ) ? $args[ $flag ] : $default;
}

/**
 * Get the temp directory, and let the user know if it isn't writable.
 *
 * @return string
 */
function get_temp_dir() {
	static $temp = '';

	$trailingslashit = function( $path ) {
		return rtrim( $path ) . '/';
	};

	if ( $temp )
		return $trailingslashit( $temp );

	if ( function_exists( 'sys_get_temp_dir' ) ) {
		$temp = sys_get_temp_dir();
	} else if ( ini_get( 'upload_tmp_dir' ) ) {
		$temp = ini_get( 'upload_tmp_dir' );
	} else {
		$temp = '/tmp/';
	}

	if ( ! @is_writable( $temp ) ) {
		WP_CLI::warning( "Temp directory isn't writable: {$temp}" );
	}

	return $trailingslashit( $temp );
}
<?php

// Can be used by plugins/themes to check if WP-CLI is running or not
define( 'WP_CLI', true );
define( 'WP_CLI_VERSION', trim( file_get_contents( WP_CLI_ROOT . '/VERSION' ) ) );
define( 'WP_CLI_START_MICROTIME', microtime( true ) );

// Set common headers, to prevent warnings from plugins
$_SERVER['SERVER_PROTOCOL'] = 'HTTP/1.0';
$_SERVER['HTTP_USER_AGENT'] = '';
$_SERVER['REQUEST_METHOD'] = 'GET';
$_SERVER['REMOTE_ADDR'] = '127.0.0.1';

include WP_CLI_ROOT . '/php/utils.php';
include WP_CLI_ROOT . '/php/dispatcher.php';
include WP_CLI_ROOT . '/php/class-wp-cli.php';
include WP_CLI_ROOT . '/php/class-wp-cli-command.php';

\WP_CLI\Utils\load_dependencies();

WP_CLI::get_runner()->start();
<?php
/**
 * A modified version of wp-settings.php, tailored for CLI use.
 */

use \WP_CLI\Utils;

/**
 * Stores the location of the WordPress directory of functions, classes, and core content.
 *
 * @since 1.0.0
 */
define( 'WPINC', 'wp-includes' );

// Include files required for initialization.
require( ABSPATH . WPINC . '/load.php' );
require( ABSPATH . WPINC . '/default-constants.php' );

/*
 * These can't be directly globalized in version.php. When updating,
 * we're including version.php from another install and don't want
 * these values to be overridden if already set.
 */
global $wp_version, $wp_db_version, $tinymce_version, $required_php_version, $required_mysql_version, $wp_local_package;
require( ABSPATH . WPINC . '/version.php' );

/**
 * If not already configured, `$blog_id` will default to 1 in a single site
 * configuration. In multisite, it will be overridden by default in ms-settings.php.
 *
 * @global int $blog_id
 * @since 2.0.0
 */
global $blog_id;

// Set initial default constants including WP_MEMORY_LIMIT, WP_MAX_MEMORY_LIMIT, WP_DEBUG, WP_CONTENT_DIR and WP_CACHE.
wp_initial_constants();

// Check for the required PHP version and for the MySQL extension or a database drop-in.
wp_check_php_mysql_versions();

// Disable magic quotes at runtime. Magic quotes are added using wpdb later in wp-settings.php.
@ini_set( 'magic_quotes_runtime', 0 );
@ini_set( 'magic_quotes_sybase',  0 );

// WordPress calculates offsets from UTC.
date_default_timezone_set( 'UTC' );

// Turn register_globals off.
wp_unregister_GLOBALS();

// Standardize $_SERVER variables across setups.
wp_fix_server_vars();

// Start loading timer.
timer_start();

// Check if we're in WP_DEBUG mode.
Utils\wp_debug_mode();

// Define WP_LANG_DIR if not set.
wp_set_lang_dir();

// Load early WordPress files.
require( ABSPATH . WPINC . '/compat.php' );
require( ABSPATH . WPINC . '/functions.php' );
require( ABSPATH . WPINC . '/class-wp.php' );
require( ABSPATH . WPINC . '/class-wp-error.php' );
require( ABSPATH . WPINC . '/plugin.php' );
require( ABSPATH . WPINC . '/pomo/mo.php' );

// WP_CLI: Early hooks
Utils\replace_wp_die_handler();
add_filter( 'wp_redirect', 'WP_CLI\\Utils\\wp_redirect_handler' );
if ( defined( 'WP_INSTALLING' ) && is_multisite() ) {
	$values = array(
		'ms_files_rewriting' => null,
		'active_sitewide_plugins' => array(),
		'_site_transient_update_core' => null,
		'_site_transient_update_themes' => null,
		'_site_transient_update_plugins' => null,
		'WPLANG' => '',
	);
	foreach ( $values as $key => $value ) {
		add_filter( "pre_site_option_$key", function () use ( $values, $key ) {
			return $values[ $key ];
		} );
	}
	unset( $values, $key, $value );
}

// In a multisite install, die if unable to find site given in --url parameter
if ( is_multisite() ) {
	add_action( 'ms_site_not_found', function( $current_site, $domain, $path ) {
		WP_CLI::error( "Site {$domain}{$path} not found." );
	}, 10, 3 );
}

// Include the wpdb class and, if present, a db.php database drop-in.
require_wp_db();

// WP-CLI: Handle db error ourselves, instead of waiting for dead_db()
global $wpdb;
if ( !empty( $wpdb->error ) )
	wp_die( $wpdb->error );

// Set the database table prefix and the format specifiers for database table columns.
// @codingStandardsIgnoreStart
$GLOBALS['table_prefix'] = $table_prefix;
// @codingStandardsIgnoreEnd
wp_set_wpdb_vars();

// Start the WordPress object cache, or an external object cache if the drop-in is present.
wp_start_object_cache();

// WP-CLI: the APC cache is not available on the command-line, so bail, to prevent cache poisoning
if ( $GLOBALS['_wp_using_ext_object_cache'] && class_exists( 'APC_Object_Cache' ) ) {
	WP_CLI::warning( 'Running WP-CLI while the APC object cache is activated can result in cache corruption.' );
	WP_CLI::confirm( 'Given the consequences, do you wish to continue?' );
}

// Attach the default filters.
require( ABSPATH . WPINC . '/default-filters.php' );

// Initialize multisite if enabled.
if ( is_multisite() ) {
	require( ABSPATH . WPINC . '/ms-blogs.php' );
	require( ABSPATH . WPINC . '/ms-settings.php' );
} elseif ( ! defined( 'MULTISITE' ) ) {
	define( 'MULTISITE', false );
}

register_shutdown_function( 'shutdown_action_hook' );

// Stop most of WordPress from being loaded if we just want the basics.
if ( SHORTINIT )
	return false;

// Load the L10n library.
require_once( ABSPATH . WPINC . '/l10n.php' );

// Run the installer if WordPress is not installed.
Utils\wp_not_installed();

// Load most of WordPress.
require( ABSPATH . WPINC . '/class-wp-walker.php' );
require( ABSPATH . WPINC . '/class-wp-ajax-response.php' );
require( ABSPATH . WPINC . '/formatting.php' );
require( ABSPATH . WPINC . '/capabilities.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-roles.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-role.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-user.php' );
require( ABSPATH . WPINC . '/query.php' );
Utils\maybe_require( '3.7-alpha-25139', ABSPATH . WPINC . '/date.php' );
require( ABSPATH . WPINC . '/theme.php' );
require( ABSPATH . WPINC . '/class-wp-theme.php' );
require( ABSPATH . WPINC . '/template.php' );
require( ABSPATH . WPINC . '/user.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-user-query.php' );
Utils\maybe_require( '4.0', ABSPATH . WPINC . '/session.php' );
require( ABSPATH . WPINC . '/meta.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-meta-query.php' );
require( ABSPATH . WPINC . '/general-template.php' );
require( ABSPATH . WPINC . '/link-template.php' );
require( ABSPATH . WPINC . '/author-template.php' );
require( ABSPATH . WPINC . '/post.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-walker-page.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-walker-page-dropdown.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-post.php' );
require( ABSPATH . WPINC . '/post-template.php' );
Utils\maybe_require( '3.6-alpha-23451', ABSPATH . WPINC . '/revision.php' );
Utils\maybe_require( '3.6-alpha-23451', ABSPATH . WPINC . '/post-formats.php' );
require( ABSPATH . WPINC . '/post-thumbnail-template.php' );
require( ABSPATH . WPINC . '/category.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-walker-category.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-walker-category-dropdown.php' );
require( ABSPATH . WPINC . '/category-template.php' );
require( ABSPATH . WPINC . '/comment.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-comment.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-comment-query.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-walker-comment.php' );
require( ABSPATH . WPINC . '/comment-template.php' );
require( ABSPATH . WPINC . '/rewrite.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-rewrite.php' );
require( ABSPATH . WPINC . '/feed.php' );
require( ABSPATH . WPINC . '/bookmark.php' );
require( ABSPATH . WPINC . '/bookmark-template.php' );
require( ABSPATH . WPINC . '/kses.php' );
require( ABSPATH . WPINC . '/cron.php' );
require( ABSPATH . WPINC . '/deprecated.php' );
require( ABSPATH . WPINC . '/script-loader.php' );
require( ABSPATH . WPINC . '/taxonomy.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-term.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-tax-query.php' );
require( ABSPATH . WPINC . '/update.php' );
require( ABSPATH . WPINC . '/canonical.php' );
require( ABSPATH . WPINC . '/shortcodes.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/embed.php' );
require( ABSPATH . WPINC . '/class-wp-embed.php' );
require( ABSPATH . WPINC . '/media.php' );
Utils\maybe_require( '4.4-alpha-34903', ABSPATH . WPINC . '/class-wp-oembed-controller.php' );
require( ABSPATH . WPINC . '/http.php' );
require_once( ABSPATH . WPINC . '/class-http.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-http-streams.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-http-curl.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-http-proxy.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-http-cookie.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-http-encoding.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-http-response.php' );
require( ABSPATH . WPINC . '/widgets.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-widget.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/class-wp-widget-factory.php' );
require( ABSPATH . WPINC . '/nav-menu.php' );
require( ABSPATH . WPINC . '/nav-menu-template.php' );
require( ABSPATH . WPINC . '/admin-bar.php' );
Utils\maybe_require( '4.4-alpha-34928', ABSPATH . WPINC . '/rest-api.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/rest-api/class-wp-rest-server.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/rest-api/class-wp-rest-response.php' );
Utils\maybe_require( '4.4-beta4-35719', ABSPATH . WPINC . '/rest-api/class-wp-rest-request.php' );

// Load multisite-specific files.
if ( is_multisite() ) {
	require( ABSPATH . WPINC . '/ms-functions.php' );
	require( ABSPATH . WPINC . '/ms-default-filters.php' );
	require( ABSPATH . WPINC . '/ms-deprecated.php' );
}

// Define constants that rely on the API to obtain the default value.
// Define must-use plugin directory constants, which may be overridden in the sunrise.php drop-in.
wp_plugin_directory_constants();

$symlinked_plugins_supported = function_exists( 'wp_register_plugin_realpath' );
if ( $symlinked_plugins_supported ) {
	$GLOBALS['wp_plugin_paths'] = array();
}

// Load must-use plugins.
foreach ( wp_get_mu_plugins() as $mu_plugin ) {
	include_once( $mu_plugin );
}
unset( $mu_plugin );

// Load network activated plugins.
if ( is_multisite() ) {
	foreach( wp_get_active_network_plugins() as $network_plugin ) {
		if ( !Utils\is_plugin_skipped( $network_plugin ) ) {
			if ( $symlinked_plugins_supported )
				wp_register_plugin_realpath( $network_plugin );
			include_once( $network_plugin );
		}
	}
	unset( $network_plugin );
}

do_action( 'muplugins_loaded' );

if ( is_multisite() )
	ms_cookie_constants(  );

// Define constants after multisite is loaded. Cookie-related constants may be overridden in ms_network_cookies().
wp_cookie_constants( );

// Define and enforce our SSL constants
wp_ssl_constants( );

// Don't create common globals, but we still need wp_is_mobile() and $pagenow
// require( ABSPATH . WPINC . '/vars.php' );
$GLOBALS['pagenow'] = null;
function wp_is_mobile() {
	return false;
}

// Make taxonomies and posts available to plugins and themes.
// @plugin authors: warning: these get registered again on the init hook.
create_initial_taxonomies();
create_initial_post_types();

// Register the default theme directory root
register_theme_directory( get_theme_root() );

// Load active plugins.
foreach ( wp_get_active_and_valid_plugins() as $plugin ) {
	if ( !Utils\is_plugin_skipped( $plugin ) ) {
		if ( $symlinked_plugins_supported )
			wp_register_plugin_realpath( $plugin );
		include_once( $plugin );
	}
}
unset( $plugin, $symlinked_plugins_supported );

// Load pluggable functions.
require( ABSPATH . WPINC . '/pluggable.php' );
require( ABSPATH . WPINC . '/pluggable-deprecated.php' );

// Set internal encoding.
wp_set_internal_encoding();

// Run wp_cache_postload() if object cache is enabled and the function exists.
if ( WP_CACHE && function_exists( 'wp_cache_postload' ) )
	wp_cache_postload();

do_action( 'plugins_loaded' );

// Define constants which affect functionality if not already defined.
wp_functionality_constants( );

// Add magic quotes and set up $_REQUEST ( $_GET + $_POST )
wp_magic_quotes();

do_action( 'sanitize_comment_cookies' );

/**
 * WordPress Query object
 * @global object $wp_the_query
 * @since 2.0.0
 */
$GLOBALS['wp_the_query'] = new WP_Query();

/**
 * Holds the reference to @see $wp_the_query
 * Use this global for WordPress queries
 * @global object $wp_query
 * @since 1.5.0
 */
$GLOBALS['wp_query'] = $GLOBALS['wp_the_query'];

/**
 * Holds the WordPress Rewrite object for creating pretty URLs
 * @global object $wp_rewrite
 * @since 1.5.0
 */
$GLOBALS['wp_rewrite'] = new WP_Rewrite();

/**
 * WordPress Object
 * @global object $wp
 * @since 2.0.0
 */
$GLOBALS['wp'] = new WP();

/**
 * WordPress Widget Factory Object
 * @global object $wp_widget_factory
 * @since 2.8.0
 */
$GLOBALS['wp_widget_factory'] = new WP_Widget_Factory();

/**
 * WordPress User Roles
 * @global object $wp_roles
 * @since 2.0.0
 */
$GLOBALS['wp_roles'] = new WP_Roles();

do_action( 'setup_theme' );

// Define the template related constants.
wp_templating_constants(  );

// Load the default text localization domain.
load_default_textdomain();

$locale = get_locale();
$locale_file = WP_LANG_DIR . "/$locale.php";
if ( ( 0 === validate_file( $locale ) ) && is_readable( $locale_file ) )
	require( $locale_file );
unset( $locale_file );

// Pull in locale data after loading text domain.
require_once( ABSPATH . WPINC . '/locale.php' );

/**
 * WordPress Locale object for loading locale domain date and various strings.
 * @global object $wp_locale
 * @since 2.1.0
 */
$GLOBALS['wp_locale'] = new WP_Locale();

// Load the functions for the active theme, for both parent and child theme if applicable.
global $pagenow;
if ( ! defined( 'WP_INSTALLING' ) || 'wp-activate.php' === $pagenow ) {
	if ( !Utils\is_theme_skipped( TEMPLATEPATH ) ) {
		if ( TEMPLATEPATH !== STYLESHEETPATH && file_exists( STYLESHEETPATH . '/functions.php' ) )
			include( STYLESHEETPATH . '/functions.php' );
		if ( file_exists( TEMPLATEPATH . '/functions.php' ) )
			include( TEMPLATEPATH . '/functions.php' );
	}
}

do_action( 'after_setup_theme' );

// Set up current user.
$GLOBALS['wp']->init();

/**
 * Most of WP is loaded at this stage, and the user is authenticated. WP continues
 * to load on the init hook that follows (e.g. widgets), and many plugins instantiate
 * themselves on it for all sorts of reasons (e.g. they need a user, a taxonomy, etc.).
 *
 * If you wish to plug an action once WP is loaded, use the wp_loaded hook below.
 */
do_action( 'init' );

// Check site status
# if ( is_multisite() ) {  // WP-CLI
if ( is_multisite() && !defined('WP_INSTALLING') ) {
	if ( true !== ( $file = ms_site_check() ) ) {
		require( $file );
		die();
	}
	unset($file);
}

/**
 * This hook is fired once WP, all plugins, and the theme are fully loaded and instantiated.
 *
 * AJAX requests should use wp-admin/admin-ajax.php. admin-ajax.php can handle requests for
 * users not logged in.
 *
 * @link http://codex.wordpress.org/AJAX_in_Plugins
 *
 * @since 3.0.0
 */
do_action('wp_loaded');
<?php

use Behat\Behat\Context\ClosuredContextInterface,
    Behat\Behat\Context\TranslatedContextInterface,
    Behat\Behat\Context\BehatContext,
    Behat\Behat\Event\SuiteEvent;

use \WP_CLI\Process;
use \WP_CLI\Utils;

// Inside a community package
if ( file_exists( __DIR__ . '/utils.php' ) ) {
	require_once __DIR__ . '/utils.php';
	require_once __DIR__ . '/Process.php';
// Inside WP-CLI
} else {
	require_once __DIR__ . '/../../php/utils.php';
	require_once __DIR__ . '/../../php/WP_CLI/Process.php';
}

/**
 * Features context.
 */
class FeatureContext extends BehatContext implements ClosuredContextInterface {

	private static $cache_dir, $suite_cache_dir;

	private static $db_settings = array(
		'dbname' => 'wp_cli_test',
		'dbuser' => 'wp_cli_test',
		'dbpass' => 'password1',
		'dbhost' => '127.0.0.1',
	);

	private $running_procs = array();

	public $variables = array();

	/**
	 * Get the environment variables required for launched `wp` processes
	 * @beforeSuite
	 */
	private static function get_process_env_variables() {
		// Ensure we're using the expected `wp` binary
		$bin_dir = getenv( 'WP_CLI_BIN_DIR' ) ?: realpath( __DIR__ . "/../../bin" );
		$env = array(
			'PATH' =>  $bin_dir . ':' . getenv( 'PATH' ),
			'BEHAT_RUN' => 1
		);
		if ( $config_path = getenv( 'WP_CLI_CONFIG_PATH' ) ) {
			$env['WP_CLI_CONFIG_PATH'] = $config_path;
		}
		return $env;
	}

	// We cache the results of `wp core download` to improve test performance
	// Ideally, we'd cache at the HTTP layer for more reliable tests
	private static function cache_wp_files() {
		self::$cache_dir = sys_get_temp_dir() . '/wp-cli-test core-download-cache';

		if ( is_readable( self::$cache_dir . '/wp-config-sample.php' ) )
			return;

		$cmd = Utils\esc_cmd( 'wp core download --force --path=%s', self::$cache_dir );
		Process::create( $cmd, null, self::get_process_env_variables() )->run_check();
	}

	/**
	 * @BeforeSuite
	 */
	public static function prepare( SuiteEvent $event ) {
		self::cache_wp_files();
	}

	/**
	 * @AfterSuite
	 */
	public static function afterSuite( SuiteEvent $event ) {
		if ( self::$suite_cache_dir ) {
			Process::create( Utils\esc_cmd( 'rm -r %s', self::$suite_cache_dir ), null, self::get_process_env_variables() )->run();
		}
	}

	/**
	 * @BeforeScenario
	 */
	public function beforeScenario( $event ) {
		$this->variables['SRC_DIR'] = realpath( __DIR__ . '/../..' );
	}

	/**
	 * @AfterScenario
	 */
	public function afterScenario( $event ) {
		if ( isset( $this->variables['RUN_DIR'] ) ) {
			// remove altered WP install, unless there's an error
			if ( $event->getResult() < 4 ) {
				$this->proc( Utils\esc_cmd( 'rm -r %s', $this->variables['RUN_DIR'] ) )->run();
			}
		}

		foreach ( $this->running_procs as $proc ) {
			self::terminate_proc( $proc );
		}
	}

	/**
	 * Terminate a process and any of its children.
	 */
	private static function terminate_proc( $proc ) {
		$status = proc_get_status( $proc );

		$master_pid = $status['pid'];

		$output = `ps -o ppid,pid,command | grep ^$master_pid`;

		foreach ( explode( "\n", $output ) as $line ) {
			if ( preg_match( '/^(\d+)\s+(\d+)/', $line, $matches ) ) {
				$parent = $matches[1];
				$child = $matches[2];

				if ( $parent == $master_pid ) {
					if ( ! posix_kill( $child, 9 ) ) {
						throw new RuntimeException( posix_strerror( posix_get_last_error() ) );
					}
				}
			}
		}

		posix_kill( $master_pid, 9 );
	}

	public static function create_cache_dir() {
		self::$suite_cache_dir = sys_get_temp_dir() . '/' . uniqid( "wp-cli-test-suite-cache-", TRUE );
		mkdir( self::$suite_cache_dir );
		return self::$suite_cache_dir;
	}

	/**
	 * Initializes context.
	 * Every scenario gets it's own context object.
	 *
	 * @param array $parameters context parameters (set them up through behat.yml)
	 */
	public function __construct( array $parameters ) {
		$this->drop_db();
		$this->set_cache_dir();
		$this->variables['CORE_CONFIG_SETTINGS'] = Utils\assoc_args_to_str( self::$db_settings );
	}

	public function getStepDefinitionResources() {
		return glob( __DIR__ . '/../steps/*.php' );
	}

	public function getHookDefinitionResources() {
		return array();
	}

	public function replace_variables( $str ) {
		return preg_replace_callback( '/\{([A-Z_]+)\}/', array( $this, '_replace_var' ), $str );
	}

	private function _replace_var( $matches ) {
		$cmd = $matches[0];

		foreach ( array_slice( $matches, 1 ) as $key ) {
			$cmd = str_replace( '{' . $key . '}', $this->variables[ $key ], $cmd );
		}

		return $cmd;
	}

	public function create_run_dir() {
		if ( !isset( $this->variables['RUN_DIR'] ) ) {
			$this->variables['RUN_DIR'] = sys_get_temp_dir() . '/' . uniqid( "wp-cli-test-run-", TRUE );
			mkdir( $this->variables['RUN_DIR'] );
		}
	}

	public function build_phar( $version = 'same' ) {
		$this->variables['PHAR_PATH'] = $this->variables['RUN_DIR'] . '/' . uniqid( "wp-cli-build-", TRUE ) . '.phar';

		$this->proc( Utils\esc_cmd(
			'php -dphar.readonly=0 %1$s %2$s --version=%3$s && chmod +x %2$s',
			__DIR__ . '/../../utils/make-phar.php',
			$this->variables['PHAR_PATH'],
			$version
		) )->run_check();
	}

	private function set_cache_dir() {
		$path = sys_get_temp_dir() . '/wp-cli-test-cache';
		$this->proc( Utils\esc_cmd( 'mkdir -p %s', $path ) )->run_check();
		$this->variables['CACHE_DIR'] = $path;
	}

	private static function run_sql( $sql ) {
		Utils\run_mysql_command( 'mysql --no-defaults', array(
			'execute' => $sql,
			'host' => self::$db_settings['dbhost'],
			'user' => self::$db_settings['dbuser'],
			'pass' => self::$db_settings['dbpass'],
		) );
	}

	public function create_db() {
		$dbname = self::$db_settings['dbname'];
		self::run_sql( "CREATE DATABASE IF NOT EXISTS $dbname" );
	}

	public function drop_db() {
		$dbname = self::$db_settings['dbname'];
		self::run_sql( "DROP DATABASE IF EXISTS $dbname" );
	}

	public function proc( $command, $assoc_args = array(), $path = '' ) {
		if ( !empty( $assoc_args ) )
			$command .= Utils\assoc_args_to_str( $assoc_args );

		$env = self::get_process_env_variables();
		if ( isset( $this->variables['SUITE_CACHE_DIR'] ) ) {
			$env['WP_CLI_CACHE_DIR'] = $this->variables['SUITE_CACHE_DIR'];
		}

		if ( isset( $this->variables['RUN_DIR'] ) ) {
			$cwd = "{$this->variables['RUN_DIR']}/{$path}";
		} else {
			$cwd = null;
		}

		return Process::create( $command, $cwd, $env );
	}

	/**
	 * Start a background process. Will automatically be closed when the tests finish.
	 */
	public function background_proc( $cmd ) {
		$descriptors = array(
			0 => STDIN,
			1 => array( 'pipe', 'w' ),
			2 => array( 'pipe', 'w' ),
		);

		$proc = proc_open( $cmd, $descriptors, $pipes, $this->variables['RUN_DIR'], self::get_process_env_variables() );

		sleep(1);

		$status = proc_get_status( $proc );

		if ( !$status['running'] ) {
			throw new RuntimeException( stream_get_contents( $pipes[2] ) );
		} else {
			$this->running_procs[] = $proc;
		}
	}

	public function move_files( $src, $dest ) {
		rename( $this->variables['RUN_DIR'] . "/$src", $this->variables['RUN_DIR'] . "/$dest" );
	}

	public function add_line_to_wp_config( &$wp_config_code, $line ) {
		$token = "/* That's all, stop editing!";

		$wp_config_code = str_replace( $token, "$line\n\n$token", $wp_config_code );
	}

	public function download_wp( $subdir = '' ) {
		$dest_dir = $this->variables['RUN_DIR'] . "/$subdir";

		if ( $subdir ) {
			mkdir( $dest_dir );
		}

		$this->proc( Utils\esc_cmd( "cp -r %s/* %s", self::$cache_dir, $dest_dir ) )->run_check();

		// disable emailing
		mkdir( $dest_dir . '/wp-content/mu-plugins' );
		copy( __DIR__ . '/../extra/no-mail.php', $dest_dir . '/wp-content/mu-plugins/no-mail.php' );
	}

	public function create_config( $subdir = '' ) {
		$params = self::$db_settings;
		$params['dbprefix'] = $subdir ?: 'wp_';

		$params['skip-salts'] = true;
		$this->proc( 'wp core config', $params, $subdir )->run_check();
	}

	public function install_wp( $subdir = '' ) {
		$this->create_db();
		$this->create_run_dir();
		$this->download_wp( $subdir );

		$this->create_config( $subdir );

		$install_args = array(
			'url' => 'http://example.com',
			'title' => 'WP CLI Site',
			'admin_user' => 'admin',
			'admin_email' => 'admin@example.com',
			'admin_password' => 'password1'
		);

		$this->proc( 'wp core install', $install_args, $subdir )->run_check();
	}
}

<?php

// Utility functions used by Behat steps

function assertEquals( $expected, $actual ) {
	if ( $expected != $actual ) {
		throw new Exception( "Actual value: " . var_export( $actual, true ) );
	}
}

function assertNumeric( $actual ) {
	if ( !is_numeric( $actual ) ) {
		throw new Exception( "Actual value: " . var_export( $actual, true ) );
	}
}

function assertNotNumeric( $actual ) {
	if ( is_numeric( $actual ) ) {
		throw new Exception( "Actual value: " . var_export( $actual, true ) );
	}
}

function checkString( $output, $expected, $action, $message = false ) {
	switch ( $action ) {

	case 'be':
		$r = $expected === rtrim( $output, "\n" );
		break;

	case 'contain':
		$r = false !== strpos( $output, $expected );
		break;

	case 'not contain':
		$r = false === strpos( $output, $expected );
		break;

	default:
		throw new Behat\Behat\Exception\PendingException();
	}

	if ( !$r ) {
		if ( false === $message )
			$message = $output;
		throw new Exception( $message );
	}
}

function compareTables( $expected_rows, $actual_rows, $output ) {
	// the first row is the header and must be present
	if ( $expected_rows[0] != $actual_rows[0] ) {
		throw new \Exception( $output );
	}

	unset( $actual_rows[0] );
	unset( $expected_rows[0] );

	$missing_rows = array_diff( $expected_rows, $actual_rows );
	if ( !empty( $missing_rows ) ) {
		throw new \Exception( $output );
	}
}

function compareContents( $expected, $actual ) {
	if ( gettype( $expected ) != gettype( $actual ) ) {
		return false;
	}

	if ( is_object( $expected ) ) {
		foreach ( get_object_vars( $expected ) as $name => $value ) {
			if ( ! compareContents( $value, $actual->$name ) )
				return false;
		}
	} else if ( is_array( $expected ) ) {
		foreach ( $expected as $key => $value ) {
			if ( ! compareContents( $value, $actual[$key] ) )
				return false;
		}
	} else {
		return $expected === $actual;
	}

	return true;
}

/**
 * Compare two strings containing JSON to ensure that @a $actualJson contains at
 * least what the JSON string @a $expectedJson contains.
 *
 * @return whether or not @a $actualJson contains @a $expectedJson
 *     @retval true  @a $actualJson contains @a $expectedJson
 *     @retval false @a $actualJson does not contain @a $expectedJson
 *
 * @param[in] $actualJson   the JSON string to be tested
 * @param[in] $expectedJson the expected JSON string
 *
 * Examples:
 *   expected: {'a':1,'array':[1,3,5]}
 *
 *   1 )
 *   actual: {'a':1,'b':2,'c':3,'array':[1,2,3,4,5]}
 *   return: true
 *
 *   2 )
 *   actual: {'b':2,'c':3,'array':[1,2,3,4,5]}
 *   return: false
 *     element 'a' is missing from the root object
 *
 *   3 )
 *   actual: {'a':0,'b':2,'c':3,'array':[1,2,3,4,5]}
 *   return: false
 *     the value of element 'a' is not 1
 *
 *   4 )
 *   actual: {'a':1,'b':2,'c':3,'array':[1,2,4,5]}
 *   return: false
 *     the contents of 'array' does not include 3
 */
function checkThatJsonStringContainsJsonString( $actualJson, $expectedJson ) {
	$actualValue   = json_decode( $actualJson );
	$expectedValue = json_decode( $expectedJson );

	if ( !$actualValue ) {
		return false;
	}

	return compareContents( $expectedValue, $actualValue );
}

/**
 * Compare two strings to confirm $actualCSV contains $expectedCSV
 * Both strings are expected to have headers for their CSVs.
 * $actualCSV must match all data rows in $expectedCSV
 *
 * @param  string   A CSV string
 * @param  array    A nested array of values
 * @return bool     Whether $actualCSV contains $expectedCSV
 */
function checkThatCsvStringContainsValues( $actualCSV, $expectedCSV ) {
	$actualCSV = array_map( 'str_getcsv', explode( PHP_EOL, $actualCSV ) );

	if ( empty( $actualCSV ) )
		return false;

	// Each sample must have headers
	$actualHeaders = array_values( array_shift( $actualCSV ) );
	$expectedHeaders = array_values( array_shift( $expectedCSV ) );

	// Each expectedCSV must exist somewhere in actualCSV in the proper column
	$expectedResult = 0;
	foreach ( $expectedCSV as $expected_row ) {
		$expected_row = array_combine( $expectedHeaders, $expected_row );
		foreach ( $actualCSV as $actual_row ) {

			if ( count( $actualHeaders ) != count( $actual_row ) )
				continue;

			$actual_row = array_intersect_key( array_combine( $actualHeaders, $actual_row ), $expected_row );
			if ( $actual_row == $expected_row )
				$expectedResult++;
		}
	}

	return $expectedResult >= count( $expectedCSV );
}

<?php

function wp_mail() {
	// do nothing
}

<?php

use Behat\Gherkin\Node\PyStringNode,
    Behat\Gherkin\Node\TableNode,
    WP_CLI\Process;

$steps->Given( '/^an empty directory$/',
	function ( $world ) {
		$world->create_run_dir();
	}
);

$steps->Given( '/^an empty cache/',
	function ( $world ) {
		$world->variables['SUITE_CACHE_DIR'] = FeatureContext::create_cache_dir();
	}
);

$steps->Given( '/^an? ([^\s]+) file:$/',
	function ( $world, $path, PyStringNode $content ) {
		$content = (string) $content . "\n";
		$full_path = $world->variables['RUN_DIR'] . "/$path";
		Process::create( \WP_CLI\utils\esc_cmd( 'mkdir -p %s', dirname( $full_path ) ) )->run_check();
		file_put_contents( $full_path, $content );
	}
);

$steps->Given( '/^WP files$/',
	function ( $world ) {
		$world->download_wp();
	}
);

$steps->Given( '/^wp-config\.php$/',
	function ( $world ) {
		$world->create_config();
	}
);

$steps->Given( '/^a database$/',
	function ( $world ) {
		$world->create_db();
	}
);

$steps->Given( '/^a WP install$/',
	function ( $world ) {
		$world->install_wp();
	}
);

$steps->Given( "/^a WP install in '([^\s]+)'$/",
	function ( $world, $subdir ) {
		$world->install_wp( $subdir );
	}
);

$steps->Given( '/^a WP multisite (subdirectory|subdomain)?\s?install$/',
	function ( $world, $type = 'subdirectory' ) {
		$world->install_wp();
		$subdomains = ! empty( $type ) && 'subdomain' === $type ? 1 : 0;
		$world->proc( 'wp core install-network', array( 'title' => 'WP CLI Network', 'subdomains' => $subdomains ) )->run_check();
	}
);

$steps->Given( '/^these installed and active plugins:$/',
	function( $world, $stream ) {
		$plugins = implode( ' ', array_map( 'trim', explode( PHP_EOL, (string)$stream ) ) );
		$world->proc( "wp plugin install $plugins --activate" )->run_check();
	}
);

$steps->Given( '/^a custom wp-content directory$/',
	function ( $world ) {
		$wp_config_path = $world->variables['RUN_DIR'] . "/wp-config.php";

		$wp_config_code = file_get_contents( $wp_config_path );

		$world->move_files( 'wp-content', 'my-content' );
		$world->add_line_to_wp_config( $wp_config_code,
			"define( 'WP_CONTENT_DIR', dirname(__FILE__) . '/my-content' );" );

		$world->move_files( 'my-content/plugins', 'my-plugins' );
		$world->add_line_to_wp_config( $wp_config_code,
			"define( 'WP_PLUGIN_DIR', __DIR__ . '/my-plugins' );" );

		file_put_contents( $wp_config_path, $wp_config_code );
	}
);

$steps->Given( '/^download:$/',
	function ( $world, TableNode $table ) {
		foreach ( $table->getHash() as $row ) {
			$path = $world->replace_variables( $row['path'] );
			if ( file_exists( $path ) ) {
				// assume it's the same file and skip re-download
				continue;
			}

			Process::create( \WP_CLI\Utils\esc_cmd( 'curl -sSL %s > %s', $row['url'], $path ) )->run_check();
		}
	}
);

$steps->Given( '/^save (STDOUT|STDERR) ([\'].+[^\'])?as \{(\w+)\}$/',
	function ( $world, $stream, $output_filter, $key ) {

		$stream = strtolower( $stream );

		if ( $output_filter ) {
			$output_filter = '/' . trim( str_replace( '%s', '(.+[^\b])', $output_filter ), "' " ) . '/';
			if ( false !== preg_match( $output_filter, $world->result->$stream, $matches ) )
				$output = array_pop( $matches );
			else
				$output = '';
		} else {
			$output = $world->result->$stream;
		}
		$world->variables[ $key ] = trim( $output, "\n" );
	}
);

$steps->Given( '/^a new Phar(?: with version "([^"]+)")$/',
	function ( $world, $version ) {
		$world->build_phar( $version );
	}
);

$steps->Given( '/^save the (.+) file ([\'].+[^\'])?as \{(\w+)\}$/',
	function ( $world, $filepath, $output_filter, $key ) {
		$full_file = file_get_contents( $world->replace_variables( $filepath ) );

		if ( $output_filter ) {
			$output_filter = '/' . trim( str_replace( '%s', '(.+[^\b])', $output_filter ), "' " ) . '/';
			if ( false !== preg_match( $output_filter, $full_file, $matches ) )
				$output = array_pop( $matches );
			else
				$output = '';
		} else {
			$output = $full_file;
		}
		$world->variables[ $key ] = trim( $output, "\n" );
	}
);

$steps->Given('/^a misconfigured WP_CONTENT_DIR constant directory$/',
	function($world) {
		$wp_config_path = $world->variables['RUN_DIR'] . "/wp-config.php";

		$wp_config_code = file_get_contents( $wp_config_path );

		$world->add_line_to_wp_config( $wp_config_code,
			"define( 'WP_CONTENT_DIR', '' );" );

		file_put_contents( $wp_config_path, $wp_config_code );
	}
);<?php

use Behat\Gherkin\Node\PyStringNode,
    Behat\Gherkin\Node\TableNode;

$steps->Then( '/^the return code should be (\d+)$/',
	function ( $world, $return_code ) {
		if ( $return_code != $world->result->return_code ) {
			throw new RuntimeException( $world->result );
		}
	}
);

$steps->Then( '/^(STDOUT|STDERR) should (be|contain|not contain):$/',
	function ( $world, $stream, $action, PyStringNode $expected ) {

		$stream = strtolower( $stream );

		$expected = $world->replace_variables( (string) $expected );

		checkString( $world->result->$stream, $expected, $action, $world->result );
	}
);

$steps->Then( '/^(STDOUT|STDERR) should be a number$/',
	function ( $world, $stream ) {

		$stream = strtolower( $stream );

		assertNumeric( trim( $world->result->$stream, "\n" ) );
	}
);

$steps->Then( '/^(STDOUT|STDERR) should not be a number$/',
	function ( $world, $stream ) {

		$stream = strtolower( $stream );

		assertNotNumeric( trim( $world->result->$stream, "\n" ) );
	}
);

$steps->Then( '/^STDOUT should be a table containing rows:$/',
	function ( $world, TableNode $expected ) {
		$output      = $world->result->stdout;
		$actual_rows = explode( "\n", rtrim( $output, "\n" ) );

		$expected_rows = array();
		foreach ( $expected->getRows() as $row ) {
			$expected_rows[] = $world->replace_variables( implode( "\t", $row ) );
		}

		compareTables( $expected_rows, $actual_rows, $output );
	}
);

$steps->Then( '/^STDOUT should end with a table containing rows:$/',
	function ( $world, TableNode $expected ) {
		$output      = $world->result->stdout;
		$actual_rows = explode( "\n", rtrim( $output, "\n" ) );

		$expected_rows = array();
		foreach ( $expected->getRows() as $row ) {
			$expected_rows[] = $world->replace_variables( implode( "\t", $row ) );
		}

		$start = array_search( $expected_rows[0], $actual_rows );

		if ( false === $start )
			throw new \Exception( $world->result );

		compareTables( $expected_rows, array_slice( $actual_rows, $start ), $output );
	}
);

$steps->Then( '/^STDOUT should be JSON containing:$/',
	function ( $world, PyStringNode $expected ) {
		$output = $world->result->stdout;
		$expected = $world->replace_variables( (string) $expected );

		if ( !checkThatJsonStringContainsJsonString( $output, $expected ) ) {
			throw new \Exception( $world->result );
		}
});

$steps->Then( '/^STDOUT should be a JSON array containing:$/',
	function ( $world, PyStringNode $expected ) {
		$output = $world->result->stdout;
		$expected = $world->replace_variables( (string) $expected );

		$actualValues = json_decode( $output );
		$expectedValues = json_decode( $expected );

		$missing = array_diff( $expectedValues, $actualValues );
		if ( !empty( $missing ) ) {
			throw new \Exception( $world->result );
		}
});

$steps->Then( '/^STDOUT should be CSV containing:$/',
	function ( $world, TableNode $expected ) {
		$output = $world->result->stdout;

		$expected_rows = $expected->getRows();
		foreach ( $expected as &$row ) {
			foreach ( $row as &$value ) {
				$value = $world->replace_variables( $value );
			}
		}

		if ( ! checkThatCsvStringContainsValues( $output, $expected_rows ) )
			throw new \Exception( $world->result );
	}
);

$steps->Then( '/^(STDOUT|STDERR) should be empty$/',
	function ( $world, $stream ) {

		$stream = strtolower( $stream );

		if ( !empty( $world->result->$stream ) ) {
			throw new \Exception( $world->result );
		}
	}
);

$steps->Then( '/^(STDOUT|STDERR) should not be empty$/',
	function ( $world, $stream ) {

		$stream = strtolower( $stream );

		if ( '' === rtrim( $world->result->$stream, "\n" ) ) {
			throw new Exception( $world->result );
		}
	}
);

$steps->Then( '/^the (.+) (file|directory) should (exist|not exist|be:|contain:|not contain:)$/',
	function ( $world, $path, $type, $action, $expected = null ) {
		$path = $world->replace_variables( $path );

		// If it's a relative path, make it relative to the current test dir
		if ( '/' !== $path[0] )
			$path = $world->variables['RUN_DIR'] . "/$path";

		if ( 'file' == $type ) {
			$test = 'file_exists';
		} else if ( 'directory' == $type ) {
			$test = 'is_dir';
		}

		switch ( $action ) {
		case 'exist':
			if ( ! $test( $path ) ) {
				throw new Exception( $world->result );
			}
			break;
		case 'not exist':
			if ( $test( $path ) ) {
				throw new Exception( $world->result );
			}
			break;
		default:
			if ( ! $test( $path ) ) {
				throw new Exception( "$path doesn't exist." );
			}
			$action = substr( $action, 0, -1 );
			$expected = $world->replace_variables( (string) $expected );
			if ( 'file' == $type ) {
				$contents = file_get_contents( $path );
			} else if ( 'directory' == $type ) {
				$files = glob( rtrim( $path, '/' ) . '/*' );
				foreach( $files as &$file ) {
					$file = str_replace( $path . '/', '', $file );
				}
				$contents = implode( PHP_EOL, $files );
			}
			checkString( $contents, $expected, $action );
		}
	}
);

<?php

use Behat\Gherkin\Node\PyStringNode,
    Behat\Gherkin\Node\TableNode,
    WP_CLI\Process;

function invoke_proc( $proc, $mode ) {
	$map = array(
		'run' => 'run_check',
		'try' => 'run'
	);
	$method = $map[ $mode ];

	return $proc->$method();
}

$steps->When( '/^I launch in the background `([^`]+)`$/',
	function ( $world, $cmd ) {
		$world->background_proc( $cmd );
	}
);

$steps->When( '/^I (run|try) `([^`]+)`$/',
	function ( $world, $mode, $cmd ) {
		$cmd = $world->replace_variables( $cmd );
		$world->result = invoke_proc( $world->proc( $cmd ), $mode );
	}
);

$steps->When( "/^I (run|try) `([^`]+)` from '([^\s]+)'$/",
	function ( $world, $mode, $cmd, $subdir ) {
		$cmd = $world->replace_variables( $cmd );
		$world->result = invoke_proc( $world->proc( $cmd, array(), $subdir ), $mode );
	}
);

$steps->When( '/^I (run|try) the previous command again$/',
	function ( $world, $mode ) {
		if ( !isset( $world->result ) )
			throw new \Exception( 'No previous command.' );

		$proc = Process::create( $world->result->command, $world->result->cwd, $world->result->env );
		$world->result = invoke_proc( $proc, $mode );
	}
);

<?php
/**
 * An example application using php-cli-tools and Buzz
 */

require_once __DIR__ . '/vendor/autoload.php';

define('BUZZ_PATH', realpath('../Buzz'));
define('SCRIPT_NAME', array_shift($argv));

require_once BUZZ_PATH . '/lib/Buzz/ClassLoader.php';
Buzz\ClassLoader::register();

class HttpConsole {
    protected $_host;
    protected $_prompt;

    public function __construct($host) {
        $this->_host = 'http://' . $host;
        $this->_prompt = '%K' . $this->_host . '%n/%K>%n ';
    }

    public function handleRequest($type, $path) {
        $request = new Buzz\Message\Request($type, $path, $this->_host);
        $response = new Buzz\Message\Response;

        $client = new Buzz\Client\FileGetContents();
        $client->send($request, $response);

        // Display headers
        foreach ($response->getHeaders() as $i => $header) {
            if ($i == 0) {
                \cli\line('%G{:header}%n', compact('header'));
                continue;
            }

            list($key, $value) = explode(': ', $header, 2);
            \cli\line('%W{:key}%n: {:value}', compact('key', 'value'));
        }
        \cli\line("\n");
        print $response->getContent() . "\n";

        switch ($type) {
        }
    }

    public function run() {
        while (true) {
            $cmd = \cli\prompt($this->_prompt, false, null);

            if (preg_match('/^(HEAD|GET|POST|PUT|DELETE) (\S+)$/', $cmd, $matches)) {
                $this->handleRequest($matches[1], $matches[2]);
                continue;
            }

            if ($cmd == '\q') {
                break;
            }
        }
    }
}

try {
    $console = new HttpConsole(array_shift($argv) ?: '127.0.0.1:80');
    $console->run();
} catch (\Exception $e) {
    \cli\err("\n\n%R" . $e->getMessage() . "%n\n");
}

?>
<?php
/**
 * PHP Command Line Tools
 *
 * This source file is subject to the MIT license that is bundled
 * with this package in the file LICENSE.
 *
 * @author    James Logsdon <dwarf@girsbrain.org>
 * @copyright 2010 James Logsdom (http://girsbrain.org)
 * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
 */

namespace cli;

use cli\arguments\Argument;
use cli\arguments\HelpScreen;
use cli\arguments\InvalidArguments;
use cli\arguments\Lexer;

/**
 * Parses command line arguments.
 */
class Arguments implements \ArrayAccess {
	protected $_flags = array();
	protected $_options = array();
	protected $_strict = false;
	protected $_input = array();
	protected $_invalid = array();
	protected $_parsed;
	protected $_lexer;

	/**
	 * Initializes the argument parser. If you wish to change the default behaviour
	 * you may pass an array of options as the first argument. Valid options are
	 * `'help'` and `'strict'`, each a boolean.
	 *
	 * `'help'` is `true` by default, `'strict'` is false by default.
	 *
	 * @param  array  $options  An array of options for this parser.
	 */
	public function __construct($options = array()) {
		$options += array(
			'strict' => false,
			'input'  => array_slice($_SERVER['argv'], 1)
		);

		$this->_input = $options['input'];
		$this->setStrict($options['strict']);

		if (isset($options['flags'])) {
			$this->addFlags($options['flags']);
		}
		if (isset($options['options'])) {
			$this->addOptions($options['options']);
		}
	}

	/**
	 * Get the list of arguments found by the defined definitions.
	 *
	 * @return array
	 */
	public function getArguments() {
		if (!isset($this->_parsed)) {
			$this->parse();
		}
		return $this->_parsed;
	}

	public function getHelpScreen() {
		return new HelpScreen($this);
	}

	/**
	 * Encodes the parsed arguments as JSON.
	 *
	 * @return string
	 */
	public function asJSON() {
		return json_encode($this->_parsed);
	}

	/**
	 * Returns true if a given argument was parsed.
	 *
	 * @param mixed  $offset  An Argument object or the name of the argument.
	 * @return bool
	 */
	public function offsetExists($offset) {
		if ($offset instanceOf Argument) {
			$offset = $offset->key;
		}

		return array_key_exists($offset, $this->_parsed);
	}

	/**
	 * Get the parsed argument's value.
	 *
	 * @param mixed  $offset  An Argument object or the name of the argument.
	 * @return mixed
	 */
	public function offsetGet($offset) {
		if ($offset instanceOf Argument) {
			$offset = $offset->key;
		}

		if (isset($this->_parsed[$offset])) {
			return $this->_parsed[$offset];
		}
	}

	/**
	 * Sets the value of a parsed argument.
	 *
	 * @param mixed  $offset  An Argument object or the name of the argument.
	 * @param mixed  $value   The value to set
	 */
	public function offsetSet($offset, $value) {
		if ($offset instanceOf Argument) {
			$offset = $offset->key;
		}

		$this->_parsed[$offset] = $value;
	}

	/**
	 * Unset a parsed argument.
	 *
	 * @param mixed  $offset  An Argument object or the name of the argument.
	 */
	public function offsetUnset($offset) {
		if ($offset instanceOf Argument) {
			$offset = $offset->key;
		}

		unset($this->_parsed[$offset]);
	}

	/**
	 * Adds a flag (boolean argument) to the argument list.
	 *
	 * @param mixed  $flag  A string representing the flag, or an array of strings.
	 * @param array  $settings  An array of settings for this flag.
	 * @setting string  description  A description to be shown in --help.
	 * @setting bool    default  The default value for this flag.
	 * @setting bool    stackable  Whether the flag is repeatable to increase the value.
	 * @setting array   aliases  Other ways to trigger this flag.
	 * @return $this
	 */
	public function addFlag($flag, $settings = array()) {
		if (is_string($settings)) {
			$settings = array('description' => $settings);
		}
		if (is_array($flag)) {
			$settings['aliases'] = $flag;
			$flag = array_shift($settings['aliases']);
		}
		if (isset($this->_flags[$flag])) {
			$this->_warn('flag already exists: ' . $flag);
			return $this;
		}

		$settings += array(
			'default'     => false,
			'stackable'   => false,
			'description' => null,
			'aliases'     => array()
		);

		$this->_flags[$flag] = $settings;
		return $this;
	}

	/**
	 * Add multiple flags at once. The input array should be keyed with the
	 * primary flag character, and the values should be the settings array
	 * used by {addFlag}.
	 *
	 * @param array  $flags  An array of flags to add
	 * @return $this
	 */
	public function addFlags($flags) {
		foreach ($flags as $flag => $settings) {
			if (is_numeric($flag)) {
				$this->_warn('No flag character given');
				continue;
			}

			$this->addFlag($flag, $settings);
		}

		return $this;
	}

	/**
	 * Adds an option (string argument) to the argument list.
	 *
	 * @param mixed  $option  A string representing the option, or an array of strings.
	 * @param array  $settings  An array of settings for this option.
	 * @setting string  description  A description to be shown in --help.
	 * @setting bool    default  The default value for this option.
	 * @setting array   aliases  Other ways to trigger this option.
	 * @return $this
	 */
	public function addOption($option, $settings = array()) {
		if (is_string($settings)) {
			$settings = array('description' => $settings);
		}
		if (is_array($option)) {
			$settings['aliases'] = $option;
			$option = array_shift($settings['aliases']);
		}
		if (isset($this->_options[$option])) {
			$this->_warn('option already exists: ' . $option);
			return $this;
		}

		$settings += array(
			'default'     => null,
			'description' => null,
			'aliases'     => array()
		);

		$this->_options[$option] = $settings;
		return $this;
	}

	/**
	 * Add multiple options at once. The input array should be keyed with the
	 * primary option string, and the values should be the settings array
	 * used by {addOption}.
	 *
	 * @param array  $options  An array of options to add
	 * @return $this
	 */
	public function addOptions($options) {
		foreach ($options as $option => $settings) {
			if (is_numeric($option)) {
				$this->_warn('No option string given');
				continue;
			}

			$this->addOption($option, $settings);
		}

		return $this;
	}

	/**
	 * Enable or disable strict mode. If strict mode is active any invalid
	 * arguments found by the parser will throw `cli\arguments\InvalidArguments`.
	 *
	 * Even if strict is disabled, invalid arguments are logged and can be
	 * retrieved with `cli\Arguments::getInvalidArguments()`.
	 *
	 * @param bool  $strict  True to enable, false to disable.
	 * @return $this
	 */
	public function setStrict($strict) {
		$this->_strict = (bool)$strict;
		return $this;
	}

	/**
	 * Get the list of invalid arguments the parser found.
	 *
	 * @return array
	 */
	public function getInvalidArguments() {
		return $this->_invalid;
	}

	/**
	 * Get a flag by primary matcher or any defined aliases.
	 *
	 * @param mixed  $flag  Either a string representing the flag or an
	 *                      cli\arguments\Argument object.
	 * @return array
	 */
	public function getFlag($flag) {
		if ($flag instanceOf Argument) {
			$obj  = $flag;
			$flag = $flag->value;
		}

		if (isset($this->_flags[$flag])) {
			return $this->_flags[$flag];
		}

		foreach ($this->_flags as $master => $settings) {
			if (in_array($flag, (array)$settings['aliases'])) {
				if (isset($obj)) {
					$obj->key = $master;
				}

				$cache[$flag] =& $settings;
				return $settings;
			}
		}
	}

	public function getFlags() {
		return $this->_flags;
	}

	public function hasFlags() {
		return !empty($this->_flags);
	}

	/**
	 * Returns true if the given argument is defined as a flag.
	 *
	 * @param mixed  $argument  Either a string representing the flag or an
	 *                          cli\arguments\Argument object.
	 * @return bool
	 */
	public function isFlag($argument) {
		return (null !== $this->getFlag($argument));
	}

	/**
	 * Returns true if the given flag is stackable.
	 *
	 * @param mixed  $flag  Either a string representing the flag or an
	 *                      cli\arguments\Argument object.
	 * @return bool
	 */
	public function isStackable($flag) {
		$settings = $this->getFlag($flag);

		return isset($settings) && (true === $settings['stackable']);
	}

	/**
	 * Get an option by primary matcher or any defined aliases.
	 *
	 * @param mixed  $option Either a string representing the option or an
	 *                       cli\arguments\Argument object.
	 * @return array
	 */
	public function getOption($option) {
		if ($option instanceOf Argument) {
			$obj = $option;
			$option = $option->value;
		}

		if (isset($this->_options[$option])) {
			return $this->_options[$option];
		}

		foreach ($this->_options as $master => $settings) {
			if (in_array($option, (array)$settings['aliases'])) {
				if (isset($obj)) {
					$obj->key = $master;
				}

				return $settings;
			}
		}
	}

	public function getOptions() {
		return $this->_options;
	}

	public function hasOptions() {
		return !empty($this->_options);
	}

	/**
	 * Returns true if the given argument is defined as an option.
	 *
	 * @param mixed  $argument  Either a string representing the option or an
	 *                          cli\arguments\Argument object.
	 * @return bool
	 */
	public function isOption($argument) {
		return (null != $this->getOption($argument));
	}

	/**
	 * Parses the argument list with the given options. The returned argument list
	 * will use either the first long name given or the first name in the list
	 * if a long name is not given.
	 *
	 * @return array
	 * @throws arguments\InvalidArguments
	 */
	public function parse() {
		$this->_invalid = array();
		$this->_parsed = array();
		$this->_lexer = new Lexer($this->_input);

		foreach ($this->_lexer as $argument) {
			if ($this->_parseFlag($argument)) {
				continue;
			}
			if ($this->_parseOption($argument)) {
				continue;
			}

			array_push($this->_invalid, $argument->raw);
		}

		if ($this->_strict && !empty($this->_invalid)) {
			throw new InvalidArguments($this->_invalid);
		}
	}

	private function _warn($message) {
		trigger_error('[' . __CLASS__ .'] ' . $message, E_USER_WARNING);
	}

	private function _parseFlag($argument) {
		if (!$this->isFlag($argument)) {
			return false;
		}

		if ($this->isStackable($argument)) {
			if (!isset($this[$argument])) {
				$this[$argument->key] = 0;
			}

			$this[$argument->key] += 1;
		} else {
			$this[$argument->key] = true;
		}

		return true;
	}

	private function _parseOption($option) {
		if (!$this->isOption($option)) {
			return false;
		}

		// Peak ahead to make sure we get a value.
		if ($this->_lexer->end() || !$this->_lexer->peek->isValue) {
			$optionSettings = $this->getOption($option->key);

			if (empty($optionSettings['default'])) {
				// Oops! Got no value and no default , throw a warning and continue.
				$this->_warn('no value given for ' . $option->raw);
				$this[$option->key] = null;
			} else {
				// No value and we have a default, so we set to the default
				$this[$option->key] = $optionSettings['default'];
			}
			return true;
		}

		// Store as array and join to string after looping for values
		$values = array();

		// Loop until we find a flag in peak-ahead
		foreach ($this->_lexer as $value) {
			array_push($values, $value->raw);

			if (!$this->_lexer->end() && !$this->_lexer->peek->isValue) {
				break;
			}
		}

		$this[$option->key] = join($values, ' ');
		return true;
	}
}

<?php
/**
 * PHP Command Line Tools
 *
 * This source file is subject to the MIT license that is bundled
 * with this package in the file LICENSE.
 *
 * @author    James Logsdon <dwarf@girsbrain.org>
 * @copyright 2010 James Logsdom (http://girsbrain.org)
 * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
 */

namespace cli;

abstract class Memoize {
	protected $_memoCache = array();

	public function __get($name) {
		if (isset($this->_memoCache[$name])) {
			return $this->_memoCache[$name];
		}

		// Hide probable private methods
		if (0 == strncmp($name, '_', 1)) {
			return ($this->_memoCache[$name] = null);
		}

		if (!method_exists($this, $name)) {
			return ($this->_memoCache[$name] = null);
		}

		$method = array($this, $name);
		($this->_memoCache[$name] = call_user_func($method));
		return $this->_memoCache[$name];
	}

	protected function _unmemo($name) {
		if ($name === true) {
			$this->_memoCache = array();
		} else {
			unset($this->_memoCache[$name]);
		}
	}
}
<?php
/**
 * PHP Command Line Tools
 *
 * This source file is subject to the MIT license that is bundled
 * with this package in the file LICENSE.
 *
 * @author    James Logsdon <dwarf@girsbrain.org>
 * @copyright 2010 James Logsdom (http://girsbrain.org)
 * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
 */

namespace cli;

use cli\Streams;

/**
 * The `Notify` class is the basis of all feedback classes, such as Indicators
 * and Progress meters. The default behaviour is to refresh output after 100ms
 * have passed. This is done to preventing the screen from flickering and keep
 * slowdowns from output to a minimum.
 *
 * The most basic form of Notifier has no maxim, and simply displays a series
 * of characters to indicate progress is being made.
 */
abstract class Notify {
	protected $_current = 0;
	protected $_first = true;
	protected $_interval;
	protected $_message;
	protected $_start;
	protected $_timer;

	/**
	 * Instatiates a Notification object.
	 *
	 * @param string  $msg       The text to display next to the Notifier.
	 * @param int     $interval  The interval in milliseconds between updates.
	 */
	public function __construct($msg, $interval = 100) {
		$this->_message = $msg;
		$this->_interval = (int)$interval;
	}

	/**
	 * This method should be used to print out the Notifier. This method is
	 * called from `cli\Notify::tick()` after `cli\Notify::$_interval` has passed.
	 *
	 * @abstract
	 * @param boolean  $finish
	 * @see cli\Notify::tick()
	 */
	abstract public function display($finish = false);

	/**
	 * Reset the notifier state so the same instance can be used in multiple loops.
	 */
	public function reset() {
		$this->_current = 0;
		$this->_first = true;
		$this->_start = null;
		$this->_timer = null;
	}

	/**
	 * Returns the formatted tick count.
	 *
	 * @return string  The formatted tick count.
	 */
	public function current() {
		return number_format($this->_current);
	}

	/**
	 * Calculates the time elapsed since the Notifier was first ticked.
	 *
	 * @return int  The elapsed time in seconds.
	 */
	public function elapsed() {
		if (!$this->_start) {
			return 0;
		}

		$elapsed = time() - $this->_start;
		return $elapsed;
	}

	/**
	 * Calculates the speed (number of ticks per second) at which the Notifier
	 * is being updated.
	 *
	 * @return int  The number of ticks performed in 1 second.
	 */
	public function speed() {
		static $tick, $iteration = 0, $speed = 0;

		if (!$this->_start) {
			return 0;
		} else if (!$tick) {
			$tick = $this->_start;
		}

		$now = microtime(true);
		$span = $now - $tick;
		if ($span > 1) {
			$iteration++;
			$tick = $now;
			$speed = ($this->_current / $iteration) / $span;
		}

		return $speed;
	}

	/**
	 * Takes a time span given in seconds and formats it for display. The
	 * returned string will be in MM:SS form.
	 *
	 * @param int  $time The time span in seconds to format.
	 * @return string  The formatted time span.
	 */
	public function formatTime($time) {
		return floor($time / 60) . ':' . str_pad($time % 60, 2, 0, STR_PAD_LEFT);
	}

	/**
	 * Finish our Notification display. Should be called after the Notifier is
	 * no longer needed.
	 *
	 * @see cli\Notify::display()
	 */
	public function finish() {
		Streams::out("\r");
		$this->display(true);
		Streams::line();
	}

	/**
	 * Increments are tick counter by the given amount. If no amount is provided,
	 * the ticker is incremented by 1.
	 *
	 * @param int  $increment  The amount to increment by.
	 */
	public function increment($increment = 1) {
		$this->_current += $increment;
	}

	/**
	 * Determines whether the display should be updated or not according to
	 * our interval setting.
	 *
	 * @return boolean  `true` if the display should be updated, `false` otherwise.
	 */
	public function shouldUpdate() {
		$now = microtime(true) * 1000;

		if (empty($this->_timer)) {
			$this->_start = (int)(($this->_timer = $now) / 1000);
			return true;
		}

		if (($now - $this->_timer) > $this->_interval) {
			$this->_timer = $now;
			return true;
		}
		return false;
	}

	/**
	 * This method is the meat of all Notifiers. First we increment the ticker
	 * and then update the display if enough time has passed since our last tick.
	 *
	 * @param int  $increment  The amount to increment by.
	 * @see cli\Notify::increment()
	 * @see cli\Notify::shouldUpdate()
	 * @see cli\Notify::display()
	 */
	public function tick($increment = 1) {
		$this->increment($increment);

		if ($this->shouldUpdate()) {
			Streams::out("\r");
			$this->display();
		}
	}
}
<?php
/**
 * PHP Command Line Tools
 *
 * This source file is subject to the MIT license that is bundled
 * with this package in the file LICENSE.
 *
 * @author    James Logsdon <dwarf@girsbrain.org>
 * @copyright 2010 James Logsdom (http://girsbrain.org)
 * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
 */

namespace cli;

/**
 * A more complex type of Notifier, `Progress` Notifiers always have a maxim
 * value and generally show some form of percent complete or estimated time
 * to completion along with the standard Notifier displays.
 *
 * @see cli\Notify
 */
abstract class Progress extends \cli\Notify {
	protected $_total = 0;

	/**
	 * Instantiates a Progress Notifier.
	 *
	 * @param string  $msg       The text to display next to the Notifier.
	 * @param int     $total     The total number of ticks we will be performing.
	 * @param int     $interval  The interval in milliseconds between updates.
	 * @see cli\Progress::setTotal()
	 */
	public function __construct($msg, $total, $interval = 100) {
		parent::__construct($msg, $interval);
		$this->setTotal($total);
	}

	/**
	 * Set the max increments for this progress notifier.
	 *
	 * @param int  $total  The total number of times this indicator should be `tick`ed.
	 * @throws \InvalidArgumentException  Thrown if the `$total` is less than 0.
	 */
	public function setTotal($total) {
		$this->_total = (int)$total;

		if ($this->_total < 0) {
			throw new \InvalidArgumentException('Maximum value out of range, must be positive.');
		}
	}

	/**
	 * Reset the progress state so the same instance can be used in multiple loops.
	 */
	public function reset($total = null) {
		parent::reset();

		if ($total) {
			$this->setTotal($total);
		}
	}

	/**
	 * Behaves in a similar manner to `cli\Notify::current()`, but the output
	 * is padded to match the length of `cli\Progress::total()`.
	 *
	 * @return string  The formatted and padded tick count.
	 * @see cli\Progress::total()
	 */
	public function current() {
		$size = strlen($this->total());
		return str_pad(parent::current(), $size);
	}

	/**
	 * Returns the formatted total expected ticks.
	 *
	 * @return string  The formatted total ticks.
	 */
	public function total() {
		return number_format($this->_total);
	}

	/**
	 * Calculates the estimated total time for the tick count to reach the
	 * total ticks given.
	 *
	 * @return int  The estimated total number of seconds for all ticks to be
	 *              completed. This is not the estimated time left, but total.
	 * @see cli\Notify::speed()
	 * @see cli\Notify::elapsed()
	 */
	public function estimated() {
		$speed = $this->speed();
		if (!$speed || !$this->elapsed()) {
			return 0;
		}

		$estimated = round($this->_total / $speed);
		return $estimated;
	}

	/**
	 * Forces the current tick count to the total ticks given at instatiation
	 * time before passing on to `cli\Notify::finish()`.
	 */
	public function finish() {
		$this->_current = $this->_total;
		parent::finish();
	}

	/**
	 * Increments are tick counter by the given amount. If no amount is provided,
	 * the ticker is incremented by 1.
	 *
	 * @param int  $increment  The amount to increment by.
	 */
	public function increment($increment = 1) {
		$this->_current = min($this->_total, $this->_current + $increment);
	}

	/**
	 * Calculate the percentage completed.
	 *
	 * @return float  The percent completed.
	 */
	public function percent() {
		if ($this->_total == 0) {
			return 1;
		}

		return ($this->_current / $this->_total);
	}
}
<?php

namespace cli;

class Streams {

	protected static $out = STDOUT;
	protected static $in = STDIN;
	protected static $err = STDERR;

	static function _call( $func, $args ) {
		$method = __CLASS__ . '::' . $func;
		return call_user_func_array( $method, $args );
	}

	static public function isTty() {
		return (function_exists('posix_isatty') && posix_isatty(static::$out));
	}

	/**
	 * Handles rendering strings. If extra scalar arguments are given after the `$msg`
	 * the string will be rendered with `sprintf`. If the second argument is an `array`
	 * then each key in the array will be the placeholder name. Placeholders are of the
	 * format {:key}.
	 *
	 * @param string   $msg  The message to render.
	 * @param mixed    ...   Either scalar arguments or a single array argument.
	 * @return string  The rendered string.
	 */
	public static function render( $msg ) {
		$args = func_get_args();

		// No string replacement is needed
		if( count( $args ) == 1 ) {
			return Colors::colorize( $msg );
		}

		// If the first argument is not an array just pass to sprintf
		if( !is_array( $args[1] ) ) {
			// Colorize the message first so sprintf doesn't bitch at us
			$args[0] = Colors::colorize( $args[0] );

			// Escape percent characters for sprintf
			$args[0] = preg_replace('/(%([^\w]|$))/', "%$1", $args[0]);

			return call_user_func_array( 'sprintf', $args );
		}

		// Here we do named replacement so formatting strings are more understandable
		foreach( $args[1] as $key => $value ) {
			$msg = str_replace( '{:' . $key . '}', $value, $msg );
		}
		return Colors::colorize( $msg );
	}

	/**
	 * Shortcut for printing to `STDOUT`. The message and parameters are passed
	 * through `sprintf` before output.
	 *
	 * @param string  $msg  The message to output in `printf` format.
	 * @param mixed   ...   Either scalar arguments or a single array argument.
	 * @return void
	 * @see \cli\render()
	 */
	public static function out( $msg ) {
		fwrite( static::$out, self::_call( 'render', func_get_args() ) );
	}

	/**
	 * Pads `$msg` to the width of the shell before passing to `cli\out`.
	 *
	 * @param string  $msg  The message to pad and pass on.
	 * @param mixed   ...   Either scalar arguments or a single array argument.
	 * @return void
	 * @see cli\out()
	 */
	public static function out_padded( $msg ) {
		$msg = self::_call( 'render', func_get_args() );
		self::out( str_pad( $msg, \cli\Shell::columns() ) );
	}

	/**
	 * Prints a message to `STDOUT` with a newline appended. See `\cli\out` for
	 * more documentation.
	 *
	 * @see cli\out()
	 */
	public static function line( $msg = '' ) {
		// func_get_args is empty if no args are passed even with the default above.
		$args = array_merge( func_get_args(), array( '' ) );
		$args[0] .= "\n";

		self::_call( 'out', $args );
	}

	/**
	 * Shortcut for printing to `STDERR`. The message and parameters are passed
	 * through `sprintf` before output.
	 *
	 * @param string  $msg  The message to output in `printf` format. With no string,
	 *                      a newline is printed.
	 * @param mixed   ...   Either scalar arguments or a single array argument.
	 * @return void
	 */
	public static function err( $msg = '' ) {
		// func_get_args is empty if no args are passed even with the default above.
		$args = array_merge( func_get_args(), array( '' ) );
		$args[0] .= "\n";
		fwrite( static::$err, self::_call( 'render', $args ) );
	}

	/**
	 * Takes input from `STDIN` in the given format. If an end of transmission
	 * character is sent (^D), an exception is thrown.
	 *
	 * @param string  $format  A valid input format. See `fscanf` for documentation.
	 *                         If none is given, all input up to the first newline
	 *                         is accepted.
	 * @param boolean $hide    If true will hide what the user types in.
	 * @return string  The input with whitespace trimmed.
	 * @throws \Exception  Thrown if ctrl-D (EOT) is sent as input.
	 */
	public static function input( $format = null, $hide = false ) {
		if ( $hide )
			Shell::hide();

		if( $format ) {
			fscanf( static::$in, $format . "\n", $line );
		} else {
			$line = fgets( static::$in );
		}

		if ( $hide ) {
			Shell::hide( false );
			echo "\n";
		}

		if( $line === false ) {
			throw new \Exception( 'Caught ^D during input' );
		}

		return trim( $line );
	}

	/**
	 * Displays an input prompt. If no default value is provided the prompt will
	 * continue displaying until input is received.
	 *
	 * @param string      $question The question to ask the user.
	 * @param bool|string $default  A default value if the user provides no input.
	 * @param string      $marker   A string to append to the question and default value
	 *                              on display.
	 * @param boolean     $hide     Optionally hides what the user types in.
	 * @return string  The users input.
	 * @see cli\input()
	 */
	public static function prompt( $question, $default = null, $marker = ': ', $hide = false ) {
		if( $default && strpos( $question, '[' ) === false ) {
			$question .= ' [' . $default . ']';
		}

		while( true ) {
			self::out( $question . $marker );
			$line = self::input( null, $hide );

			if( !empty( $line ) )
				return $line;
			if( $default !== false )
				return $default;
		}
	}

	/**
	 * Presents a user with a multiple choice question, useful for 'yes/no' type
	 * questions (which this public static function defaults too).
	 *
	 * @param string  $question  The question to ask the user.
	 * @param string  $choice    A string of characters allowed as a response. Case is ignored.
	 * @param string  $default   The default choice. NULL if a default is not allowed.
	 * @return string  The users choice.
	 * @see cli\prompt()
	 */
	public static function choose( $question, $choice = 'yn', $default = 'n' ) {
		if( !is_string( $choice ) ) {
			$choice = join( '', $choice );
		}

		// Make every choice character lowercase except the default
		$choice = str_ireplace( $default, strtoupper( $default ), strtolower( $choice ) );
		// Seperate each choice with a forward-slash
		$choices = trim( join( '/', preg_split( '//', $choice ) ), '/' );

		while( true ) {
			$line = self::prompt( sprintf( '%s? [%s]', $question, $choices ), $default, '' );

			if( stripos( $choice, $line ) !== false ) {
				return strtolower( $line );
			}
			if( !empty( $default ) ) {
				return strtolower( $default );
			}
		}
	}

	/**
	 * Displays an array of strings as a menu where a user can enter a number to
	 * choose an option. The array must be a single dimension with either strings
	 * or objects with a `__toString()` method.
	 *
	 * @param array   $items    The list of items the user can choose from.
	 * @param string  $default  The index of the default item.
	 * @param string  $title    The message displayed to the user when prompted.
	 * @return string  The index of the chosen item.
	 * @see cli\line()
	 * @see cli\input()
	 * @see cli\err()
	 */
	public static function menu( $items, $default = null, $title = 'Choose an item' ) {
		$map = array_values( $items );

		if( $default && strpos( $title, '[' ) === false && isset( $items[$default] ) ) {
			$title .= ' [' . $items[$default] . ']';
		}

		foreach( $map as $idx => $item ) {
			self::line( '  %d. %s', $idx + 1, (string)$item );
		}
		self::line();

		while( true ) {
			fwrite( static::$out, sprintf( '%s: ', $title ) );
			$line = self::input();

			if( is_numeric( $line ) ) {
				$line--;
				if( isset( $map[$line] ) ) {
					return array_search( $map[$line], $items );
				}

				if( $line < 0 || $line >= count( $map ) ) {
					self::err( 'Invalid menu selection: out of range' );
				}
			} else if( isset( $default ) ) {
				return $default;
			}
		}
	}

	/**
	 * Sets one of the streams (input, output, or error) to a `stream` type resource.
	 *
	 * Valid $whichStream values are:
	 *    - 'in'   (default: STDIN)
	 *    - 'out'  (default: STDOUT)
	 *    - 'err'  (default: STDERR)
	 *
	 * Any custom streams will be closed for you on shutdown, so please don't close stream
	 * resources used with this method.
	 *
	 * @param string    $whichStream  The stream property to update
	 * @param resource  $stream       The new stream resource to use
	 * @return void
	 * @throws \Exception Thrown if $stream is not a resource of the 'stream' type.
	 */
	public static function setStream( $whichStream, $stream ) {
		if( !is_resource( $stream ) || get_resource_type( $stream ) !== 'stream' ) {
			throw new \Exception( 'Invalid resource type!' );
		}
		if( property_exists( __CLASS__, $whichStream ) ) {
			static::${$whichStream} = $stream;
		}
		register_shutdown_function( function() use ($stream) {
			fclose( $stream );
		} );
	}

}
<?php
/**
 * PHP Command Line Tools
 *
 * This source file is subject to the MIT license that is bundled
 * with this package in the file LICENSE.
 *
 * @author    James Logsdon <dwarf@girsbrain.org>
 * @copyright 2010 James Logsdom (http://girsbrain.org)
 * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
 */

namespace cli;

use cli\Shell;
use cli\Streams;
use cli\table\Ascii;
use cli\table\Renderer;
use cli\table\Tabular;

/**
 * The `Table` class is used to display data in a tabular format.
 */
class Table {
	protected $_renderer;
	protected $_headers = array();
	protected $_footers = array();
	protected $_width = array();
	protected $_rows = array();

	/**
	 * Initializes the `Table` class.
	 *
	 * There are 3 ways to instantiate this class:
	 *
	 *  1. Pass an array of strings as the first parameter for the column headers
	 *     and a 2-dimensional array as the second parameter for the data rows.
	 *  2. Pass an array of hash tables (string indexes instead of numerical)
	 *     where each hash table is a row and the indexes of the *first* hash
	 *     table are used as the header values.
	 *  3. Pass nothing and use `setHeaders()` and `addRow()` or `setRows()`.
	 *
	 * @param array  $headers  Headers used in this table. Optional.
	 * @param array  $rows     The rows of data for this table. Optional.
	 * @param array  $footers  Footers used in this table. Optional.
	 */
	public function __construct(array $headers = null, array $rows = null, array $footers = null) {
		if (!empty($headers)) {
			// If all the rows is given in $headers we use the keys from the
			// first row for the header values
			if ($rows === null) {
				$rows = $headers;
				$keys = array_keys(array_shift($headers));
				$headers = array();

				foreach ($keys as $header) {
					$headers[$header] = $header;
				}
			}

			$this->setHeaders($headers);
			$this->setRows($rows);
		}

		if (!empty($footers)) {
			$this->setFooters($footers);
		}

		if (Shell::isPiped()) {
			$this->setRenderer(new Tabular());
		} else {
			$this->setRenderer(new Ascii());
		}
	}

	public function resetTable()
	{
		$this->_headers = array();
		$this->_width = array();
		$this->_rows = array();
		$this->_footers = array();
		return $this;
	}

	/**
	 * Sets the renderer used by this table.
	 *
	 * @param table\Renderer  $renderer  The renderer to use for output.
	 * @see   table\Renderer
	 * @see   table\Ascii
	 * @see   table\Tabular
	 */
	public function setRenderer(Renderer $renderer) {
		$this->_renderer = $renderer;
	}

	/**
	 * Loops through the row and sets the maximum width for each column.
	 *
	 * @param array  $row  The table row.
     * @return array $row
	 */
	protected function checkRow(array $row) {
		foreach ($row as $column => $str) {
			$width = Colors::length($str);
			if (!isset($this->_width[$column]) || $width > $this->_width[$column]) {
				$this->_width[$column] = $width;
			}
		}

		return $row;
	}

	/**
	 * Output the table to `STDOUT` using `cli\line()`.
	 *
	 * If STDOUT is a pipe or redirected to a file, should output simple
	 * tab-separated text. Otherwise, renders table with ASCII table borders
	 *
	 * @uses cli\Shell::isPiped() Determine what format to output
	 *
	 * @see cli\Table::renderRow()
	 */
	public function display() {
		foreach( $this->getDisplayLines() as $line ) {
			Streams::line( $line );
		}
	}

	/**
	 * Get the table lines to output.
	 *
	 * @see cli\Table::display()
	 * @see cli\Table::renderRow()
	 *
	 * @return array
	 */
	public function getDisplayLines() {
		$this->_renderer->setWidths($this->_width);
		$border = $this->_renderer->border();

		$out = array();
		if (isset($border)) {
			$out[] = $border;
		}
		$out[] = $this->_renderer->row($this->_headers);
		if (isset($border)) {
			$out[] = $border;
		}

		foreach ($this->_rows as $row) {
			$row = $this->_renderer->row($row);
			$row = explode( PHP_EOL, $row );
			$out = array_merge( $out, $row );
		}

		if (isset($border)) {
			$out[] = $border;
		}

		if ($this->_footers) {
			$out[] = $this->_renderer->row($this->_footers);
			if (isset($border)) {
				$out[] = $border;
			}
		}
		return $out;
	}

	/**
	 * Sort the table by a column. Must be called before `cli\Table::display()`.
	 *
	 * @param int  $column  The index of the column to sort by.
	 */
	public function sort($column) {
		if (!isset($this->_headers[$column])) {
			trigger_error('No column with index ' . $column, E_USER_NOTICE);
			return;
		}

		usort($this->_rows, function($a, $b) use ($column) {
			return strcmp($a[$column], $b[$column]);
		});
	}

	/**
	 * Set the headers of the table.
	 *
	 * @param array  $headers  An array of strings containing column header names.
	 */
	public function setHeaders(array $headers) {
		$this->_headers = $this->checkRow($headers);
	}

	/**
	 * Set the footers of the table.
	 *
	 * @param array  $footers  An array of strings containing column footers names.
	 */
	public function setFooters(array $footers) {
		$this->_footers = $this->checkRow($footers);
	}


	/**
	 * Add a row to the table.
	 *
	 * @param array  $row  The row data.
	 * @see cli\Table::checkRow()
	 */
	public function addRow(array $row) {
		$this->_rows[] = $this->checkRow($row);
	}

	/**
	 * Clears all previous rows and adds the given rows.
	 *
	 * @param array  $rows  A 2-dimensional array of row data.
	 * @see cli\Table::addRow()
	 */
	public function setRows(array $rows) {
		$this->_rows = array();
		foreach ($rows as $row) {
			$this->addRow($row);
		}
	}

	public function countRows() {
		return count($this->_rows);
	}
}
<?php
/**
 * PHP Command Line Tools
 *
 * This source file is subject to the MIT license that is bundled
 * with this package in the file LICENSE.
 *
 * @author    Ryan Sullivan <rsullivan@connectstudios.com>
 * @copyright 2010 James Logsdom (http://girsbrain.org)
 * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
 */

namespace cli;

/**
 * The `Tree` class is used to display data in a tree-like format.
 */
class Tree {

    protected $_renderer;
    protected $_data = array();

    /**
     * Sets the renderer used by this tree.
     *
     * @param tree\Renderer  $renderer  The renderer to use for output.
     * @see   tree\Renderer
     * @see   tree\Ascii
     * @see   tree\Markdown
     */
    public function setRenderer(tree\Renderer $renderer) {
        $this->_renderer = $renderer;
    }

    /**
     * Set the data.
     * Format:
     *     [
     *         'Label' => [
     *             'Thing' => ['Thing'],
     *         ],
     *         'Thing',
     *     ]
     * @param array $data
     */
    public function setData(array $data)
    {
        $this->_data = $data;
    }

    /**
     * Render the tree and return it as a string.
     *
     * @return string|null
     */
    public function render()
    {
        return $this->_renderer->render($this->_data);
    }

    /**
     * Display the rendered tree
     */
    public function display()
    {
        echo $this->render();
    }

}
<?php
/**
 * PHP Command Line Tools
 *
 * This source file is subject to the MIT license that is bundled
 * with this package in the file LICENSE.
 *
 * @author    James Logsdon <dwarf@girsbrain.org>
 * @copyright 2010 James Logsdom (http://girsbrain.org)
 * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
 */

namespace cli\arguments;

use cli\Memoize;

/**
 * Represents an Argument or a value and provides several helpers related to parsing an argument list.
 */
class Argument extends Memoize {
	/**
	 * The canonical name of this argument, used for aliasing.
	 *
	 * @param string
	 */
	public $key;

	private $_argument;
	private $_raw;

	/**
	 * @param string  $argument  The raw argument, leading dashes included.
	 */
	public function __construct($argument) {
		$this->_raw = $argument;
		$this->key =& $this->_argument;

		if ($this->isLong) {
			$this->_argument = substr($this->_raw, 2);
		} else if ($this->isShort) {
			$this->_argument = substr($this->_raw, 1);
		} else {
			$this->_argument = $this->_raw;
		}
	}

	/**
	 * Returns the raw input as a string.
	 *
	 * @return string
	 */
	public function __toString() {
		return (string)$this->_raw;
	}

	/**
	 * Returns the formatted argument string.
	 *
	 * @return string
	 */
	public function value() {
		return $this->_argument;
	}

	/**
	 * Returns the raw input.
	 *
	 * @return mixed
	 */
	public function raw() {
		return $this->_raw;
	}

	/**
	 * Returns true if the string matches the pattern for long arguments.
	 *
	 * @return bool
	 */
	public function isLong() {
		return (0 == strncmp($this->_raw, '--', 2));
	}

	/**
	 * Returns true if the string matches the pattern for short arguments.
	 *
	 * @return bool
	 */
	public function isShort() {
		return !$this->isLong && (0 == strncmp($this->_raw, '-', 1));
	}

	/**
	 * Returns true if the string matches the pattern for arguments.
	 *
	 * @return bool
	 */
	public function isArgument() {
		return $this->isShort() || $this->isLong();
	}

	/**
	 * Returns true if the string matches the pattern for values.
	 *
	 * @return bool
	 */
	public function isValue() {
		return !$this->isArgument;
	}

	/**
	 * Returns true if the argument is short but contains several characters. Each
	 * character is considered a separate argument.
	 *
	 * @return bool
	 */
	public function canExplode() {
		return $this->isShort && strlen($this->_argument) > 1;
	}

	/**
	 * Returns all but the first character of the argument, removing them from the
	 * objects representation at the same time.
	 *
	 * @return array
	 */
	public function exploded() {
		$exploded = array();

		for ($i = strlen($this->_argument); $i > 0; $i--) {
			array_push($exploded, $this->_argument[$i - 1]);
		}

		$this->_argument = array_pop($exploded);
		$this->_raw      = '-' . $this->_argument;
		return $exploded;
	}
}
<?php
/**
 * PHP Command Line Tools
 *
 * This source file is subject to the MIT license that is bundled
 * with this package in the file LICENSE.
 *
 * @author    James Logsdon <dwarf@girsbrain.org>
 * @copyright 2010 James Logsdom (http://girsbrain.org)
 * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
 */

namespace cli\arguments;

use cli\Arguments;

/**
 * Arguments help screen renderer
 */
class HelpScreen {
	protected $_flags = array();
	protected $_maxFlag = 0;
	protected $_options = array();
	protected $_maxOption = 0;

	public function __construct(Arguments $arguments) {
		$this->setArguments($arguments);
	}

	public function __toString() {
		return $this->render();
	}

	public function setArguments(Arguments $arguments) {
		$this->consumeArgumentFlags($arguments);
		$this->consumeArgumentOptions($arguments);
	}

	public function consumeArgumentFlags(Arguments $arguments) {
		$data = $this->_consume($arguments->getFlags());

		$this->_flags = $data[0];
		$this->_flagMax = $data[1];
	}

	public function consumeArgumentOptions(Arguments $arguments) {
		$data = $this->_consume($arguments->getOptions());

		$this->_options = $data[0];
		$this->_optionMax = $data[1];
	}

	public function render() {
		$help = array();

		array_push($help, $this->_renderFlags());
		array_push($help, $this->_renderOptions());

		return join($help, "\n\n");
	}

	private function _renderFlags() {
		if (empty($this->_flags)) {
			return null;
		}

		return "Flags\n" . $this->_renderScreen($this->_flags, $this->_flagMax);
	}

	private function _renderOptions() {
		if (empty($this->_options)) {
			return null;
		}

		return "Options\n" . $this->_renderScreen($this->_options, $this->_optionMax);
	}

	private function _renderScreen($options, $max) {
		$help = array();
		foreach ($options as $option => $settings) {
			$formatted = '  ' . str_pad($option, $max);

			$dlen = 80 - 4 - $max;

			$description = str_split($settings['description'], $dlen);
			$formatted.= '  ' . array_shift($description);

			if ($settings['default']) {
				$formatted .= ' [default: ' . $settings['default'] . ']';
			}

			$pad = str_repeat(' ', $max + 3);
			while ($desc = array_shift($description)) {
				$formatted .= "\n${pad}${desc}";
			}

			array_push($help, $formatted);
		}

		return join($help, "\n");
	}

	private function _consume($options) {
		$max = 0;
		$out = array();

		foreach ($options as $option => $settings) {
			$names = array('--' . $option);

			foreach ($settings['aliases'] as $alias) {
				array_push($names, '-' . $alias);
			}

			$names = join($names, ', ');
			$max = max(strlen($names), $max);
			$out[$names] = $settings;
		}

		return array($out, $max);
	}
}

<?php
/**
 * PHP Command Line Tools
 *
 * This source file is subject to the MIT license that is bundled
 * with this package in the file LICENSE.
 *
 * @author    James Logsdon <dwarf@girsbrain.org>
 * @copyright 2010 James Logsdom (http://girsbrain.org)
 * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
 */

namespace cli\arguments;

/**
 * Thrown when undefined arguments are detected in strict mode.
 */
class InvalidArguments extends \InvalidArgumentException {
	protected $arguments;

	/**
	 * @param array  $arguments  A list of arguments that do not fit the profile.
	 */
	public function __construct(array $arguments) {
		$this->arguments = $arguments;
		$this->message = $this->_generateMessage();
	}

	/**
	 * Get the arguments that caused the exception.
	 *
	 * @return array
	 */
	public function getArguments() {
		return $this->arguments;
	}

	private function _generateMessage() {
		return 'unknown argument' .
			(count($this->arguments) > 1 ? 's' : '') .
			': ' . join($this->arguments, ', ');
	}
}
<?php
/**
 * PHP Command Line Tools
 *
 * This source file is subject to the MIT license that is bundled
 * with this package in the file LICENSE.
 *
 * @author    James Logsdon <dwarf@girsbrain.org>
 * @copyright 2010 James Logsdom (http://girsbrain.org)
 * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
 */

namespace cli\arguments;

use cli\Memoize;

class Lexer extends Memoize implements \Iterator {
	private $_items = array();
	private $_index = 0;
	private $_length = 0;
	private $_first = true;

	/**
	 * @param array  $items  A list of strings to process as tokens.
	 */
	public function __construct(array $items) {
		$this->_items = $items;
		$this->_length = count($items);
	}

	/**
	 * The current token.
	 *
	 * @return string
	 */
	public function current() {
		return $this->_item;
	}

	/**
	 * Peek ahead to the next token without moving the cursor.
	 *
	 * @return Argument
	 */
	public function peek() {
		return new Argument($this->_items[0]);
	}

	/**
	 * Move the cursor forward 1 element if it is valid.
	 */
	public function next() {
		if ($this->valid()) {
			$this->_shift();
		}
	}

	/**
	 * Return the current position of the cursor.
	 *
	 * @return int
	 */
	public function key() {
		return $this->_index;
	}

	/**
	 * Move forward 1 element and, if the method hasn't been called before, reset
	 * the cursor's position to 0.
	 */
	public function rewind() {
		$this->_shift();
		if ($this->_first) {
			$this->_index = 0;
			$this->_first = false;
		}
	}

	/**
	 * Returns true if the cursor has not reached the end of the list.
	 *
	 * @return bool
	 */
	public function valid() {
		return ($this->_index < $this->_length);
	}

	/**
	 * Push an element to the front of the stack.
	 *
	 * @param mixed  $item  The value to set
	 */
	public function unshift($item) {
		array_unshift($this->_items, $item);
		$this->_length += 1;
	}

	/**
	 * Returns true if the cursor is at the end of the list.
	 *
	 * @return bool
	 */
	public function end() {
		return ($this->_index + 1) == $this->_length;
	}

	private function _shift() {
		$this->_item = new Argument(array_shift($this->_items));
		$this->_index += 1;
		$this->_explode();
		$this->_unmemo('peek');
	}

	private function _explode() {
		if (!$this->_item->canExplode) {
			return false;
		}

		foreach ($this->_item->exploded as $piece) {
			$this->unshift('-' . $piece);
		}
	}
}
<?php

/**
 * PHP Command Line Tools
 *
 * This source file is subject to the MIT license that is bundled
 * with this package in the file LICENSE.
 *
 * @author    James Logsdon <dwarf@girsbrain.org>
 * @copyright 2010 James Logsdom (http://girsbrain.org)
 * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
 */

namespace cli;

/**
 * Handles rendering strings. If extra scalar arguments are given after the `$msg`
 * the string will be rendered with `sprintf`. If the second argument is an `array`
 * then each key in the array will be the placeholder name. Placeholders are of the
 * format {:key}.
 *
 * @param string   $msg  The message to render.
 * @param mixed    ...   Either scalar arguments or a single array argument.
 * @return string  The rendered string.
 */
function render( $msg ) {
	return Streams::_call( 'render', func_get_args() );
}

/**
 * Shortcut for printing to `STDOUT`. The message and parameters are passed
 * through `sprintf` before output.
 *
 * @param string  $msg  The message to output in `printf` format.
 * @param mixed   ...   Either scalar arguments or a single array argument.
 * @return void
 * @see \cli\render()
 */
function out( $msg ) {
	Streams::_call( 'out', func_get_args() );
}

/**
 * Pads `$msg` to the width of the shell before passing to `cli\out`.
 *
 * @param string  $msg  The message to pad and pass on.
 * @param mixed   ...   Either scalar arguments or a single array argument.
 * @return void
 * @see cli\out()
 */
function out_padded( $msg ) {
	Streams::_call( 'out_padded', func_get_args() );
}

/**
 * Prints a message to `STDOUT` with a newline appended. See `\cli\out` for
 * more documentation.
 *
 * @see cli\out()
 */
function line( $msg = '' ) {
	Streams::_call( 'line', func_get_args() );
}

/**
 * Shortcut for printing to `STDERR`. The message and parameters are passed
 * through `sprintf` before output.
 *
 * @param string  $msg  The message to output in `printf` format. With no string,
 *                      a newline is printed.
 * @param mixed   ...   Either scalar arguments or a single array argument.
 * @return void
 */
function err( $msg = '' ) {
	Streams::_call( 'err', func_get_args() );
}

/**
 * Takes input from `STDIN` in the given format. If an end of transmission
 * character is sent (^D), an exception is thrown.
 *
 * @param string  $format  A valid input format. See `fscanf` for documentation.
 *                         If none is given, all input up to the first newline
 *                         is accepted.
 * @return string  The input with whitespace trimmed.
 * @throws \Exception  Thrown if ctrl-D (EOT) is sent as input.
 */
function input( $format = null ) {
	return Streams::input( $format );
}

/**
 * Displays an input prompt. If no default value is provided the prompt will
 * continue displaying until input is received.
 *
 * @param string  $question The question to ask the user.
 * @param string  $default  A default value if the user provides no input.
 * @param string  $marker   A string to append to the question and default value on display.
 * @param boolean $hide     If the user input should be hidden
 * @return string  The users input.
 * @see cli\input()
 */
function prompt( $question, $default = false, $marker = ': ', $hide = false ) {
	return Streams::prompt( $question, $default, $marker, $hide );
}

/**
 * Presents a user with a multiple choice question, useful for 'yes/no' type
 * questions (which this function defaults too).
 *
 * @param string      $question   The question to ask the user.
 * @param string      $choice
 * @param string|null $default    The default choice. NULL if a default is not allowed.
 * @internal param string $valid  A string of characters allowed as a response. Case
 *                                is ignored.
 * @return string  The users choice.
 * @see      cli\prompt()
 */
function choose( $question, $choice = 'yn', $default = 'n' ) {
	return Streams::choose( $question, $choice, $default );
}

/**
 * Does the same as {@see choose()}, but always asks yes/no and returns a boolean
 *
 * @param string    $question  The question to ask the user.
 * @param bool|null $default   The default choice, in a boolean format.
 * @return bool
 */
function confirm( $question, $default = false ) {
	if ( is_bool( $default ) ) {
		$default = $default? 'y' : 'n';
	}
	$result  = choose( $question, 'yn', $default );
	return $result == 'y';
}

/**
 * Displays an array of strings as a menu where a user can enter a number to
 * choose an option. The array must be a single dimension with either strings
 * or objects with a `__toString()` method.
 *
 * @param array  $items   The list of items the user can choose from.
 * @param string $default The index of the default item.
 * @param string $title   The message displayed to the user when prompted.
 * @return string  The index of the chosen item.
 * @see cli\line()
 * @see cli\input()
 * @see cli\err()
 */
function menu( $items, $default = null, $title = 'Choose an item' ) {
	return Streams::menu( $items, $default, $title );
}

/**
 * Attempts an encoding-safe way of getting string length. If mb_string extensions aren't
 * installed, falls back to basic strlen if no encoding is present
 *
 * @param string The string to check
 * @return int Numeric value that represents the string's length
 */
function safe_strlen( $str ) {
	if ( function_exists( 'mb_strlen' ) && function_exists( 'mb_detect_encoding' ) ) {
		$length =  mb_strlen( $str, mb_detect_encoding( $str ) );
	} else {
		// iconv will return PHP notice if non-ascii characters are present in input string
		$str = iconv( 'ASCII' , 'ASCII', $str );

		$length = strlen( $str );
	}

	return $length;
}

/**
 * Attempts an encoding-safe way of getting a substring. If mb_string extensions aren't
 * installed, falls back to ascii substring if no encoding is present
 * 		
 * @param  string  $str  The input string
 * @param  int     $start   The starting position of the substring
 * @param  boolean $length  Maximum length of the substring
 * @return string           Substring of string specified by start and length parameters
 */
function safe_substr( $str, $start, $length = false ) {
	if ( function_exists( 'mb_substr' ) && function_exists( 'mb_detect_encoding' ) ) {
		$substr = mb_substr( $str, $start, $length, mb_detect_encoding( $str ) );
	} else {
		// iconv will return PHP notice if non-ascii characters are present in input string
		$str = iconv( 'ASCII' , 'ASCII', $str );
		
		$substr = substr( $str, $start, $length );
	}

	return $substr;
}

/**
 * An encoding-safe way of padding string length for display
 *
 * @param string $string The string to pad
 * @param int $length The length to pad it to
 * @return string
 */
function safe_str_pad( $string, $length ) {
	// Hebrew vowel characters
	$cleaned_string = preg_replace( '#[\x{591}-\x{5C7}]+#u', '', Colors::decolorize( $string ) );
	if ( function_exists( 'mb_strwidth' ) && function_exists( 'mb_detect_encoding' ) ) {
		$real_length = mb_strwidth( $cleaned_string, mb_detect_encoding( $string ) );
	} else {
		$real_length = safe_strlen( $cleaned_string );
	}
	$diff = strlen( $string ) - $real_length;
	$length += $diff;

	return str_pad( $string, $length );
}
<?php
/**
 * PHP Command Line Tools
 *
 * This source file is subject to the MIT license that is bundled
 * with this package in the file LICENSE.
 *
 * @author    James Logsdon <dwarf@girsbrain.org>
 * @copyright 2010 James Logsdom (http://girsbrain.org)
 * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
 */

namespace cli\notify;

use cli\Notify;
use cli\Streams;

/**
 * A Notifer that displays a string of periods.
 */
class Dots extends Notify {
	protected $_dots;
	protected $_format = '{:msg}{:dots}  ({:elapsed}, {:speed}/s)';
	protected $_iteration;

	/**
	 * Instatiates a Notification object.
	 *
	 * @param string  $msg       The text to display next to the Notifier.
	 * @param int     $dots      The number of dots to iterate through.
	 * @param int     $interval  The interval in milliseconds between updates.
	 * @throws \InvalidArgumentException
	 */
	public function __construct($msg, $dots = 3, $interval = 100) {
		parent::__construct($msg, $interval);
		$this->_dots = (int)$dots;

		if ($this->_dots <= 0) {
			throw new \InvalidArgumentException('Dot count out of range, must be positive.');
		}
	}

	/**
	 * Prints the correct number of dots to `STDOUT` with the time elapsed and
	 * tick speed.
	 *
	 * @param boolean  $finish  `true` if this was called from
	 *                          `cli\Notify::finish()`, `false` otherwise.
	 * @see cli\out_padded()
	 * @see cli\Notify::formatTime()
	 * @see cli\Notify::speed()
	 */
	public function display($finish = false) {
		$repeat = $this->_dots;
		if (!$finish) {
			$repeat = $this->_iteration++ % $repeat;
		}

		$msg = $this->_message;
		$dots = str_pad(str_repeat('.', $repeat), $this->_dots);
		$speed = number_format(round($this->speed()));
		$elapsed = $this->formatTime($this->elapsed());

		Streams::out_padded($this->_format, compact('msg', 'dots', 'speed', 'elapsed'));
	}
}
<?php
/**
 * PHP Command Line Tools
 *
 * This source file is subject to the MIT license that is bundled
 * with this package in the file LICENSE.
 *
 * @author    James Logsdon <dwarf@girsbrain.org>
 * @copyright 2010 James Logsdom (http://girsbrain.org)
 * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
 */

namespace cli\notify;

use cli\Notify;
use cli\Streams;

/**
 * The `Spinner` Notifier displays an ASCII spinner.
 */
class Spinner extends Notify {
	protected $_chars = '-\|/';
	protected $_format = '{:msg} {:char}  ({:elapsed}, {:speed}/s)';
	protected $_iteration = 0;

	/**
	 * Prints the current spinner position to `STDOUT` with the time elapsed
	 * and tick speed.
	 *
	 * @param boolean  $finish  `true` if this was called from
	 *                          `cli\Notify::finish()`, `false` otherwise.
	 * @see cli\out_padded()
	 * @see cli\Notify::formatTime()
	 * @see cli\Notify::speed()
	 */
	public function display($finish = false) {
		$msg = $this->_message;
		$idx = $this->_iteration++ % strlen($this->_chars);
		$char = $this->_chars[$idx];
		$speed = number_format(round($this->speed()));
		$elapsed = $this->formatTime($this->elapsed());

		Streams::out_padded($this->_format, compact('msg', 'char', 'elapsed', 'speed'));
	}
}
<?php
/**
 * PHP Command Line Tools
 *
 * This source file is subject to the MIT license that is bundled
 * with this package in the file LICENSE.
 *
 * @author    James Logsdon <dwarf@girsbrain.org>
 * @copyright 2010 James Logsdom (http://girsbrain.org)
 * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
 */

namespace cli\progress;

use cli;
use cli\Progress;
use cli\Shell;
use cli\Streams;

/**
 * Displays a progress bar spanning the entire shell.
 *
 * Basic format:
 *
 *   ^MSG  PER% [=======================            ]  00:00 / 00:00$
 */
class Bar extends Progress {
	protected $_bars = '=>';
	protected $_formatMessage = '{:msg}  {:percent}% [';
	protected $_formatTiming = '] {:elapsed} / {:estimated}';
	protected $_format = '{:msg}{:bar}{:timing}';

	/**
	 * Prints the progress bar to the screen with percent complete, elapsed time
	 * and estimated total time.
	 *
	 * @param boolean  $finish  `true` if this was called from
	 *                          `cli\Notify::finish()`, `false` otherwise.
	 * @see cli\out()
	 * @see cli\Notify::formatTime()
	 * @see cli\Notify::elapsed()
	 * @see cli\Progress::estimated();
	 * @see cli\Progress::percent()
	 * @see cli\Shell::columns()
	 */
	public function display($finish = false) {
		$_percent = $this->percent();

		$percent = str_pad(floor($_percent * 100), 3);;
		$msg = $this->_message;
		$msg = Streams::render($this->_formatMessage, compact('msg', 'percent'));

		$estimated = $this->formatTime($this->estimated());
		$elapsed   = str_pad($this->formatTime($this->elapsed()), strlen($estimated));
		$timing    = Streams::render($this->_formatTiming, compact('elapsed', 'estimated'));

		$size = Shell::columns();
		$size -= strlen($msg . $timing);
		if ( $size < 0 ) {
			$size = 0;
		}

		$bar = str_repeat($this->_bars[0], floor($_percent * $size)) . $this->_bars[1];
		// substr is needed to trim off the bar cap at 100%
		$bar = substr(str_pad($bar, $size, ' '), 0, $size);

		Streams::out($this->_format, compact('msg', 'bar', 'timing'));
	}
}
<?php
/**
 * PHP Command Line Tools
 *
 * This source file is subject to the MIT license that is bundled
 * with this package in the file LICENSE.
 *
 * @author    James Logsdon <dwarf@girsbrain.org>
 * @copyright 2010 James Logsdom (http://girsbrain.org)
 * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
 */

namespace cli\table;

use cli\Colors;
use cli\Shell;

/**
 * The ASCII renderer renders tables with ASCII borders.
 */
class Ascii extends Renderer {
	protected $_characters = array(
		'corner'  => '+',
		'line'    => '-',
		'border'  => '|',
		'padding' => ' ',
	);
	protected $_border = null;
	protected $_constraintWidth = null;

	/**
	 * Set the widths of each column in the table.
	 *
	 * @param array  $widths  The widths of the columns.
	 */
	public function setWidths(array $widths) {

		if ( is_null( $this->_constraintWidth ) ) {
			$this->_constraintWidth = (int) Shell::columns();
		}
		$col_count = count( $widths );
		$col_borders_count = $col_count * strlen( $this->_characters['border'] );
		$table_borders_count = strlen( $this->_characters['border'] ) * 1;
		$col_padding_count = $col_count * strlen( $this->_characters['padding'] ) * 2;
		$max_width = $this->_constraintWidth - $col_borders_count - $table_borders_count - $col_padding_count;

		if ( $widths && $max_width && array_sum( $widths ) > $max_width ) {

			$avg = floor( $max_width / count( $widths ) );
			$resize_widths = array();
			$extra_width = 0;
			foreach( $widths as $width ) {
				if ( $width > $avg ) {
					$resize_widths[] = $width;
				} else {
					$extra_width = $extra_width + ( $avg - $width );
				}
			}

			if ( ! empty( $resize_widths ) && $extra_width ) {
				$avg_extra_width = floor( $extra_width / count( $resize_widths ) );
				foreach( $widths as &$width ) {
					if ( in_array( $width, $resize_widths ) ) {
						$width = $avg + $avg_extra_width;
						$extra_width = $extra_width - $avg_extra_width;
						array_shift( $resize_widths );
						// Last item gets the cake
						if ( empty( $resize_widths ) ) {
							$width = $width + $extra_width;
						}
					}
				}
			}

		}

		$this->_widths = $widths;
	}

	/**
	 * Set the constraint width for the table
	 *
	 * @param int $constraintWidth
	 */
	public function setConstraintWidth( $constraintWidth ) {
		$this->_constraintWidth = $constraintWidth;
	}

	/**
	 * Set the characters used for rendering the Ascii table.
	 *
	 * The keys `corner`, `line` and `border` are used in rendering.
	 *
	 * @param $characters  array  Characters used in rendering.
	 */
	public function setCharacters(array $characters) {
		$this->_characters = array_merge($this->_characters, $characters);
	}

	/**
	 * Render a border for the top and bottom and separating the headers from the
	 * table rows.
	 *
	 * @return string  The table border.
	 */
	public function border() {
		if (!isset($this->_border)) {
			$this->_border = $this->_characters['corner'];
			foreach ($this->_widths as $width) {
				$this->_border .= str_repeat($this->_characters['line'], $width + 2);
				$this->_border .= $this->_characters['corner'];
			}
		}

		return $this->_border;
	}

	/**
	 * Renders a row for output.
	 *
	 * @param array  $row  The table row.
	 * @return string  The formatted table row.
	 */
	public function row( array $row ) {

		$extra_row_count = 0;

		if ( count( $row ) > 0 ) {
			$extra_rows = array_fill( 0, count( $row ), array() );

			foreach( $row as $col => $value ) {

				$value = str_replace( PHP_EOL, ' ', $value );

				$col_width = $this->_widths[ $col ];
				$original_val_width = Colors::length( $value );
				if ( $original_val_width > $col_width ) {
					$row[ $col ] = \cli\safe_substr( $value, 0, $col_width );
					$value = \cli\safe_substr( $value, $col_width, $original_val_width );
					$i = 0;
					do {
						$extra_value = \cli\safe_substr( $value, 0, $col_width );
						$val_width = \cli\safe_strlen( $extra_value );
						if ( $val_width ) {
							$extra_rows[ $col ][] = $extra_value;
							$value = \cli\safe_substr( $value, $col_width, $original_val_width );
							$i++;
							if ( $i > $extra_row_count ) {
								$extra_row_count = $i;
							}
						}
					} while( $value );
				}

			}
		}

		$row = array_map(array($this, 'padColumn'), $row, array_keys($row));
		array_unshift($row, ''); // First border
		array_push($row, ''); // Last border

		$ret = join($this->_characters['border'], $row);
		if ( $extra_row_count ) {
			foreach( $extra_rows as $col => $col_values ) {
				while( count( $col_values ) < $extra_row_count ) {
					$col_values[] = '';
				}
			}

			do {
				$row_values = array();
				$has_more = false;
				foreach( $extra_rows as $col => &$col_values ) {
					$row_values[ $col ] = array_shift( $col_values );
					if ( count( $col_values ) ) {
						$has_more = true;
					}
				}

				$row_values = array_map(array($this, 'padColumn'), $row_values, array_keys($row_values));
				array_unshift($row_values, ''); // First border
				array_push($row_values, ''); // Last border

				$ret .= PHP_EOL . join($this->_characters['border'], $row_values);
			} while( $has_more );
		}
		return $ret;
	}

	private function padColumn($content, $column) {
		return $this->_characters['padding'] . Colors::pad($content, $this->_widths[$column]) . $this->_characters['padding'];
	}
}
<?php
/**
 * PHP Command Line Tools
 *
 * This source file is subject to the MIT license that is bundled
 * with this package in the file LICENSE.
 *
 * @author    James Logsdon <dwarf@girsbrain.org>
 * @copyright 2010 James Logsdom (http://girsbrain.org)
 * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
 */

namespace cli\table;

/**
 * Table renderers are used to change how a table is displayed.
 */
abstract class Renderer {
	protected $_widths = array();

	public function __construct(array $widths = array()) {
		$this->setWidths($widths);
	}

	/**
	 * Set the widths of each column in the table.
	 *
	 * @param array  $widths  The widths of the columns.
	 */
	public function setWidths(array $widths) {
		$this->_widths = $widths;
	}

	/**
	 * Render a border for the top and bottom and separating the headers from the
	 * table rows.
	 *
	 * @return string  The table border.
	 */
	public function border() {
		return null;
	}

	/**
	 * Renders a row for output.
	 *
	 * @param array  $row  The table row.
	 * @return string  The formatted table row.
	 */
	abstract public function row(array $row);
}
<?php
/**
 * PHP Command Line Tools
 *
 * This source file is subject to the MIT license that is bundled
 * with this package in the file LICENSE.
 *
 * @author    James Logsdon <dwarf@girsbrain.org>
 * @copyright 2010 James Logsdom (http://girsbrain.org)
 * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
 */

namespace cli\table;

/**
 * The tabular renderer is used for displaying data in a tabular format.
 */
class Tabular extends Renderer {
	/**
	 * Renders a row for output.
	 *
	 * @param array  $row  The table row.
	 * @return string  The formatted table row.
	 */
	public function row(array $row) {
		return implode("\t", array_values($row));
	}
}
<?php
/**
 * PHP Command Line Tools
 *
 * This source file is subject to the MIT license that is bundled
 * with this package in the file LICENSE.
 *
 * @author    Ryan Sullivan <rsullivan@connectstudios.com>
 * @copyright 2010 James Logsdom (http://girsbrain.org)
 * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
 */

namespace cli\tree;

/**
 * The ASCII renderer renders trees with ASCII lines.
 */
class Ascii extends Renderer {

    /**
     * @param array $tree
     * @return string
     */
    public function render(array $tree)
    {
        $output = '';

        $treeIterator = new \RecursiveTreeIterator(
            new \RecursiveArrayIterator($tree),
            \RecursiveTreeIterator::SELF_FIRST
        );

        foreach ($treeIterator as $val)
        {
            $output .= $val . "\n";
        }

        return $output;
    }

}
<?php
/**
 * PHP Command Line Tools
 *
 * This source file is subject to the MIT license that is bundled
 * with this package in the file LICENSE.
 *
 * @author    Ryan Sullivan <rsullivan@connectstudios.com>
 * @copyright 2010 James Logsdom (http://girsbrain.org)
 * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
 */

namespace cli\tree;

/**
 * The ASCII renderer renders trees with ASCII lines.
 */
class Markdown extends Renderer {

    /**
     * How many spaces to indent by
     * @var int
     */
    protected $_padding = 2;

    /**
     * @param int $padding Optional. Default 2.
     */
    function __construct($padding = null)
    {
        if ($padding)
        {
            $this->_padding = $padding;
        }
    }

    /**
     * Renders the tree
     *
     * @param array $tree
     * @param int $level Optional
     * @return string
     */
    public function render(array $tree, $level = 0)
    {
        $output = '';

        foreach ($tree as $label => $next)
        {

            if (is_string($next))
            {
                $label = $next;
            }

            // Output the label
            $output .= sprintf("%s- %s\n", str_repeat(' ', $level * $this->_padding), $label);

            // Next level
            if (is_array($next))
            {
                $output .= $this->render($next, $level + 1);
            }

        }

        return $output;
    }

}
<?php
/**
 * PHP Command Line Tools
 *
 * This source file is subject to the MIT license that is bundled
 * with this package in the file LICENSE.
 *
 * @author    Ryan Sullivan <rsullivan@connectstudios.com>
 * @copyright 2010 James Logsdom (http://girsbrain.org)
 * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
 */

namespace cli\tree;

/**
 * Tree renderers are used to change how a tree is displayed.
 */
abstract class Renderer {

    /**
     * @param array $tree
     * @return string|null
     */
    abstract public function render(array $tree);

}
<?php
/**
 * PHP Command Line Tools
 *
 * This source file is subject to the MIT license that is bundled
 * with this package in the file LICENSE.
 *
 * @author    James Logsdon <dwarf@girsbrain.org>
 * @copyright 2010 James Logsdom (http://girsbrain.org)
 * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
 */

namespace cli;

/**
 * The `Shell` class is a utility class for shell related tasks such as
 * information on width.
 */
class Shell {

	/**
	 * Returns the number of columns the current shell has for display.
	 *
	 * @return int  The number of columns.
	 * @todo Test on more systems.
	 */
	static public function columns() {
		static $columns;

		if ( null === $columns ) {
			if (self::is_windows() ) {
				$output = array();
				exec('mode CON', $output);
				foreach ($output as $line) {
					if (preg_match('/Columns:( )*([0-9]+)/', $line, $matches)) {
						$columns = (int)$matches[2];
						break;
					}
				}
			} else if (!preg_match('/(^|,)(\s*)?exec(\s*)?(,|$)/', ini_get('disable_functions'))) {
				$columns = (int) exec('/usr/bin/env tput cols');
			}

			if ( !$columns ) {
				$columns = 80; // default width of cmd window on Windows OS
			}
		}

		return $columns;
	}

	/**
	 * Checks whether the output of the current script is a TTY or a pipe / redirect
	 *
	 * Returns true if STDOUT output is being redirected to a pipe or a file; false is
	 * output is being sent directly to the terminal.
	 *
	 * If an env variable SHELL_PIPE exists, returned result depends it's
	 * value. Strings like 1, 0, yes, no, that validate to booleans are accepted.
	 *
	 * To enable ASCII formatting even when shell is piped, use the
	 * ENV variable SHELL_PIPE=0
	 *
	 * @return bool
	 */
	static public function isPiped() {
		$shellPipe = getenv('SHELL_PIPE');

		if ($shellPipe !== false) {
			return filter_var($shellPipe, FILTER_VALIDATE_BOOLEAN);
		} else {
			return (function_exists('posix_isatty') && !posix_isatty(STDOUT));
		}
	}

	/**
	 * Uses `stty` to hide input/output completely.
	 * @param boolean $hidden Will hide/show the next data. Defaults to true.
	 */
	static public function hide($hidden = true) {
		system( 'stty ' . ( $hidden? '-echo' : 'echo' ) );
	}

	/**
	 * Is this shell in Windows?
	 *
	 * @return bool
	 */
	static private function is_windows() {
		return strtoupper(substr(PHP_OS, 0, 3)) === 'WIN';
	}

}

?>
<?php
/**
 * PHP Command Line Tools
 *
 * This source file is subject to the MIT license that is bundled
 * with this package in the file LICENSE.
 *
 * @author    James Logsdon <dwarf@girsbrain.org>
 * @copyright 2010 James Logsdom (http://girsbrain.org)
 * @license   http://www.opensource.org/licenses/mit-license.php The MIT License
 */

namespace cli;

/**
 * Change the color of text.
 *
 * Reference: http://graphcomp.com/info/specs/ansi_col.html#colors
 */
class Colors {
	static protected $_colors = array(
		'color' => array(
			'black'   => 30,
			'red'	 => 31,
			'green'   => 32,
			'yellow'  => 33,
			'blue'	=> 34,
			'magenta' => 35,
			'cyan'	=> 36,
			'white'   => 37
		),
		'style' => array(
			'bright'	 => 1,
			'dim'		=> 2,
			'underline' => 4,
			'blink'	  => 5,
			'reverse'	=> 7,
			'hidden'	 => 8
		),
		'background' => array(
			'black'   => 40,
			'red'	 => 41,
			'green'   => 42,
			'yellow'  => 43,
			'blue'	=> 44,
			'magenta' => 45,
			'cyan'	=> 46,
			'white'   => 47
		)
	);
	static protected $_enabled = null;

	static protected $_string_cache = array();

	static public function enable($force = true) {
		self::$_enabled = $force === true ? true : null;
	}

	static public function disable($force = true) {
		self::$_enabled = $force === true ? false : null;
	}

	/**
	 * Check if we should colorize output based on local flags and shell type.
	 *
	 * Only check the shell type if `Colors::$_enabled` is null and `$colored` is null.
	 */
	static public function shouldColorize($colored = null) {
		return self::$_enabled === true ||
			(self::$_enabled !== false &&
				($colored === true ||
					($colored !== false && Streams::isTty())));
	}

	/**
	 * Set the color.
	 *
	 * @param string  $color  The name of the color or style to set.
     * @return string
	 */
	static public function color($color) {
		if (!is_array($color)) {
			$color = compact('color');
		}

		$color += array('color' => null, 'style' => null, 'background' => null);

		if ($color['color'] == 'reset') {
			return "\033[0m";
		}

		$colors = array();
		foreach (array('color', 'style', 'background') as $type) {
			$code = @$color[$type];
			if (isset(self::$_colors[$type][$code])) {
				$colors[] = self::$_colors[$type][$code];
			}
		}

		if (empty($colors)) {
			$colors[] = 0;
		}

		return "\033[" . join(';', $colors) . "m";
	}

	/**
	 * Colorize a string using helpful string formatters. If the `Streams::$out` points to a TTY coloring will be enabled,
	 * otherwise disabled. You can control this check with the `$colored` parameter.
	 *
     * @param string   $string
	 * @param boolean  $colored  Force enable or disable the colorized output. If left as `null` the TTY will control coloring.
     * @return string
	 */
	static public function colorize($string, $colored = null) {
		$passed = $string;

		if (isset(self::$_string_cache[md5($passed)]['colorized'])) {
			return self::$_string_cache[md5($passed)]['colorized'];
		}

		if (!self::shouldColorize($colored)) {
			$colors = self::getColors();
			$search = array_keys( $colors );
			$return = str_replace( $search, '', $string );
			self::cacheString($passed, $return, $colored);
			return $return;
		}

		$string = str_replace('%%', '%Â¾', $string);

		foreach (self::getColors() as $key => $value) {
			$string = str_replace($key, self::color($value), $string);
		}

		$string = str_replace('%Â¾', '%', $string);
		self::cacheString($passed, $string, $colored);

		return $string;
	}

	/**
	 * Remove color information from a string.
	 *
	 * @param string $string A string with color information.
	 * @return string A string with color information removed.
	 */
	static public function decolorize($string) {
		// Get rid of color tokens if they exist
		$string = str_replace(array_keys(self::getColors()), '', $string);

		// Remove color encoding if it exists
		foreach (self::getColors() as $key => $value) {
			$string = str_replace(self::color($value), '', $string);
		}

		return $string;
	}

	/**
	 * Cache the original, colorized, and decolorized versions of a string.
	 *
	 * @param string $passed The original string before colorization.
	 * @param string $colorized The string after running through self::colorize.
	 * @param string $colored The string without any color information.
	 */
	static public function cacheString($passed, $colorized, $colored) {
		self::$_string_cache[md5($passed)] = array(
			'passed'      => $passed,
			'colorized'   => $colorized,
			'decolorized' => self::decolorize($passed)
		);
	}

	/**
	 * Return the length of the string without color codes.
	 *
	 * @param string  $string  the string to measure
     * @return string
	 */
	static public function length($string) {
		if (isset(self::$_string_cache[md5($string)]['decolorized'])) {
			$test_string = self::$_string_cache[md5($string)]['decolorized'];
		} else {
			$test_string = self::decolorize($string);
		}

		return safe_strlen($test_string);
	}

	/**
	 * Pad the string to a certain display length.
	 *
	 * @param string  $string  the string to pad
	 * @param integer  $length  the display length
     * @return string
	 */
	static public function pad($string, $length) {
		return safe_str_pad( $string, $length );
	}

	/**
	 * Get the color mapping array.
	 *
	 * @return array Array of color tokens mapped to colors and styles.
	 */
	static public function getColors() {
		return array(
			'%y' => array('color' => 'yellow'),
			'%g' => array('color' => 'green'),
			'%b' => array('color' => 'blue'),
			'%r' => array('color' => 'red'),
			'%p' => array('color' => 'magenta'),
			'%m' => array('color' => 'magenta'),
			'%c' => array('color' => 'cyan'),
			'%w' => array('color' => 'grey'),
			'%k' => array('color' => 'black'),
			'%n' => array('color' => 'reset'),
			'%Y' => array('color' => 'yellow', 'style' => 'bright'),
			'%G' => array('color' => 'green', 'style' => 'bright'),
			'%B' => array('color' => 'blue', 'style' => 'bright'),
			'%R' => array('color' => 'red', 'style' => 'bright'),
			'%P' => array('color' => 'magenta', 'style' => 'bright'),
			'%M' => array('color' => 'magenta', 'style' => 'bright'),
			'%C' => array('color' => 'cyan', 'style' => 'bright'),
			'%W' => array('color' => 'grey', 'style' => 'bright'),
			'%K' => array('color' => 'black', 'style' => 'bright'),
			'%N' => array('color' => 'reset', 'style' => 'bright'),
			'%3' => array('background' => 'yellow'),
			'%2' => array('background' => 'green'),
			'%4' => array('background' => 'blue'),
			'%1' => array('background' => 'red'),
			'%5' => array('background' => 'magenta'),
			'%6' => array('background' => 'cyan'),
			'%7' => array('background' => 'grey'),
			'%0' => array('background' => 'black'),
			'%F' => array('style' => 'blink'),
			'%U' => array('style' => 'underline'),
			'%8' => array('style' => 'inverse'),
			'%9' => array('style' => 'bright'),
			'%_' => array('style' => 'bright')
		);
	}

	/**
	 * Get the cached string values.
	 *
	 * @return array The cached string values.
	 */
	static public function getStringCache() {
		return self::$_string_cache;
	}

	/**
	 * Clear the string cache.
	 */
	static public function clearStringCache() {
		self::$_string_cache = array();
	}
}
<?php

error_reporting(-1);
require_once __DIR__ . '/vendor/autoload.php';


$args = new cli\Arguments(array(
	'flags' => array(
		'verbose' => array(
			'description' => 'Turn on verbose mode',
			'aliases'     => array('v')
		),
		'c' => array(
			'description' => 'A counter to test stackable',
			'stackable'   => true
		)
	),
	'options' => array(
		'user' => array(
			'description' => 'Username for authentication',
			'aliases'     => array('u')
		)
	),
	'strict' => true
));

try {
    $args->parse();
} catch (cli\InvalidArguments $e) {
    echo $e->getMessage() . "\n\n";
}

print_r($args->getArguments());
#!/usr/bin/env php
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * A shell script to create a single-file class cache of the entire Mustache
 * library.
 *
 *     $ bin/build_bootstrap.php
 *
 * ... will create a `mustache.php` bootstrap file in the project directory,
 * containing all Mustache library classes. This file can then be included in
 * your project, rather than requiring the Mustache Autoloader.
 */
$baseDir = realpath(dirname(__FILE__) . '/..');

require $baseDir . '/src/Mustache/Autoloader.php';
Mustache_Autoloader::register();

// delete the old file
$file = $baseDir . '/mustache.php';
if (file_exists($file)) {
    unlink($file);
}

// and load the new one
SymfonyClassCollectionLoader::load(array(
    'Mustache_Engine',
    'Mustache_Cache',
    'Mustache_Cache_AbstractCache',
    'Mustache_Cache_FilesystemCache',
    'Mustache_Cache_NoopCache',
    'Mustache_Compiler',
    'Mustache_Context',
    'Mustache_Exception',
    'Mustache_Exception_InvalidArgumentException',
    'Mustache_Exception_LogicException',
    'Mustache_Exception_RuntimeException',
    'Mustache_Exception_SyntaxException',
    'Mustache_Exception_UnknownFilterException',
    'Mustache_Exception_UnknownHelperException',
    'Mustache_Exception_UnknownTemplateException',
    'Mustache_HelperCollection',
    'Mustache_LambdaHelper',
    'Mustache_Loader',
    'Mustache_Loader_ArrayLoader',
    'Mustache_Loader_CascadingLoader',
    'Mustache_Loader_FilesystemLoader',
    'Mustache_Loader_InlineLoader',
    'Mustache_Loader_MutableLoader',
    'Mustache_Loader_StringLoader',
    'Mustache_Logger',
    'Mustache_Logger_AbstractLogger',
    'Mustache_Logger_StreamLogger',
    'Mustache_Parser',
    'Mustache_Template',
    'Mustache_Tokenizer',
), dirname($file), basename($file, '.php'));

/**
 * SymfonyClassCollectionLoader.
 *
 * Based heavily on the Symfony ClassCollectionLoader component, with all
 * the unnecessary bits removed.
 *
 * @license http://www.opensource.org/licenses/MIT
 * @author Fabien Potencier <fabien@symfony.com>
 */
class SymfonyClassCollectionLoader
{
    private static $loaded;

    const HEADER = <<<EOS
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-%d Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
EOS;

    /**
     * Loads a list of classes and caches them in one big file.
     *
     * @param array  $classes   An array of classes to load
     * @param string $cacheDir  A cache directory
     * @param string $name      The cache name prefix
     * @param string $extension File extension of the resulting file
     *
     * @throws InvalidArgumentException When class can't be loaded
     */
    public static function load(array $classes, $cacheDir, $name, $extension = '.php')
    {
        // each $name can only be loaded once per PHP process
        if (isset(self::$loaded[$name])) {
            return;
        }

        self::$loaded[$name] = true;

        $content = '';
        foreach ($classes as $class) {
            if (!class_exists($class) && !interface_exists($class) && (!function_exists('trait_exists') || !trait_exists($class))) {
                throw new InvalidArgumentException(sprintf('Unable to load class "%s"', $class));
            }

            $r = new ReflectionClass($class);
            $content .= preg_replace(array('/^\s*<\?php/', '/\?>\s*$/'), '', file_get_contents($r->getFileName()));
        }

        $cache  = $cacheDir . '/' . $name . $extension;
        $header = sprintf(self::HEADER, strftime('%Y'));
        self::writeCacheFile($cache, $header . substr(self::stripComments('<?php ' . $content), 5));
    }

    /**
     * Writes a cache file.
     *
     * @param string $file    Filename
     * @param string $content Temporary file content
     *
     * @throws RuntimeException when a cache file cannot be written
     */
    private static function writeCacheFile($file, $content)
    {
        $tmpFile = tempnam(dirname($file), basename($file));
        if (false !== @file_put_contents($tmpFile, $content) && @rename($tmpFile, $file)) {
            chmod($file, 0666 & ~umask());

            return;
        }

        throw new RuntimeException(sprintf('Failed to write cache file "%s".', $file));
    }

    /**
     * Removes comments from a PHP source string.
     *
     * We don't use the PHP php_strip_whitespace() function
     * as we want the content to be readable and well-formatted.
     *
     * @param string $source A PHP string
     *
     * @return string The PHP string with the comments removed
     */
    private static function stripComments($source)
    {
        if (!function_exists('token_get_all')) {
            return $source;
        }

        $output = '';
        foreach (token_get_all($source) as $token) {
            if (is_string($token)) {
                $output .= $token;
            } elseif (!in_array($token[0], array(T_COMMENT, T_DOC_COMMENT))) {
                $output .= $token[1];
            }
        }

        // replace multiple new lines with a single newline
        $output = preg_replace(array('/\s+$/Sm', '/\n+/S'), "\n", $output);

        return $output;
    }
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Abstract Mustache Cache class.
 *
 * Provides logging support to child implementations.
 *
 * @abstract
 */
abstract class Mustache_Cache_AbstractCache implements Mustache_Cache
{
    private $logger = null;

    /**
     * Get the current logger instance.
     *
     * @return Mustache_Logger|Psr\Log\LoggerInterface
     */
    public function getLogger()
    {
        return $this->logger;
    }

    /**
     * Set a logger instance.
     *
     * @param Mustache_Logger|Psr\Log\LoggerInterface $logger
     */
    public function setLogger($logger = null)
    {
        if ($logger !== null && !($logger instanceof Mustache_Logger || is_a($logger, 'Psr\\Log\\LoggerInterface'))) {
            throw new Mustache_Exception_InvalidArgumentException('Expected an instance of Mustache_Logger or Psr\\Log\\LoggerInterface.');
        }

        $this->logger = $logger;
    }

    /**
     * Add a log record if logging is enabled.
     *
     * @param int    $level   The logging level
     * @param string $message The log message
     * @param array  $context The log context
     */
    protected function log($level, $message, array $context = array())
    {
        if (isset($this->logger)) {
            $this->logger->log($level, $message, $context);
        }
    }
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Mustache Cache filesystem implementation.
 *
 * A FilesystemCache instance caches Mustache Template classes from the filesystem by name:
 *
 *     $cache = new Mustache_Cache_FilesystemCache(dirname(__FILE__).'/cache');
 *     $cache->cache($className, $compiledSource);
 *
 * The FilesystemCache benefits from any opcode caching that may be setup in your environment. So do that, k?
 */
class Mustache_Cache_FilesystemCache extends Mustache_Cache_AbstractCache
{
    private $baseDir;
    private $fileMode;

    /**
     * Filesystem cache constructor.
     *
     * @param string $baseDir  Directory for compiled templates.
     * @param int    $fileMode Override default permissions for cache files. Defaults to using the system-defined umask.
     */
    public function __construct($baseDir, $fileMode = null)
    {
        $this->baseDir = $baseDir;
        $this->fileMode = $fileMode;
    }

    /**
     * Load the class from cache using `require_once`.
     *
     * @param string $key
     *
     * @return bool
     */
    public function load($key)
    {
        $fileName = $this->getCacheFilename($key);
        if (!is_file($fileName)) {
            return false;
        }

        require_once $fileName;

        return true;
    }

    /**
     * Cache and load the compiled class.
     *
     * @param string $key
     * @param string $value
     */
    public function cache($key, $value)
    {
        $fileName = $this->getCacheFilename($key);

        $this->log(
            Mustache_Logger::DEBUG,
            'Writing to template cache: "{fileName}"',
            array('fileName' => $fileName)
        );

        $this->writeFile($fileName, $value);
        $this->load($key);
    }

    /**
     * Build the cache filename.
     * Subclasses should override for custom cache directory structures.
     *
     * @param string $name
     *
     * @return string
     */
    protected function getCacheFilename($name)
    {
        return sprintf('%s/%s.php', $this->baseDir, $name);
    }

    /**
     * Create cache directory.
     *
     * @throws Mustache_Exception_RuntimeException If unable to create directory
     *
     * @param string $fileName
     *
     * @return string
     */
    private function buildDirectoryForFilename($fileName)
    {
        $dirName = dirname($fileName);
        if (!is_dir($dirName)) {
            $this->log(
                Mustache_Logger::INFO,
                'Creating Mustache template cache directory: "{dirName}"',
                array('dirName' => $dirName)
            );

            @mkdir($dirName, 0777, true);
            if (!is_dir($dirName)) {
                throw new Mustache_Exception_RuntimeException(sprintf('Failed to create cache directory "%s".', $dirName));
            }
        }

        return $dirName;
    }

    /**
     * Write cache file.
     *
     * @throws Mustache_Exception_RuntimeException If unable to write file
     *
     * @param string $fileName
     * @param string $value
     */
    private function writeFile($fileName, $value)
    {
        $dirName = $this->buildDirectoryForFilename($fileName);

        $this->log(
            Mustache_Logger::DEBUG,
            'Caching compiled template to "{fileName}"',
            array('fileName' => $fileName)
        );

        $tempFile = tempnam($dirName, basename($fileName));
        if (false !== @file_put_contents($tempFile, $value)) {
            if (@rename($tempFile, $fileName)) {
                $mode = isset($this->fileMode) ? $this->fileMode : (0666 & ~umask());
                @chmod($fileName, $mode);

                return;
            }

            $this->log(
                Mustache_Logger::ERROR,
                'Unable to rename Mustache temp cache file: "{tempName}" -> "{fileName}"',
                array('tempName' => $tempFile, 'fileName' => $fileName)
            );
        }

        throw new Mustache_Exception_RuntimeException(sprintf('Failed to write cache file "%s".', $fileName));
    }
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Mustache Cache in-memory implementation.
 *
 * The in-memory cache is used for uncached lambda section templates. It's also useful during development, but is not
 * recommended for production use.
 */
class Mustache_Cache_NoopCache extends Mustache_Cache_AbstractCache
{
    /**
     * Loads nothing. Move along.
     *
     * @param string $key
     *
     * @return bool
     */
    public function load($key)
    {
        return false;
    }

    /**
     * Loads the compiled Mustache Template class without caching.
     *
     * @param string $key
     * @param string $value
     */
    public function cache($key, $value)
    {
        $this->log(
            Mustache_Logger::WARNING,
            'Template cache disabled, evaluating "{className}" class at runtime',
            array('className' => $key)
        );
        eval('?>' . $value);
    }
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Invalid argument exception.
 */
class Mustache_Exception_InvalidArgumentException extends InvalidArgumentException implements Mustache_Exception
{
    // This space intentionally left blank.
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Logic exception.
 */
class Mustache_Exception_LogicException extends LogicException implements Mustache_Exception
{
    // This space intentionally left blank.
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Runtime exception.
 */
class Mustache_Exception_RuntimeException extends RuntimeException implements Mustache_Exception
{
    // This space intentionally left blank.
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Mustache syntax exception.
 */
class Mustache_Exception_SyntaxException extends LogicException implements Mustache_Exception
{
    protected $token;

    /**
     * @param string $msg
     * @param array  $token
     */
    public function __construct($msg, array $token)
    {
        $this->token = $token;
        parent::__construct($msg);
    }

    /**
     * @return array
     */
    public function getToken()
    {
        return $this->token;
    }
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Unknown filter exception.
 */
class Mustache_Exception_UnknownFilterException extends UnexpectedValueException implements Mustache_Exception
{
    protected $filterName;

    /**
     * @param string $filterName
     */
    public function __construct($filterName)
    {
        $this->filterName = $filterName;
        parent::__construct(sprintf('Unknown filter: %s', $filterName));
    }

    public function getFilterName()
    {
        return $this->filterName;
    }
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Unknown helper exception.
 */
class Mustache_Exception_UnknownHelperException extends InvalidArgumentException implements Mustache_Exception
{
    protected $helperName;

    /**
     * @param string $helperName
     */
    public function __construct($helperName)
    {
        $this->helperName = $helperName;
        parent::__construct(sprintf('Unknown helper: %s', $helperName));
    }

    public function getHelperName()
    {
        return $this->helperName;
    }
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Unknown template exception.
 */
class Mustache_Exception_UnknownTemplateException extends InvalidArgumentException implements Mustache_Exception
{
    protected $templateName;

    /**
     * @param string $templateName
     */
    public function __construct($templateName)
    {
        $this->templateName = $templateName;
        parent::__construct(sprintf('Unknown template: %s', $templateName));
    }

    public function getTemplateName()
    {
        return $this->templateName;
    }
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Mustache Template array Loader implementation.
 *
 * An ArrayLoader instance loads Mustache Template source by name from an initial array:
 *
 *     $loader = new ArrayLoader(
 *         'foo' => '{{ bar }}',
 *         'baz' => 'Hey {{ qux }}!'
 *     );
 *
 *     $tpl = $loader->load('foo'); // '{{ bar }}'
 *
 * The ArrayLoader is used internally as a partials loader by Mustache_Engine instance when an array of partials
 * is set. It can also be used as a quick-and-dirty Template loader.
 */
class Mustache_Loader_ArrayLoader implements Mustache_Loader, Mustache_Loader_MutableLoader
{
    private $templates;

    /**
     * ArrayLoader constructor.
     *
     * @param array $templates Associative array of Template source (default: array())
     */
    public function __construct(array $templates = array())
    {
        $this->templates = $templates;
    }

    /**
     * Load a Template.
     *
     * @throws Mustache_Exception_UnknownTemplateException If a template file is not found.
     *
     * @param string $name
     *
     * @return string Mustache Template source
     */
    public function load($name)
    {
        if (!isset($this->templates[$name])) {
            throw new Mustache_Exception_UnknownTemplateException($name);
        }

        return $this->templates[$name];
    }

    /**
     * Set an associative array of Template sources for this loader.
     *
     * @param array $templates
     */
    public function setTemplates(array $templates)
    {
        $this->templates = $templates;
    }

    /**
     * Set a Template source by name.
     *
     * @param string $name
     * @param string $template Mustache Template source
     */
    public function setTemplate($name, $template)
    {
        $this->templates[$name] = $template;
    }
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * A Mustache Template cascading loader implementation, which delegates to other
 * Loader instances.
 */
class Mustache_Loader_CascadingLoader implements Mustache_Loader
{
    private $loaders;

    /**
     * Construct a CascadingLoader with an array of loaders.
     *
     *     $loader = new Mustache_Loader_CascadingLoader(array(
     *         new Mustache_Loader_InlineLoader(__FILE__, __COMPILER_HALT_OFFSET__),
     *         new Mustache_Loader_FilesystemLoader(__DIR__.'/templates')
     *     ));
     *
     * @param Mustache_Loader[] $loaders
     */
    public function __construct(array $loaders = array())
    {
        $this->loaders = array();
        foreach ($loaders as $loader) {
            $this->addLoader($loader);
        }
    }

    /**
     * Add a Loader instance.
     *
     * @param Mustache_Loader $loader
     */
    public function addLoader(Mustache_Loader $loader)
    {
        $this->loaders[] = $loader;
    }

    /**
     * Load a Template by name.
     *
     * @throws Mustache_Exception_UnknownTemplateException If a template file is not found.
     *
     * @param string $name
     *
     * @return string Mustache Template source
     */
    public function load($name)
    {
        foreach ($this->loaders as $loader) {
            try {
                return $loader->load($name);
            } catch (Mustache_Exception_UnknownTemplateException $e) {
                // do nothing, check the next loader.
            }
        }

        throw new Mustache_Exception_UnknownTemplateException($name);
    }
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Mustache Template filesystem Loader implementation.
 *
 * A FilesystemLoader instance loads Mustache Template source from the filesystem by name:
 *
 *     $loader = new Mustache_Loader_FilesystemLoader(dirname(__FILE__).'/views');
 *     $tpl = $loader->load('foo'); // equivalent to `file_get_contents(dirname(__FILE__).'/views/foo.mustache');
 *
 * This is probably the most useful Mustache Loader implementation. It can be used for partials and normal Templates:
 *
 *     $m = new Mustache(array(
 *          'loader'          => new Mustache_Loader_FilesystemLoader(dirname(__FILE__).'/views'),
 *          'partials_loader' => new Mustache_Loader_FilesystemLoader(dirname(__FILE__).'/views/partials'),
 *     ));
 */
class Mustache_Loader_FilesystemLoader implements Mustache_Loader
{
    private $baseDir;
    private $extension = '.mustache';
    private $templates = array();

    /**
     * Mustache filesystem Loader constructor.
     *
     * Passing an $options array allows overriding certain Loader options during instantiation:
     *
     *     $options = array(
     *         // The filename extension used for Mustache templates. Defaults to '.mustache'
     *         'extension' => '.ms',
     *     );
     *
     * @throws Mustache_Exception_RuntimeException if $baseDir does not exist.
     *
     * @param string $baseDir Base directory containing Mustache template files.
     * @param array  $options Array of Loader options (default: array())
     */
    public function __construct($baseDir, array $options = array())
    {
        $this->baseDir = $baseDir;

        if (strpos($this->baseDir, '://') === false) {
            $this->baseDir = realpath($this->baseDir);
        }

        if (!is_dir($this->baseDir)) {
            throw new Mustache_Exception_RuntimeException(sprintf('FilesystemLoader baseDir must be a directory: %s', $baseDir));
        }

        if (array_key_exists('extension', $options)) {
            if (empty($options['extension'])) {
                $this->extension = '';
            } else {
                $this->extension = '.' . ltrim($options['extension'], '.');
            }
        }
    }

    /**
     * Load a Template by name.
     *
     *     $loader = new Mustache_Loader_FilesystemLoader(dirname(__FILE__).'/views');
     *     $loader->load('admin/dashboard'); // loads "./views/admin/dashboard.mustache";
     *
     * @param string $name
     *
     * @return string Mustache Template source
     */
    public function load($name)
    {
        if (!isset($this->templates[$name])) {
            $this->templates[$name] = $this->loadFile($name);
        }

        return $this->templates[$name];
    }

    /**
     * Helper function for loading a Mustache file by name.
     *
     * @throws Mustache_Exception_UnknownTemplateException If a template file is not found.
     *
     * @param string $name
     *
     * @return string Mustache Template source
     */
    protected function loadFile($name)
    {
        $fileName = $this->getFileName($name);

        if (!file_exists($fileName)) {
            throw new Mustache_Exception_UnknownTemplateException($name);
        }

        return file_get_contents($fileName);
    }

    /**
     * Helper function for getting a Mustache template file name.
     *
     * @param string $name
     *
     * @return string Template file name
     */
    protected function getFileName($name)
    {
        $fileName = $this->baseDir . '/' . $name;
        if (substr($fileName, 0 - strlen($this->extension)) !== $this->extension) {
            $fileName .= $this->extension;
        }

        return $fileName;
    }
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * A Mustache Template loader for inline templates.
 *
 * With the InlineLoader, templates can be defined at the end of any PHP source
 * file:
 *
 *     $loader  = new Mustache_Loader_InlineLoader(__FILE__, __COMPILER_HALT_OFFSET__);
 *     $hello   = $loader->load('hello');
 *     $goodbye = $loader->load('goodbye');
 *
 *     __halt_compiler();
 *
 *     @@ hello
 *     Hello, {{ planet }}!
 *
 *     @@ goodbye
 *     Goodbye, cruel {{ planet }}
 *
 * Templates are deliniated by lines containing only `@@ name`.
 *
 * The InlineLoader is well-suited to micro-frameworks such as Silex:
 *
 *     $app->register(new MustacheServiceProvider, array(
 *         'mustache.loader' => new Mustache_Loader_InlineLoader(__FILE__, __COMPILER_HALT_OFFSET__)
 *     ));
 *
 *     $app->get('/{name}', function ($name) use ($app) {
 *         return $app['mustache']->render('hello', compact('name'));
 *     })
 *     ->value('name', 'world');
 *
 *     // ...
 *
 *     __halt_compiler();
 *
 *     @@ hello
 *     Hello, {{ name }}!
 */
class Mustache_Loader_InlineLoader implements Mustache_Loader
{
    protected $fileName;
    protected $offset;
    protected $templates;

    /**
     * The InlineLoader requires a filename and offset to process templates.
     *
     * The magic constants `__FILE__` and `__COMPILER_HALT_OFFSET__` are usually
     * perfectly suited to the job:
     *
     *     $loader = new Mustache_Loader_InlineLoader(__FILE__, __COMPILER_HALT_OFFSET__);
     *
     * Note that this only works if the loader is instantiated inside the same
     * file as the inline templates. If the templates are located in another
     * file, it would be necessary to manually specify the filename and offset.
     *
     * @param string $fileName The file to parse for inline templates
     * @param int    $offset   A string offset for the start of the templates.
     *                         This usually coincides with the `__halt_compiler`
     *                         call, and the `__COMPILER_HALT_OFFSET__`.
     */
    public function __construct($fileName, $offset)
    {
        if (!is_file($fileName)) {
            throw new Mustache_Exception_InvalidArgumentException('InlineLoader expects a valid filename.');
        }

        if (!is_int($offset) || $offset < 0) {
            throw new Mustache_Exception_InvalidArgumentException('InlineLoader expects a valid file offset.');
        }

        $this->fileName = $fileName;
        $this->offset   = $offset;
    }

    /**
     * Load a Template by name.
     *
     * @throws Mustache_Exception_UnknownTemplateException If a template file is not found.
     *
     * @param string $name
     *
     * @return string Mustache Template source
     */
    public function load($name)
    {
        $this->loadTemplates();

        if (!array_key_exists($name, $this->templates)) {
            throw new Mustache_Exception_UnknownTemplateException($name);
        }

        return $this->templates[$name];
    }

    /**
     * Parse and load templates from the end of a source file.
     */
    protected function loadTemplates()
    {
        if ($this->templates === null) {
            $this->templates = array();
            $data = file_get_contents($this->fileName, false, null, $this->offset);
            foreach (preg_split("/^@@(?= [\w\d\.]+$)/m", $data, -1) as $chunk) {
                if (trim($chunk)) {
                    list($name, $content)         = explode("\n", $chunk, 2);
                    $this->templates[trim($name)] = trim($content);
                }
            }
        }
    }
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Mustache Template mutable Loader interface.
 */
interface Mustache_Loader_MutableLoader
{
    /**
     * Set an associative array of Template sources for this loader.
     *
     * @param array $templates
     */
    public function setTemplates(array $templates);

    /**
     * Set a Template source by name.
     *
     * @param string $name
     * @param string $template Mustache Template source
     */
    public function setTemplate($name, $template);
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Mustache Template string Loader implementation.
 *
 * A StringLoader instance is essentially a noop. It simply passes the 'name' argument straight through:
 *
 *     $loader = new StringLoader;
 *     $tpl = $loader->load('{{ foo }}'); // '{{ foo }}'
 *
 * This is the default Template Loader instance used by Mustache:
 *
 *     $m = new Mustache;
 *     $tpl = $m->loadTemplate('{{ foo }}');
 *     echo $tpl->render(array('foo' => 'bar')); // "bar"
 */
class Mustache_Loader_StringLoader implements Mustache_Loader
{
    /**
     * Load a Template by source.
     *
     * @param string $name Mustache Template source
     *
     * @return string Mustache Template source
     */
    public function load($name)
    {
        return $name;
    }
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * This is a simple Logger implementation that other Loggers can inherit from.
 *
 * This is identical to the Psr\Log\AbstractLogger.
 *
 * It simply delegates all log-level-specific methods to the `log` method to
 * reduce boilerplate code that a simple Logger that does the same thing with
 * messages regardless of the error level has to implement.
 */
abstract class Mustache_Logger_AbstractLogger implements Mustache_Logger
{
    /**
     * System is unusable.
     *
     * @param string $message
     * @param array  $context
     */
    public function emergency($message, array $context = array())
    {
        $this->log(Mustache_Logger::EMERGENCY, $message, $context);
    }

    /**
     * Action must be taken immediately.
     *
     * Example: Entire website down, database unavailable, etc. This should
     * trigger the SMS alerts and wake you up.
     *
     * @param string $message
     * @param array  $context
     */
    public function alert($message, array $context = array())
    {
        $this->log(Mustache_Logger::ALERT, $message, $context);
    }

    /**
     * Critical conditions.
     *
     * Example: Application component unavailable, unexpected exception.
     *
     * @param string $message
     * @param array  $context
     */
    public function critical($message, array $context = array())
    {
        $this->log(Mustache_Logger::CRITICAL, $message, $context);
    }

    /**
     * Runtime errors that do not require immediate action but should typically
     * be logged and monitored.
     *
     * @param string $message
     * @param array  $context
     */
    public function error($message, array $context = array())
    {
        $this->log(Mustache_Logger::ERROR, $message, $context);
    }

    /**
     * Exceptional occurrences that are not errors.
     *
     * Example: Use of deprecated APIs, poor use of an API, undesirable things
     * that are not necessarily wrong.
     *
     * @param string $message
     * @param array  $context
     */
    public function warning($message, array $context = array())
    {
        $this->log(Mustache_Logger::WARNING, $message, $context);
    }

    /**
     * Normal but significant events.
     *
     * @param string $message
     * @param array  $context
     */
    public function notice($message, array $context = array())
    {
        $this->log(Mustache_Logger::NOTICE, $message, $context);
    }

    /**
     * Interesting events.
     *
     * Example: User logs in, SQL logs.
     *
     * @param string $message
     * @param array  $context
     */
    public function info($message, array $context = array())
    {
        $this->log(Mustache_Logger::INFO, $message, $context);
    }

    /**
     * Detailed debug information.
     *
     * @param string $message
     * @param array  $context
     */
    public function debug($message, array $context = array())
    {
        $this->log(Mustache_Logger::DEBUG, $message, $context);
    }
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * A Mustache Stream Logger.
 *
 * The Stream Logger wraps a file resource instance (such as a stream) or a
 * stream URL. All log messages over the threshold level will be appended to
 * this stream.
 *
 * Hint: Try `php://stderr` for your stream URL.
 */
class Mustache_Logger_StreamLogger extends Mustache_Logger_AbstractLogger
{
    protected static $levels = array(
        self::DEBUG     => 100,
        self::INFO      => 200,
        self::NOTICE    => 250,
        self::WARNING   => 300,
        self::ERROR     => 400,
        self::CRITICAL  => 500,
        self::ALERT     => 550,
        self::EMERGENCY => 600,
    );

    protected $level;
    protected $stream = null;
    protected $url    = null;

    /**
     * @throws InvalidArgumentException if the logging level is unknown.
     *
     * @param resource|string $stream Resource instance or URL
     * @param int             $level  The minimum logging level at which this handler will be triggered
     */
    public function __construct($stream, $level = Mustache_Logger::ERROR)
    {
        $this->setLevel($level);

        if (is_resource($stream)) {
            $this->stream = $stream;
        } else {
            $this->url = $stream;
        }
    }

    /**
     * Close stream resources.
     */
    public function __destruct()
    {
        if (is_resource($this->stream)) {
            fclose($this->stream);
        }
    }

    /**
     * Set the minimum logging level.
     *
     * @throws Mustache_Exception_InvalidArgumentException if the logging level is unknown.
     *
     * @param int $level The minimum logging level which will be written
     */
    public function setLevel($level)
    {
        if (!array_key_exists($level, self::$levels)) {
            throw new Mustache_Exception_InvalidArgumentException(sprintf('Unexpected logging level: %s', $level));
        }

        $this->level = $level;
    }

    /**
     * Get the current minimum logging level.
     *
     * @return int
     */
    public function getLevel()
    {
        return $this->level;
    }

    /**
     * Logs with an arbitrary level.
     *
     * @throws Mustache_Exception_InvalidArgumentException if the logging level is unknown.
     *
     * @param mixed  $level
     * @param string $message
     * @param array  $context
     */
    public function log($level, $message, array $context = array())
    {
        if (!array_key_exists($level, self::$levels)) {
            throw new Mustache_Exception_InvalidArgumentException(sprintf('Unexpected logging level: %s', $level));
        }

        if (self::$levels[$level] >= self::$levels[$this->level]) {
            $this->writeLog($level, $message, $context);
        }
    }

    /**
     * Write a record to the log.
     *
     * @throws Mustache_Exception_LogicException   If neither a stream resource nor url is present.
     * @throws Mustache_Exception_RuntimeException If the stream url cannot be opened.
     *
     * @param int    $level   The logging level
     * @param string $message The log message
     * @param array  $context The log context
     */
    protected function writeLog($level, $message, array $context = array())
    {
        if (!is_resource($this->stream)) {
            if (!isset($this->url)) {
                throw new Mustache_Exception_LogicException('Missing stream url, the stream can not be opened. This may be caused by a premature call to close().');
            }

            $this->stream = fopen($this->url, 'a');
            if (!is_resource($this->stream)) {
                // @codeCoverageIgnoreStart
                throw new Mustache_Exception_RuntimeException(sprintf('The stream or file "%s" could not be opened.', $this->url));
                // @codeCoverageIgnoreEnd
            }
        }

        fwrite($this->stream, self::formatLine($level, $message, $context));
    }

    /**
     * Gets the name of the logging level.
     *
     * @throws InvalidArgumentException if the logging level is unknown.
     *
     * @param int $level
     *
     * @return string
     */
    protected static function getLevelName($level)
    {
        return strtoupper($level);
    }

    /**
     * Format a log line for output.
     *
     * @param int    $level   The logging level
     * @param string $message The log message
     * @param array  $context The log context
     *
     * @return string
     */
    protected static function formatLine($level, $message, array $context = array())
    {
        return sprintf(
            "%s: %s\n",
            self::getLevelName($level),
            self::interpolateMessage($message, $context)
        );
    }

    /**
     * Interpolate context values into the message placeholders.
     *
     * @param string $message
     * @param array  $context
     *
     * @return string
     */
    protected static function interpolateMessage($message, array $context = array())
    {
        if (strpos($message, '{') === false) {
            return $message;
        }

        // build a replacement array with braces around the context keys
        $replace = array();
        foreach ($context as $key => $val) {
            $replace['{' . $key . '}'] = $val;
        }

        // interpolate replacement values into the the message and return
        return strtr($message, $replace);
    }
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Mustache class autoloader.
 */
class Mustache_Autoloader
{
    private $baseDir;

    /**
     * Autoloader constructor.
     *
     * @param string $baseDir Mustache library base directory (default: dirname(__FILE__).'/..')
     */
    public function __construct($baseDir = null)
    {
        if ($baseDir === null) {
            $baseDir = dirname(__FILE__) . '/..';
        }

        // realpath doesn't always work, for example, with stream URIs
        $realDir = realpath($baseDir);
        if (is_dir($realDir)) {
            $this->baseDir = $realDir;
        } else {
            $this->baseDir = $baseDir;
        }
    }

    /**
     * Register a new instance as an SPL autoloader.
     *
     * @param string $baseDir Mustache library base directory (default: dirname(__FILE__).'/..')
     *
     * @return Mustache_Autoloader Registered Autoloader instance
     */
    public static function register($baseDir = null)
    {
        $loader = new self($baseDir);
        spl_autoload_register(array($loader, 'autoload'));

        return $loader;
    }

    /**
     * Autoload Mustache classes.
     *
     * @param string $class
     */
    public function autoload($class)
    {
        if ($class[0] === '\\') {
            $class = substr($class, 1);
        }

        if (strpos($class, 'Mustache') !== 0) {
            return;
        }

        $file = sprintf('%s/%s.php', $this->baseDir, str_replace('_', '/', $class));
        if (is_file($file)) {
            require $file;
        }
    }
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Mustache Cache interface.
 *
 * Interface for caching and loading Mustache_Template classes
 * generated by the Mustache_Compiler.
 */
interface Mustache_Cache
{
    /**
     * Load a compiled Mustache_Template class from cache.
     *
     * @param string $key
     *
     * @return bool indicates successfully class load
     */
    public function load($key);

    /**
     * Cache and load a compiled Mustache_Template class.
     *
     * @param string $key
     * @param string $value
     */
    public function cache($key, $value);
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Mustache Compiler class.
 *
 * This class is responsible for turning a Mustache token parse tree into normal PHP source code.
 */
class Mustache_Compiler
{
    private $pragmas;
    private $defaultPragmas = array();
    private $sections;
    private $blocks;
    private $source;
    private $indentNextLine;
    private $customEscape;
    private $entityFlags;
    private $charset;
    private $strictCallables;

    /**
     * Compile a Mustache token parse tree into PHP source code.
     *
     * @param string $source          Mustache Template source code
     * @param string $tree            Parse tree of Mustache tokens
     * @param string $name            Mustache Template class name
     * @param bool   $customEscape    (default: false)
     * @param string $charset         (default: 'UTF-8')
     * @param bool   $strictCallables (default: false)
     * @param int    $entityFlags     (default: ENT_COMPAT)
     *
     * @return string Generated PHP source code
     */
    public function compile($source, array $tree, $name, $customEscape = false, $charset = 'UTF-8', $strictCallables = false, $entityFlags = ENT_COMPAT)
    {
        $this->pragmas         = $this->defaultPragmas;
        $this->sections        = array();
        $this->blocks          = array();
        $this->source          = $source;
        $this->indentNextLine  = true;
        $this->customEscape    = $customEscape;
        $this->entityFlags     = $entityFlags;
        $this->charset         = $charset;
        $this->strictCallables = $strictCallables;

        return $this->writeCode($tree, $name);
    }

    /**
     * Enable pragmas across all templates, regardless of the presence of pragma
     * tags in the individual templates.
     *
     * @internal Users should set global pragmas in Mustache_Engine, not here :)
     *
     * @param string[] $pragmas
     */
    public function setPragmas(array $pragmas)
    {
        $this->pragmas = array();
        foreach ($pragmas as $pragma) {
            $this->pragmas[$pragma] = true;
        }
        $this->defaultPragmas = $this->pragmas;
    }

    /**
     * Helper function for walking the Mustache token parse tree.
     *
     * @throws Mustache_Exception_SyntaxException upon encountering unknown token types.
     *
     * @param array $tree  Parse tree of Mustache tokens
     * @param int   $level (default: 0)
     *
     * @return string Generated PHP source code
     */
    private function walk(array $tree, $level = 0)
    {
        $code = '';
        $level++;
        foreach ($tree as $node) {
            switch ($node[Mustache_Tokenizer::TYPE]) {
                case Mustache_Tokenizer::T_PRAGMA:
                    $this->pragmas[$node[Mustache_Tokenizer::NAME]] = true;
                    break;

                case Mustache_Tokenizer::T_SECTION:
                    $code .= $this->section(
                        $node[Mustache_Tokenizer::NODES],
                        $node[Mustache_Tokenizer::NAME],
                        isset($node[Mustache_Tokenizer::FILTERS]) ? $node[Mustache_Tokenizer::FILTERS] : array(),
                        $node[Mustache_Tokenizer::INDEX],
                        $node[Mustache_Tokenizer::END],
                        $node[Mustache_Tokenizer::OTAG],
                        $node[Mustache_Tokenizer::CTAG],
                        $level
                    );
                    break;

                case Mustache_Tokenizer::T_INVERTED:
                    $code .= $this->invertedSection(
                        $node[Mustache_Tokenizer::NODES],
                        $node[Mustache_Tokenizer::NAME],
                        isset($node[Mustache_Tokenizer::FILTERS]) ? $node[Mustache_Tokenizer::FILTERS] : array(),
                        $level
                    );
                    break;

                case Mustache_Tokenizer::T_PARTIAL:
                    $code .= $this->partial(
                        $node[Mustache_Tokenizer::NAME],
                        isset($node[Mustache_Tokenizer::INDENT]) ? $node[Mustache_Tokenizer::INDENT] : '',
                        $level
                    );
                    break;

                case Mustache_Tokenizer::T_PARENT:
                    $code .= $this->parent(
                        $node[Mustache_Tokenizer::NAME],
                        isset($node[Mustache_Tokenizer::INDENT]) ? $node[Mustache_Tokenizer::INDENT] : '',
                        $node[Mustache_Tokenizer::NODES],
                        $level
                    );
                    break;

                case Mustache_Tokenizer::T_BLOCK_ARG:
                    $code .= $this->blockArg(
                        $node[Mustache_Tokenizer::NODES],
                        $node[Mustache_Tokenizer::NAME],
                        $node[Mustache_Tokenizer::INDEX],
                        $node[Mustache_Tokenizer::END],
                        $node[Mustache_Tokenizer::OTAG],
                        $node[Mustache_Tokenizer::CTAG],
                        $level
                    );
                    break;

                case Mustache_Tokenizer::T_BLOCK_VAR:
                    $code .= $this->blockVar(
                        $node[Mustache_Tokenizer::NODES],
                        $node[Mustache_Tokenizer::NAME],
                        $node[Mustache_Tokenizer::INDEX],
                        $node[Mustache_Tokenizer::END],
                        $node[Mustache_Tokenizer::OTAG],
                        $node[Mustache_Tokenizer::CTAG],
                        $level
                    );
                    break;

                case Mustache_Tokenizer::T_COMMENT:
                    break;

                case Mustache_Tokenizer::T_ESCAPED:
                case Mustache_Tokenizer::T_UNESCAPED:
                case Mustache_Tokenizer::T_UNESCAPED_2:
                    $code .= $this->variable(
                        $node[Mustache_Tokenizer::NAME],
                        isset($node[Mustache_Tokenizer::FILTERS]) ? $node[Mustache_Tokenizer::FILTERS] : array(),
                        $node[Mustache_Tokenizer::TYPE] === Mustache_Tokenizer::T_ESCAPED,
                        $level
                    );
                    break;

                case Mustache_Tokenizer::T_TEXT:
                    $code .= $this->text($node[Mustache_Tokenizer::VALUE], $level);
                    break;

                default:
                    throw new Mustache_Exception_SyntaxException(sprintf('Unknown token type: %s', $node[Mustache_Tokenizer::TYPE]), $node);
            }
        }

        return $code;
    }

    const KLASS = '<?php

        class %s extends Mustache_Template
        {
            private $lambdaHelper;%s

            public function renderInternal(Mustache_Context $context, $indent = \'\')
            {
                $this->lambdaHelper = new Mustache_LambdaHelper($this->mustache, $context);
                $buffer = \'\';
                $newContext = array();
        %s

                return $buffer;
            }
        %s
        %s
        }';

    const KLASS_NO_LAMBDAS = '<?php

        class %s extends Mustache_Template
        {%s
            public function renderInternal(Mustache_Context $context, $indent = \'\')
            {
                $buffer = \'\';
                $newContext = array();
        %s

                return $buffer;
            }
        }';

    const STRICT_CALLABLE = 'protected $strictCallables = true;';

    /**
     * Generate Mustache Template class PHP source.
     *
     * @param array  $tree Parse tree of Mustache tokens
     * @param string $name Mustache Template class name
     *
     * @return string Generated PHP source code
     */
    private function writeCode($tree, $name)
    {
        $code     = $this->walk($tree);
        $sections = implode("\n", $this->sections);
        $blocks   = implode("\n", $this->blocks);
        $klass    = empty($this->sections) && empty($this->blocks) ? self::KLASS_NO_LAMBDAS : self::KLASS;

        $callable = $this->strictCallables ? $this->prepare(self::STRICT_CALLABLE) : '';

        return sprintf($this->prepare($klass, 0, false, true), $name, $callable, $code, $sections, $blocks);
    }

    const BLOCK_VAR = '
        $blockFunction = $context->findInBlock(%s);
        if (is_callable($blockFunction)) {
            $buffer .= call_user_func($blockFunction, $context);
        } else {%s
        }
    ';

    /**
     * Generate Mustache Template inheritance block variable PHP source.
     *
     * @param array  $nodes Array of child tokens
     * @param string $id    Section name
     * @param int    $start Section start offset
     * @param int    $end   Section end offset
     * @param string $otag  Current Mustache opening tag
     * @param string $ctag  Current Mustache closing tag
     * @param int    $level
     *
     * @return string Generated PHP source code
     */
    private function blockVar($nodes, $id, $start, $end, $otag, $ctag, $level)
    {
        $id = var_export($id, true);

        return sprintf($this->prepare(self::BLOCK_VAR, $level), $id, $this->walk($nodes, $level));
    }

    const BLOCK_ARG = '$newContext[%s] = array($this, \'block%s\');';

    /**
     * Generate Mustache Template inheritance block argument PHP source.
     *
     * @param array  $nodes Array of child tokens
     * @param string $id    Section name
     * @param int    $start Section start offset
     * @param int    $end   Section end offset
     * @param string $otag  Current Mustache opening tag
     * @param string $ctag  Current Mustache closing tag
     * @param int    $level
     *
     * @return string Generated PHP source code
     */
    private function blockArg($nodes, $id, $start, $end, $otag, $ctag, $level)
    {
        $key = $this->block($nodes);
        $keystr = var_export($key, true);
        $id = var_export($id, true);

        return sprintf($this->prepare(self::BLOCK_ARG, 1), $id, $key);
    }

    const BLOCK_FUNCTION = '
        public function block%s($context)
        {
            $indent = $buffer = \'\';%s

            return $buffer;
        }
    ';

    /**
     * Generate Mustache Template inheritance block function PHP source.
     *
     * @param array $nodes Array of child tokens
     *
     * @return string key of new block function
     */
    private function block($nodes)
    {
        $code = $this->walk($nodes, 0);
        $key = ucfirst(md5($code));

        if (!isset($this->blocks[$key])) {
            $this->blocks[$key] = sprintf($this->prepare(self::BLOCK_FUNCTION, 0), $key, $code);
        }

        return $key;
    }

    const SECTION_CALL = '
        // %s section
        $value = $context->%s(%s);%s
        $buffer .= $this->section%s($context, $indent, $value);
    ';

    const SECTION = '
        private function section%s(Mustache_Context $context, $indent, $value)
        {
            $buffer = \'\';
            if (%s) {
                $source = %s;
                $result = call_user_func($value, $source, $this->lambdaHelper);
                if (strpos($result, \'{{\') === false) {
                    $buffer .= $result;
                } else {
                    $buffer .= $this->mustache
                        ->loadLambda((string) $result%s)
                        ->renderInternal($context);
                }
            } elseif (!empty($value)) {
                $values = $this->isIterable($value) ? $value : array($value);
                foreach ($values as $value) {
                    $context->push($value);
                    %s
                    $context->pop();
                }
            }

            return $buffer;
        }
    ';

    /**
     * Generate Mustache Template section PHP source.
     *
     * @param array    $nodes   Array of child tokens
     * @param string   $id      Section name
     * @param string[] $filters Array of filters
     * @param int      $start   Section start offset
     * @param int      $end     Section end offset
     * @param string   $otag    Current Mustache opening tag
     * @param string   $ctag    Current Mustache closing tag
     * @param int      $level
     * @param bool     $arg     (default: false)
     *
     * @return string Generated section PHP source code
     */
    private function section($nodes, $id, $filters, $start, $end, $otag, $ctag, $level, $arg = false)
    {
        $source   = var_export(substr($this->source, $start, $end - $start), true);
        $callable = $this->getCallable();

        if ($otag !== '{{' || $ctag !== '}}') {
            $delims = ', ' . var_export(sprintf('{{= %s %s =}}', $otag, $ctag), true);
        } else {
            $delims = '';
        }

        $key = ucfirst(md5($delims . "\n" . $source));

        if (!isset($this->sections[$key])) {
            $this->sections[$key] = sprintf($this->prepare(self::SECTION), $key, $callable, $source, $delims, $this->walk($nodes, 2));
        }

        if ($arg === true) {
            return $key;
        } else {
            $method  = $this->getFindMethod($id);
            $id      = var_export($id, true);
            $filters = $this->getFilters($filters, $level);

            return sprintf($this->prepare(self::SECTION_CALL, $level), $id, $method, $id, $filters, $key);
        }
    }

    const INVERTED_SECTION = '
        // %s inverted section
        $value = $context->%s(%s);%s
        if (empty($value)) {
            %s
        }
    ';

    /**
     * Generate Mustache Template inverted section PHP source.
     *
     * @param array    $nodes   Array of child tokens
     * @param string   $id      Section name
     * @param string[] $filters Array of filters
     * @param int      $level
     *
     * @return string Generated inverted section PHP source code
     */
    private function invertedSection($nodes, $id, $filters, $level)
    {
        $method  = $this->getFindMethod($id);
        $id      = var_export($id, true);
        $filters = $this->getFilters($filters, $level);

        return sprintf($this->prepare(self::INVERTED_SECTION, $level), $id, $method, $id, $filters, $this->walk($nodes, $level));
    }

    const PARTIAL_INDENT = ', $indent . %s';
    const PARTIAL = '
        if ($partial = $this->mustache->loadPartial(%s)) {
            $buffer .= $partial->renderInternal($context%s);
        }
    ';

    /**
     * Generate Mustache Template partial call PHP source.
     *
     * @param string $id     Partial name
     * @param string $indent Whitespace indent to apply to partial
     * @param int    $level
     *
     * @return string Generated partial call PHP source code
     */
    private function partial($id, $indent, $level)
    {
        if ($indent !== '') {
            $indentParam = sprintf(self::PARTIAL_INDENT, var_export($indent, true));
        } else {
            $indentParam = '';
        }

        return sprintf(
            $this->prepare(self::PARTIAL, $level),
            var_export($id, true),
            $indentParam
        );
    }

    const PARENT = '
        %s

        if ($parent = $this->mustache->LoadPartial(%s)) {
            $context->pushBlockContext($newContext);
            $buffer .= $parent->renderInternal($context, $indent);
            $context->popBlockContext();
        }
    ';

    /**
     * Generate Mustache Template inheritance parent call PHP source.
     *
     * @param string $id       Parent tag name
     * @param string $indent   Whitespace indent to apply to parent
     * @param array  $children Child nodes
     * @param int    $level
     *
     * @return string Generated PHP source code
     */
    private function parent($id, $indent, array $children, $level)
    {
        $realChildren = array_filter($children, array(__CLASS__, 'onlyBlockArgs'));

        return sprintf(
            $this->prepare(self::PARENT, $level),
            $this->walk($realChildren, $level),
            var_export($id, true),
            var_export($indent, true)
        );
    }

    /**
     * Helper method for filtering out non-block-arg tokens.
     *
     * @param array $node
     *
     * @return bool True if $node is a block arg token.
     */
    private static function onlyBlockArgs(array $node)
    {
        return $node[Mustache_Tokenizer::TYPE] === Mustache_Tokenizer::T_BLOCK_ARG;
    }

    const VARIABLE = '
        $value = $this->resolveValue($context->%s(%s), $context, $indent);%s
        $buffer .= %s%s;
    ';

    /**
     * Generate Mustache Template variable interpolation PHP source.
     *
     * @param string   $id      Variable name
     * @param string[] $filters Array of filters
     * @param bool     $escape  Escape the variable value for output?
     * @param int      $level
     *
     * @return string Generated variable interpolation PHP source
     */
    private function variable($id, $filters, $escape, $level)
    {
        $method  = $this->getFindMethod($id);
        $id      = ($method !== 'last') ? var_export($id, true) : '';
        $filters = $this->getFilters($filters, $level);
        $value   = $escape ? $this->getEscape() : '$value';

        return sprintf($this->prepare(self::VARIABLE, $level), $method, $id, $filters, $this->flushIndent(), $value);
    }

    const FILTER = '
        $filter = $context->%s(%s);
        if (!(%s)) {
            throw new Mustache_Exception_UnknownFilterException(%s);
        }
        $value = call_user_func($filter, $value);%s
    ';

    /**
     * Generate Mustache Template variable filtering PHP source.
     *
     * @param string[] $filters Array of filters
     * @param int      $level
     *
     * @return string Generated filter PHP source
     */
    private function getFilters(array $filters, $level)
    {
        if (empty($filters)) {
            return '';
        }

        $name     = array_shift($filters);
        $method   = $this->getFindMethod($name);
        $filter   = ($method !== 'last') ? var_export($name, true) : '';
        $callable = $this->getCallable('$filter');
        $msg      = var_export($name, true);

        return sprintf($this->prepare(self::FILTER, $level), $method, $filter, $callable, $msg, $this->getFilters($filters, $level));
    }

    const LINE = '$buffer .= "\n";';
    const TEXT = '$buffer .= %s%s;';

    /**
     * Generate Mustache Template output Buffer call PHP source.
     *
     * @param string $text
     * @param int    $level
     *
     * @return string Generated output Buffer call PHP source
     */
    private function text($text, $level)
    {
        $indentNextLine = (substr($text, -1) === "\n");
        $code = sprintf($this->prepare(self::TEXT, $level), $this->flushIndent(), var_export($text, true));
        $this->indentNextLine = $indentNextLine;

        return $code;
    }

    /**
     * Prepare PHP source code snippet for output.
     *
     * @param string $text
     * @param int    $bonus          Additional indent level (default: 0)
     * @param bool   $prependNewline Prepend a newline to the snippet? (default: true)
     * @param bool   $appendNewline  Append a newline to the snippet? (default: false)
     *
     * @return string PHP source code snippet
     */
    private function prepare($text, $bonus = 0, $prependNewline = true, $appendNewline = false)
    {
        $text = ($prependNewline ? "\n" : '') . trim($text);
        if ($prependNewline) {
            $bonus++;
        }
        if ($appendNewline) {
            $text .= "\n";
        }

        return preg_replace("/\n( {8})?/", "\n" . str_repeat(' ', $bonus * 4), $text);
    }

    const DEFAULT_ESCAPE = 'htmlspecialchars(%s, %s, %s)';
    const CUSTOM_ESCAPE  = 'call_user_func($this->mustache->getEscape(), %s)';

    /**
     * Get the current escaper.
     *
     * @param string $value (default: '$value')
     *
     * @return string Either a custom callback, or an inline call to `htmlspecialchars`
     */
    private function getEscape($value = '$value')
    {
        if ($this->customEscape) {
            return sprintf(self::CUSTOM_ESCAPE, $value);
        }

        return sprintf(self::DEFAULT_ESCAPE, $value, var_export($this->entityFlags, true), var_export($this->charset, true));
    }

    /**
     * Select the appropriate Context `find` method for a given $id.
     *
     * The return value will be one of `find`, `findDot` or `last`.
     *
     * @see Mustache_Context::find
     * @see Mustache_Context::findDot
     * @see Mustache_Context::last
     *
     * @param string $id Variable name
     *
     * @return string `find` method name
     */
    private function getFindMethod($id)
    {
        if ($id === '.') {
            return 'last';
        }

        if (isset($this->pragmas[Mustache_Engine::PRAGMA_ANCHORED_DOT]) && $this->pragmas[Mustache_Engine::PRAGMA_ANCHORED_DOT]) {
            if (substr($id, 0, 1) === '.') {
                return 'findAnchoredDot';
            }
        }

        if (strpos($id, '.') === false) {
            return 'find';
        }

        return 'findDot';
    }

    const IS_CALLABLE        = '!is_string(%s) && is_callable(%s)';
    const STRICT_IS_CALLABLE = 'is_object(%s) && is_callable(%s)';

    /**
     * Helper function to compile strict vs lax "is callable" logic.
     *
     * @param string $variable (default: '$value')
     *
     * @return string "is callable" logic
     */
    private function getCallable($variable = '$value')
    {
        $tpl = $this->strictCallables ? self::STRICT_IS_CALLABLE : self::IS_CALLABLE;

        return sprintf($tpl, $variable, $variable);
    }

    const LINE_INDENT = '$indent . ';

    /**
     * Get the current $indent prefix to write to the buffer.
     *
     * @return string "$indent . " or ""
     */
    private function flushIndent()
    {
        if (!$this->indentNextLine) {
            return '';
        }

        $this->indentNextLine = false;

        return self::LINE_INDENT;
    }
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Mustache Template rendering Context.
 */
class Mustache_Context
{
    private $stack      = array();
    private $blockStack = array();

    /**
     * Mustache rendering Context constructor.
     *
     * @param mixed $context Default rendering context (default: null)
     */
    public function __construct($context = null)
    {
        if ($context !== null) {
            $this->stack = array($context);
        }
    }

    /**
     * Push a new Context frame onto the stack.
     *
     * @param mixed $value Object or array to use for context
     */
    public function push($value)
    {
        array_push($this->stack, $value);
    }

    /**
     * Push a new Context frame onto the block context stack.
     *
     * @param mixed $value Object or array to use for block context
     */
    public function pushBlockContext($value)
    {
        array_push($this->blockStack, $value);
    }

    /**
     * Pop the last Context frame from the stack.
     *
     * @return mixed Last Context frame (object or array)
     */
    public function pop()
    {
        return array_pop($this->stack);
    }

    /**
     * Pop the last block Context frame from the stack.
     *
     * @return mixed Last block Context frame (object or array)
     */
    public function popBlockContext()
    {
        return array_pop($this->blockStack);
    }

    /**
     * Get the last Context frame.
     *
     * @return mixed Last Context frame (object or array)
     */
    public function last()
    {
        return end($this->stack);
    }

    /**
     * Find a variable in the Context stack.
     *
     * Starting with the last Context frame (the context of the innermost section), and working back to the top-level
     * rendering context, look for a variable with the given name:
     *
     *  * If the Context frame is an associative array which contains the key $id, returns the value of that element.
     *  * If the Context frame is an object, this will check first for a public method, then a public property named
     *    $id. Failing both of these, it will try `__isset` and `__get` magic methods.
     *  * If a value named $id is not found in any Context frame, returns an empty string.
     *
     * @param string $id Variable name
     *
     * @return mixed Variable value, or '' if not found
     */
    public function find($id)
    {
        return $this->findVariableInStack($id, $this->stack);
    }

    /**
     * Find a 'dot notation' variable in the Context stack.
     *
     * Note that dot notation traversal bubbles through scope differently than the regular find method. After finding
     * the initial chunk of the dotted name, each subsequent chunk is searched for only within the value of the previous
     * result. For example, given the following context stack:
     *
     *     $data = array(
     *         'name' => 'Fred',
     *         'child' => array(
     *             'name' => 'Bob'
     *         ),
     *     );
     *
     * ... and the Mustache following template:
     *
     *     {{ child.name }}
     *
     * ... the `name` value is only searched for within the `child` value of the global Context, not within parent
     * Context frames.
     *
     * @param string $id Dotted variable selector
     *
     * @return mixed Variable value, or '' if not found
     */
    public function findDot($id)
    {
        $chunks = explode('.', $id);
        $first  = array_shift($chunks);
        $value  = $this->findVariableInStack($first, $this->stack);

        foreach ($chunks as $chunk) {
            if ($value === '') {
                return $value;
            }

            $value = $this->findVariableInStack($chunk, array($value));
        }

        return $value;
    }

    /**
     * Find an 'anchored dot notation' variable in the Context stack.
     *
     * This is the same as findDot(), except it looks in the top of the context
     * stack for the first value, rather than searching the whole context stack
     * and starting from there.
     *
     * @see Mustache_Context::findDot
     *
     * @throws Mustache_Exception_InvalidArgumentException if given an invalid anchored dot $id.
     *
     * @param string $id Dotted variable selector
     *
     * @return mixed Variable value, or '' if not found
     */
    public function findAnchoredDot($id)
    {
        $chunks = explode('.', $id);
        $first  = array_shift($chunks);
        if ($first !== '') {
            throw new Mustache_Exception_InvalidArgumentException(sprintf('Unexpected id for findAnchoredDot: %s', $id));
        }

        $value  = $this->last();

        foreach ($chunks as $chunk) {
            if ($value === '') {
                return $value;
            }

            $value = $this->findVariableInStack($chunk, array($value));
        }

        return $value;
    }

    /**
     * Find an argument in the block context stack.
     *
     * @param string $id
     *
     * @return mixed Variable value, or '' if not found.
     */
    public function findInBlock($id)
    {
        foreach ($this->blockStack as $context) {
            if (array_key_exists($id, $context)) {
                return $context[$id];
            }
        }

        return '';
    }

    /**
     * Helper function to find a variable in the Context stack.
     *
     * @see Mustache_Context::find
     *
     * @param string $id    Variable name
     * @param array  $stack Context stack
     *
     * @return mixed Variable value, or '' if not found
     */
    private function findVariableInStack($id, array $stack)
    {
        for ($i = count($stack) - 1; $i >= 0; $i--) {
            $frame = &$stack[$i];

            switch (gettype($frame)) {
                case 'object':
                    if (!($frame instanceof Closure)) {
                        // Note that is_callable() *will not work here*
                        // See https://github.com/bobthecow/mustache.php/wiki/Magic-Methods
                        if (method_exists($frame, $id)) {
                            return $frame->$id();
                        }

                        if (isset($frame->$id)) {
                            return $frame->$id;
                        }

                        if ($frame instanceof ArrayAccess && isset($frame[$id])) {
                            return $frame[$id];
                        }
                    }
                    break;

                case 'array':
                    if (array_key_exists($id, $frame)) {
                        return $frame[$id];
                    }
                    break;
            }
        }

        return '';
    }
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * A Mustache implementation in PHP.
 *
 * {@link http://defunkt.github.com/mustache}
 *
 * Mustache is a framework-agnostic logic-less templating language. It enforces separation of view
 * logic from template files. In fact, it is not even possible to embed logic in the template.
 *
 * This is very, very rad.
 *
 * @author Justin Hileman {@link http://justinhileman.com}
 */
class Mustache_Engine
{
    const VERSION        = '2.9.0';
    const SPEC_VERSION   = '1.1.2';

    const PRAGMA_FILTERS      = 'FILTERS';
    const PRAGMA_BLOCKS       = 'BLOCKS';
    const PRAGMA_ANCHORED_DOT = 'ANCHORED-DOT';

    // Known pragmas
    private static $knownPragmas = array(
        self::PRAGMA_FILTERS      => true,
        self::PRAGMA_BLOCKS       => true,
        self::PRAGMA_ANCHORED_DOT => true,
    );

    // Template cache
    private $templates = array();

    // Environment
    private $templateClassPrefix = '__Mustache_';
    private $cache;
    private $lambdaCache;
    private $cacheLambdaTemplates = false;
    private $loader;
    private $partialsLoader;
    private $helpers;
    private $escape;
    private $entityFlags = ENT_COMPAT;
    private $charset = 'UTF-8';
    private $logger;
    private $strictCallables = false;
    private $pragmas = array();

    // Services
    private $tokenizer;
    private $parser;
    private $compiler;

    /**
     * Mustache class constructor.
     *
     * Passing an $options array allows overriding certain Mustache options during instantiation:
     *
     *     $options = array(
     *         // The class prefix for compiled templates. Defaults to '__Mustache_'.
     *         'template_class_prefix' => '__MyTemplates_',
     *
     *         // A Mustache cache instance or a cache directory string for compiled templates.
     *         // Mustache will not cache templates unless this is set.
     *         'cache' => dirname(__FILE__).'/tmp/cache/mustache',
     *
     *         // Override default permissions for cache files. Defaults to using the system-defined umask. It is
     *         // *strongly* recommended that you configure your umask properly rather than overriding permissions here.
     *         'cache_file_mode' => 0666,
     *
     *         // Optionally, enable caching for lambda section templates. This is generally not recommended, as lambda
     *         // sections are often too dynamic to benefit from caching.
     *         'cache_lambda_templates' => true,
     *
     *         // A Mustache template loader instance. Uses a StringLoader if not specified.
     *         'loader' => new Mustache_Loader_FilesystemLoader(dirname(__FILE__).'/views'),
     *
     *         // A Mustache loader instance for partials.
     *         'partials_loader' => new Mustache_Loader_FilesystemLoader(dirname(__FILE__).'/views/partials'),
     *
     *         // An array of Mustache partials. Useful for quick-and-dirty string template loading, but not as
     *         // efficient or lazy as a Filesystem (or database) loader.
     *         'partials' => array('foo' => file_get_contents(dirname(__FILE__).'/views/partials/foo.mustache')),
     *
     *         // An array of 'helpers'. Helpers can be global variables or objects, closures (e.g. for higher order
     *         // sections), or any other valid Mustache context value. They will be prepended to the context stack,
     *         // so they will be available in any template loaded by this Mustache instance.
     *         'helpers' => array('i18n' => function ($text) {
     *             // do something translatey here...
     *         }),
     *
     *         // An 'escape' callback, responsible for escaping double-mustache variables.
     *         'escape' => function ($value) {
     *             return htmlspecialchars($buffer, ENT_COMPAT, 'UTF-8');
     *         },
     *
     *         // Type argument for `htmlspecialchars`.  Defaults to ENT_COMPAT.  You may prefer ENT_QUOTES.
     *         'entity_flags' => ENT_QUOTES,
     *
     *         // Character set for `htmlspecialchars`. Defaults to 'UTF-8'. Use 'UTF-8'.
     *         'charset' => 'ISO-8859-1',
     *
     *         // A Mustache Logger instance. No logging will occur unless this is set. Using a PSR-3 compatible
     *         // logging library -- such as Monolog -- is highly recommended. A simple stream logger implementation is
     *         // available as well:
     *         'logger' => new Mustache_Logger_StreamLogger('php://stderr'),
     *
     *         // Only treat Closure instances and invokable classes as callable. If true, values like
     *         // `array('ClassName', 'methodName')` and `array($classInstance, 'methodName')`, which are traditionally
     *         // "callable" in PHP, are not called to resolve variables for interpolation or section contexts. This
     *         // helps protect against arbitrary code execution when user input is passed directly into the template.
     *         // This currently defaults to false, but will default to true in v3.0.
     *         'strict_callables' => true,
     *
     *         // Enable pragmas across all templates, regardless of the presence of pragma tags in the individual
     *         // templates.
     *         'pragmas' => [Mustache_Engine::PRAGMA_FILTERS],
     *     );
     *
     * @throws Mustache_Exception_InvalidArgumentException If `escape` option is not callable.
     *
     * @param array $options (default: array())
     */
    public function __construct(array $options = array())
    {
        if (isset($options['template_class_prefix'])) {
            $this->templateClassPrefix = $options['template_class_prefix'];
        }

        if (isset($options['cache'])) {
            $cache = $options['cache'];

            if (is_string($cache)) {
                $mode  = isset($options['cache_file_mode']) ? $options['cache_file_mode'] : null;
                $cache = new Mustache_Cache_FilesystemCache($cache, $mode);
            }

            $this->setCache($cache);
        }

        if (isset($options['cache_lambda_templates'])) {
            $this->cacheLambdaTemplates = (bool) $options['cache_lambda_templates'];
        }

        if (isset($options['loader'])) {
            $this->setLoader($options['loader']);
        }

        if (isset($options['partials_loader'])) {
            $this->setPartialsLoader($options['partials_loader']);
        }

        if (isset($options['partials'])) {
            $this->setPartials($options['partials']);
        }

        if (isset($options['helpers'])) {
            $this->setHelpers($options['helpers']);
        }

        if (isset($options['escape'])) {
            if (!is_callable($options['escape'])) {
                throw new Mustache_Exception_InvalidArgumentException('Mustache Constructor "escape" option must be callable');
            }

            $this->escape = $options['escape'];
        }

        if (isset($options['entity_flags'])) {
            $this->entityFlags = $options['entity_flags'];
        }

        if (isset($options['charset'])) {
            $this->charset = $options['charset'];
        }

        if (isset($options['logger'])) {
            $this->setLogger($options['logger']);
        }

        if (isset($options['strict_callables'])) {
            $this->strictCallables = $options['strict_callables'];
        }

        if (isset($options['pragmas'])) {
            foreach ($options['pragmas'] as $pragma) {
                if (!isset(self::$knownPragmas[$pragma])) {
                    throw new Mustache_Exception_InvalidArgumentException(sprintf('Unknown pragma: "%s".', $pragma));
                }
                $this->pragmas[$pragma] = true;
            }
        }
    }

    /**
     * Shortcut 'render' invocation.
     *
     * Equivalent to calling `$mustache->loadTemplate($template)->render($context);`
     *
     * @see Mustache_Engine::loadTemplate
     * @see Mustache_Template::render
     *
     * @param string $template
     * @param mixed  $context  (default: array())
     *
     * @return string Rendered template
     */
    public function render($template, $context = array())
    {
        return $this->loadTemplate($template)->render($context);
    }

    /**
     * Get the current Mustache escape callback.
     *
     * @return callable|null
     */
    public function getEscape()
    {
        return $this->escape;
    }

    /**
     * Get the current Mustache entitity type to escape.
     *
     * @return int
     */
    public function getEntityFlags()
    {
        return $this->entityFlags;
    }

    /**
     * Get the current Mustache character set.
     *
     * @return string
     */
    public function getCharset()
    {
        return $this->charset;
    }

    /**
     * Get the current globally enabled pragmas.
     *
     * @return array
     */
    public function getPragmas()
    {
        return array_keys($this->pragmas);
    }

    /**
     * Set the Mustache template Loader instance.
     *
     * @param Mustache_Loader $loader
     */
    public function setLoader(Mustache_Loader $loader)
    {
        $this->loader = $loader;
    }

    /**
     * Get the current Mustache template Loader instance.
     *
     * If no Loader instance has been explicitly specified, this method will instantiate and return
     * a StringLoader instance.
     *
     * @return Mustache_Loader
     */
    public function getLoader()
    {
        if (!isset($this->loader)) {
            $this->loader = new Mustache_Loader_StringLoader();
        }

        return $this->loader;
    }

    /**
     * Set the Mustache partials Loader instance.
     *
     * @param Mustache_Loader $partialsLoader
     */
    public function setPartialsLoader(Mustache_Loader $partialsLoader)
    {
        $this->partialsLoader = $partialsLoader;
    }

    /**
     * Get the current Mustache partials Loader instance.
     *
     * If no Loader instance has been explicitly specified, this method will instantiate and return
     * an ArrayLoader instance.
     *
     * @return Mustache_Loader
     */
    public function getPartialsLoader()
    {
        if (!isset($this->partialsLoader)) {
            $this->partialsLoader = new Mustache_Loader_ArrayLoader();
        }

        return $this->partialsLoader;
    }

    /**
     * Set partials for the current partials Loader instance.
     *
     * @throws Mustache_Exception_RuntimeException If the current Loader instance is immutable
     *
     * @param array $partials (default: array())
     */
    public function setPartials(array $partials = array())
    {
        if (!isset($this->partialsLoader)) {
            $this->partialsLoader = new Mustache_Loader_ArrayLoader();
        }

        if (!$this->partialsLoader instanceof Mustache_Loader_MutableLoader) {
            throw new Mustache_Exception_RuntimeException('Unable to set partials on an immutable Mustache Loader instance');
        }

        $this->partialsLoader->setTemplates($partials);
    }

    /**
     * Set an array of Mustache helpers.
     *
     * An array of 'helpers'. Helpers can be global variables or objects, closures (e.g. for higher order sections), or
     * any other valid Mustache context value. They will be prepended to the context stack, so they will be available in
     * any template loaded by this Mustache instance.
     *
     * @throws Mustache_Exception_InvalidArgumentException if $helpers is not an array or Traversable
     *
     * @param array|Traversable $helpers
     */
    public function setHelpers($helpers)
    {
        if (!is_array($helpers) && !$helpers instanceof Traversable) {
            throw new Mustache_Exception_InvalidArgumentException('setHelpers expects an array of helpers');
        }

        $this->getHelpers()->clear();

        foreach ($helpers as $name => $helper) {
            $this->addHelper($name, $helper);
        }
    }

    /**
     * Get the current set of Mustache helpers.
     *
     * @see Mustache_Engine::setHelpers
     *
     * @return Mustache_HelperCollection
     */
    public function getHelpers()
    {
        if (!isset($this->helpers)) {
            $this->helpers = new Mustache_HelperCollection();
        }

        return $this->helpers;
    }

    /**
     * Add a new Mustache helper.
     *
     * @see Mustache_Engine::setHelpers
     *
     * @param string $name
     * @param mixed  $helper
     */
    public function addHelper($name, $helper)
    {
        $this->getHelpers()->add($name, $helper);
    }

    /**
     * Get a Mustache helper by name.
     *
     * @see Mustache_Engine::setHelpers
     *
     * @param string $name
     *
     * @return mixed Helper
     */
    public function getHelper($name)
    {
        return $this->getHelpers()->get($name);
    }

    /**
     * Check whether this Mustache instance has a helper.
     *
     * @see Mustache_Engine::setHelpers
     *
     * @param string $name
     *
     * @return bool True if the helper is present
     */
    public function hasHelper($name)
    {
        return $this->getHelpers()->has($name);
    }

    /**
     * Remove a helper by name.
     *
     * @see Mustache_Engine::setHelpers
     *
     * @param string $name
     */
    public function removeHelper($name)
    {
        $this->getHelpers()->remove($name);
    }

    /**
     * Set the Mustache Logger instance.
     *
     * @throws Mustache_Exception_InvalidArgumentException If logger is not an instance of Mustache_Logger or Psr\Log\LoggerInterface.
     *
     * @param Mustache_Logger|Psr\Log\LoggerInterface $logger
     */
    public function setLogger($logger = null)
    {
        if ($logger !== null && !($logger instanceof Mustache_Logger || is_a($logger, 'Psr\\Log\\LoggerInterface'))) {
            throw new Mustache_Exception_InvalidArgumentException('Expected an instance of Mustache_Logger or Psr\\Log\\LoggerInterface.');
        }

        if ($this->getCache()->getLogger() === null) {
            $this->getCache()->setLogger($logger);
        }

        $this->logger = $logger;
    }

    /**
     * Get the current Mustache Logger instance.
     *
     * @return Mustache_Logger|Psr\Log\LoggerInterface
     */
    public function getLogger()
    {
        return $this->logger;
    }

    /**
     * Set the Mustache Tokenizer instance.
     *
     * @param Mustache_Tokenizer $tokenizer
     */
    public function setTokenizer(Mustache_Tokenizer $tokenizer)
    {
        $this->tokenizer = $tokenizer;
    }

    /**
     * Get the current Mustache Tokenizer instance.
     *
     * If no Tokenizer instance has been explicitly specified, this method will instantiate and return a new one.
     *
     * @return Mustache_Tokenizer
     */
    public function getTokenizer()
    {
        if (!isset($this->tokenizer)) {
            $this->tokenizer = new Mustache_Tokenizer();
        }

        return $this->tokenizer;
    }

    /**
     * Set the Mustache Parser instance.
     *
     * @param Mustache_Parser $parser
     */
    public function setParser(Mustache_Parser $parser)
    {
        $this->parser = $parser;
    }

    /**
     * Get the current Mustache Parser instance.
     *
     * If no Parser instance has been explicitly specified, this method will instantiate and return a new one.
     *
     * @return Mustache_Parser
     */
    public function getParser()
    {
        if (!isset($this->parser)) {
            $this->parser = new Mustache_Parser();
        }

        return $this->parser;
    }

    /**
     * Set the Mustache Compiler instance.
     *
     * @param Mustache_Compiler $compiler
     */
    public function setCompiler(Mustache_Compiler $compiler)
    {
        $this->compiler = $compiler;
    }

    /**
     * Get the current Mustache Compiler instance.
     *
     * If no Compiler instance has been explicitly specified, this method will instantiate and return a new one.
     *
     * @return Mustache_Compiler
     */
    public function getCompiler()
    {
        if (!isset($this->compiler)) {
            $this->compiler = new Mustache_Compiler();
        }

        return $this->compiler;
    }

    /**
     * Set the Mustache Cache instance.
     *
     * @param Mustache_Cache $cache
     */
    public function setCache(Mustache_Cache $cache)
    {
        if (isset($this->logger) && $cache->getLogger() === null) {
            $cache->setLogger($this->getLogger());
        }

        $this->cache = $cache;
    }

    /**
     * Get the current Mustache Cache instance.
     *
     * If no Cache instance has been explicitly specified, this method will instantiate and return a new one.
     *
     * @return Mustache_Cache
     */
    public function getCache()
    {
        if (!isset($this->cache)) {
            $this->setCache(new Mustache_Cache_NoopCache());
        }

        return $this->cache;
    }

    /**
     * Get the current Lambda Cache instance.
     *
     * If 'cache_lambda_templates' is enabled, this is the default cache instance. Otherwise, it is a NoopCache.
     *
     * @see Mustache_Engine::getCache
     *
     * @return Mustache_Cache
     */
    protected function getLambdaCache()
    {
        if ($this->cacheLambdaTemplates) {
            return $this->getCache();
        }

        if (!isset($this->lambdaCache)) {
            $this->lambdaCache = new Mustache_Cache_NoopCache();
        }

        return $this->lambdaCache;
    }

    /**
     * Helper method to generate a Mustache template class.
     *
     * @param string $source
     *
     * @return string Mustache Template class name
     */
    public function getTemplateClassName($source)
    {
        return $this->templateClassPrefix . md5(sprintf(
            'version:%s,escape:%s,entity_flags:%i,charset:%s,strict_callables:%s,pragmas:%s,source:%s',
            self::VERSION,
            isset($this->escape) ? 'custom' : 'default',
            $this->entityFlags,
            $this->charset,
            $this->strictCallables ? 'true' : 'false',
            implode(' ', $this->getPragmas()),
            $source
        ));
    }

    /**
     * Load a Mustache Template by name.
     *
     * @param string $name
     *
     * @return Mustache_Template
     */
    public function loadTemplate($name)
    {
        return $this->loadSource($this->getLoader()->load($name));
    }

    /**
     * Load a Mustache partial Template by name.
     *
     * This is a helper method used internally by Template instances for loading partial templates. You can most likely
     * ignore it completely.
     *
     * @param string $name
     *
     * @return Mustache_Template
     */
    public function loadPartial($name)
    {
        try {
            if (isset($this->partialsLoader)) {
                $loader = $this->partialsLoader;
            } elseif (isset($this->loader) && !$this->loader instanceof Mustache_Loader_StringLoader) {
                $loader = $this->loader;
            } else {
                throw new Mustache_Exception_UnknownTemplateException($name);
            }

            return $this->loadSource($loader->load($name));
        } catch (Mustache_Exception_UnknownTemplateException $e) {
            // If the named partial cannot be found, log then return null.
            $this->log(
                Mustache_Logger::WARNING,
                'Partial not found: "{name}"',
                array('name' => $e->getTemplateName())
            );
        }
    }

    /**
     * Load a Mustache lambda Template by source.
     *
     * This is a helper method used by Template instances to generate subtemplates for Lambda sections. You can most
     * likely ignore it completely.
     *
     * @param string $source
     * @param string $delims (default: null)
     *
     * @return Mustache_Template
     */
    public function loadLambda($source, $delims = null)
    {
        if ($delims !== null) {
            $source = $delims . "\n" . $source;
        }

        return $this->loadSource($source, $this->getLambdaCache());
    }

    /**
     * Instantiate and return a Mustache Template instance by source.
     *
     * Optionally provide a Mustache_Cache instance. This is used internally by Mustache_Engine::loadLambda to respect
     * the 'cache_lambda_templates' configuration option.
     *
     * @see Mustache_Engine::loadTemplate
     * @see Mustache_Engine::loadPartial
     * @see Mustache_Engine::loadLambda
     *
     * @param string         $source
     * @param Mustache_Cache $cache  (default: null)
     *
     * @return Mustache_Template
     */
    private function loadSource($source, Mustache_Cache $cache = null)
    {
        $className = $this->getTemplateClassName($source);

        if (!isset($this->templates[$className])) {
            if ($cache === null) {
                $cache = $this->getCache();
            }

            if (!class_exists($className, false)) {
                if (!$cache->load($className)) {
                    $compiled = $this->compile($source);
                    $cache->cache($className, $compiled);
                }
            }

            $this->log(
                Mustache_Logger::DEBUG,
                'Instantiating template: "{className}"',
                array('className' => $className)
            );

            $this->templates[$className] = new $className($this);
        }

        return $this->templates[$className];
    }

    /**
     * Helper method to tokenize a Mustache template.
     *
     * @see Mustache_Tokenizer::scan
     *
     * @param string $source
     *
     * @return array Tokens
     */
    private function tokenize($source)
    {
        return $this->getTokenizer()->scan($source);
    }

    /**
     * Helper method to parse a Mustache template.
     *
     * @see Mustache_Parser::parse
     *
     * @param string $source
     *
     * @return array Token tree
     */
    private function parse($source)
    {
        $parser = $this->getParser();
        $parser->setPragmas($this->getPragmas());

        return $parser->parse($this->tokenize($source));
    }

    /**
     * Helper method to compile a Mustache template.
     *
     * @see Mustache_Compiler::compile
     *
     * @param string $source
     *
     * @return string generated Mustache template class code
     */
    private function compile($source)
    {
        $tree = $this->parse($source);
        $name = $this->getTemplateClassName($source);

        $this->log(
            Mustache_Logger::INFO,
            'Compiling template to "{className}" class',
            array('className' => $name)
        );

        $compiler = $this->getCompiler();
        $compiler->setPragmas($this->getPragmas());

        return $compiler->compile($source, $tree, $name, isset($this->escape), $this->charset, $this->strictCallables, $this->entityFlags);
    }

    /**
     * Add a log record if logging is enabled.
     *
     * @param int    $level   The logging level
     * @param string $message The log message
     * @param array  $context The log context
     */
    private function log($level, $message, array $context = array())
    {
        if (isset($this->logger)) {
            $this->logger->log($level, $message, $context);
        }
    }
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * A Mustache Exception interface.
 */
interface Mustache_Exception
{
    // This space intentionally left blank.
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * A collection of helpers for a Mustache instance.
 */
class Mustache_HelperCollection
{
    private $helpers = array();

    /**
     * Helper Collection constructor.
     *
     * Optionally accepts an array (or Traversable) of `$name => $helper` pairs.
     *
     * @throws Mustache_Exception_InvalidArgumentException if the $helpers argument isn't an array or Traversable
     *
     * @param array|Traversable $helpers (default: null)
     */
    public function __construct($helpers = null)
    {
        if ($helpers === null) {
            return;
        }

        if (!is_array($helpers) && !$helpers instanceof Traversable) {
            throw new Mustache_Exception_InvalidArgumentException('HelperCollection constructor expects an array of helpers');
        }

        foreach ($helpers as $name => $helper) {
            $this->add($name, $helper);
        }
    }

    /**
     * Magic mutator.
     *
     * @see Mustache_HelperCollection::add
     *
     * @param string $name
     * @param mixed  $helper
     */
    public function __set($name, $helper)
    {
        $this->add($name, $helper);
    }

    /**
     * Add a helper to this collection.
     *
     * @param string $name
     * @param mixed  $helper
     */
    public function add($name, $helper)
    {
        $this->helpers[$name] = $helper;
    }

    /**
     * Magic accessor.
     *
     * @see Mustache_HelperCollection::get
     *
     * @param string $name
     *
     * @return mixed Helper
     */
    public function __get($name)
    {
        return $this->get($name);
    }

    /**
     * Get a helper by name.
     *
     * @throws Mustache_Exception_UnknownHelperException If helper does not exist.
     *
     * @param string $name
     *
     * @return mixed Helper
     */
    public function get($name)
    {
        if (!$this->has($name)) {
            throw new Mustache_Exception_UnknownHelperException($name);
        }

        return $this->helpers[$name];
    }

    /**
     * Magic isset().
     *
     * @see Mustache_HelperCollection::has
     *
     * @param string $name
     *
     * @return bool True if helper is present
     */
    public function __isset($name)
    {
        return $this->has($name);
    }

    /**
     * Check whether a given helper is present in the collection.
     *
     * @param string $name
     *
     * @return bool True if helper is present
     */
    public function has($name)
    {
        return array_key_exists($name, $this->helpers);
    }

    /**
     * Magic unset().
     *
     * @see Mustache_HelperCollection::remove
     *
     * @param string $name
     */
    public function __unset($name)
    {
        $this->remove($name);
    }

    /**
     * Check whether a given helper is present in the collection.
     *
     * @throws Mustache_Exception_UnknownHelperException if the requested helper is not present.
     *
     * @param string $name
     */
    public function remove($name)
    {
        if (!$this->has($name)) {
            throw new Mustache_Exception_UnknownHelperException($name);
        }

        unset($this->helpers[$name]);
    }

    /**
     * Clear the helper collection.
     *
     * Removes all helpers from this collection
     */
    public function clear()
    {
        $this->helpers = array();
    }

    /**
     * Check whether the helper collection is empty.
     *
     * @return bool True if the collection is empty
     */
    public function isEmpty()
    {
        return empty($this->helpers);
    }
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Mustache Lambda Helper.
 *
 * Passed as the second argument to section lambdas (higher order sections),
 * giving them access to a `render` method for rendering a string with the
 * current context.
 */
class Mustache_LambdaHelper
{
    private $mustache;
    private $context;

    /**
     * Mustache Lambda Helper constructor.
     *
     * @param Mustache_Engine  $mustache Mustache engine instance.
     * @param Mustache_Context $context  Rendering context.
     */
    public function __construct(Mustache_Engine $mustache, Mustache_Context $context)
    {
        $this->mustache = $mustache;
        $this->context  = $context;
    }

    /**
     * Render a string as a Mustache template with the current rendering context.
     *
     * @param string $string
     *
     * @return string Rendered template.
     */
    public function render($string)
    {
        return $this->mustache
            ->loadLambda((string) $string)
            ->renderInternal($this->context);
    }
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Mustache Template Loader interface.
 */
interface Mustache_Loader
{
    /**
     * Load a Template by name.
     *
     * @throws Mustache_Exception_UnknownTemplateException If a template file is not found.
     *
     * @param string $name
     *
     * @return string Mustache Template source
     */
    public function load($name);
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Describes a Mustache logger instance.
 *
 * This is identical to the Psr\Log\LoggerInterface.
 *
 * The message MUST be a string or object implementing __toString().
 *
 * The message MAY contain placeholders in the form: {foo} where foo
 * will be replaced by the context data in key "foo".
 *
 * The context array can contain arbitrary data, the only assumption that
 * can be made by implementors is that if an Exception instance is given
 * to produce a stack trace, it MUST be in a key named "exception".
 *
 * See https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-3-logger-interface.md
 * for the full interface specification.
 */
interface Mustache_Logger
{
    /**
     * Psr\Log compatible log levels.
     */
    const EMERGENCY = 'emergency';
    const ALERT     = 'alert';
    const CRITICAL  = 'critical';
    const ERROR     = 'error';
    const WARNING   = 'warning';
    const NOTICE    = 'notice';
    const INFO      = 'info';
    const DEBUG     = 'debug';

    /**
     * System is unusable.
     *
     * @param string $message
     * @param array  $context
     */
    public function emergency($message, array $context = array());

    /**
     * Action must be taken immediately.
     *
     * Example: Entire website down, database unavailable, etc. This should
     * trigger the SMS alerts and wake you up.
     *
     * @param string $message
     * @param array  $context
     */
    public function alert($message, array $context = array());

    /**
     * Critical conditions.
     *
     * Example: Application component unavailable, unexpected exception.
     *
     * @param string $message
     * @param array  $context
     */
    public function critical($message, array $context = array());

    /**
     * Runtime errors that do not require immediate action but should typically
     * be logged and monitored.
     *
     * @param string $message
     * @param array  $context
     */
    public function error($message, array $context = array());

    /**
     * Exceptional occurrences that are not errors.
     *
     * Example: Use of deprecated APIs, poor use of an API, undesirable things
     * that are not necessarily wrong.
     *
     * @param string $message
     * @param array  $context
     */
    public function warning($message, array $context = array());

    /**
     * Normal but significant events.
     *
     * @param string $message
     * @param array  $context
     */
    public function notice($message, array $context = array());

    /**
     * Interesting events.
     *
     * Example: User logs in, SQL logs.
     *
     * @param string $message
     * @param array  $context
     */
    public function info($message, array $context = array());

    /**
     * Detailed debug information.
     *
     * @param string $message
     * @param array  $context
     */
    public function debug($message, array $context = array());

    /**
     * Logs with an arbitrary level.
     *
     * @param mixed  $level
     * @param string $message
     * @param array  $context
     */
    public function log($level, $message, array $context = array());
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Mustache Parser class.
 *
 * This class is responsible for turning a set of Mustache tokens into a parse tree.
 */
class Mustache_Parser
{
    private $lineNum;
    private $lineTokens;
    private $pragmas;
    private $defaultPragmas = array();

    private $pragmaFilters;
    private $pragmaBlocks;

    /**
     * Process an array of Mustache tokens and convert them into a parse tree.
     *
     * @param array $tokens Set of Mustache tokens
     *
     * @return array Mustache token parse tree
     */
    public function parse(array $tokens = array())
    {
        $this->lineNum    = -1;
        $this->lineTokens = 0;
        $this->pragmas    = $this->defaultPragmas;

        $this->pragmaFilters = isset($this->pragmas[Mustache_Engine::PRAGMA_FILTERS]);
        $this->pragmaBlocks  = isset($this->pragmas[Mustache_Engine::PRAGMA_BLOCKS]);

        return $this->buildTree($tokens);
    }

    /**
     * Enable pragmas across all templates, regardless of the presence of pragma
     * tags in the individual templates.
     *
     * @internal Users should set global pragmas in Mustache_Engine, not here :)
     *
     * @param string[] $pragmas
     */
    public function setPragmas(array $pragmas)
    {
        $this->pragmas = array();
        foreach ($pragmas as $pragma) {
            $this->enablePragma($pragma);
        }
        $this->defaultPragmas = $this->pragmas;
    }

    /**
     * Helper method for recursively building a parse tree.
     *
     * @throws Mustache_Exception_SyntaxException when nesting errors or mismatched section tags are encountered.
     *
     * @param array &$tokens Set of Mustache tokens
     * @param array $parent  Parent token (default: null)
     *
     * @return array Mustache Token parse tree
     */
    private function buildTree(array &$tokens, array $parent = null)
    {
        $nodes = array();

        while (!empty($tokens)) {
            $token = array_shift($tokens);

            if ($token[Mustache_Tokenizer::LINE] === $this->lineNum) {
                $this->lineTokens++;
            } else {
                $this->lineNum    = $token[Mustache_Tokenizer::LINE];
                $this->lineTokens = 0;
            }

            if ($this->pragmaFilters && isset($token[Mustache_Tokenizer::NAME])) {
                list($name, $filters) = $this->getNameAndFilters($token[Mustache_Tokenizer::NAME]);
                if (!empty($filters)) {
                    $token[Mustache_Tokenizer::NAME]    = $name;
                    $token[Mustache_Tokenizer::FILTERS] = $filters;
                }
            }

            switch ($token[Mustache_Tokenizer::TYPE]) {
                case Mustache_Tokenizer::T_DELIM_CHANGE:
                    $this->checkIfTokenIsAllowedInParent($parent, $token);
                    $this->clearStandaloneLines($nodes, $tokens);
                    break;

                case Mustache_Tokenizer::T_SECTION:
                case Mustache_Tokenizer::T_INVERTED:
                    $this->checkIfTokenIsAllowedInParent($parent, $token);
                    $this->clearStandaloneLines($nodes, $tokens);
                    $nodes[] = $this->buildTree($tokens, $token);
                    break;

                case Mustache_Tokenizer::T_END_SECTION:
                    if (!isset($parent)) {
                        $msg = sprintf(
                            'Unexpected closing tag: /%s on line %d',
                            $token[Mustache_Tokenizer::NAME],
                            $token[Mustache_Tokenizer::LINE]
                        );
                        throw new Mustache_Exception_SyntaxException($msg, $token);
                    }

                    if ($token[Mustache_Tokenizer::NAME] !== $parent[Mustache_Tokenizer::NAME]) {
                        $msg = sprintf(
                            'Nesting error: %s (on line %d) vs. %s (on line %d)',
                            $parent[Mustache_Tokenizer::NAME],
                            $parent[Mustache_Tokenizer::LINE],
                            $token[Mustache_Tokenizer::NAME],
                            $token[Mustache_Tokenizer::LINE]
                        );
                        throw new Mustache_Exception_SyntaxException($msg, $token);
                    }

                    $this->clearStandaloneLines($nodes, $tokens);
                    $parent[Mustache_Tokenizer::END]   = $token[Mustache_Tokenizer::INDEX];
                    $parent[Mustache_Tokenizer::NODES] = $nodes;

                    return $parent;

                case Mustache_Tokenizer::T_PARTIAL:
                    $this->checkIfTokenIsAllowedInParent($parent, $token);
                    //store the whitespace prefix for laters!
                    if ($indent = $this->clearStandaloneLines($nodes, $tokens)) {
                        $token[Mustache_Tokenizer::INDENT] = $indent[Mustache_Tokenizer::VALUE];
                    }
                    $nodes[] = $token;
                    break;

                case Mustache_Tokenizer::T_PARENT:
                    $this->checkIfTokenIsAllowedInParent($parent, $token);
                    $nodes[] = $this->buildTree($tokens, $token);
                    break;

                case Mustache_Tokenizer::T_BLOCK_VAR:
                    if ($this->pragmaBlocks) {
                        // BLOCKS pragma is enabled, let's do this!
                        if ($parent[Mustache_Tokenizer::TYPE] === Mustache_Tokenizer::T_PARENT) {
                            $token[Mustache_Tokenizer::TYPE] = Mustache_Tokenizer::T_BLOCK_ARG;
                        }
                        $this->clearStandaloneLines($nodes, $tokens);
                        $nodes[] = $this->buildTree($tokens, $token);
                    } else {
                        // pretend this was just a normal "escaped" token...
                        $token[Mustache_Tokenizer::TYPE] = Mustache_Tokenizer::T_ESCAPED;
                        // TODO: figure out how to figure out if there was a space after this dollar:
                        $token[Mustache_Tokenizer::NAME] = '$' . $token[Mustache_Tokenizer::NAME];
                        $nodes[] = $token;
                    }
                    break;

                case Mustache_Tokenizer::T_PRAGMA:
                    $this->enablePragma($token[Mustache_Tokenizer::NAME]);
                    // no break

                case Mustache_Tokenizer::T_COMMENT:
                    $this->clearStandaloneLines($nodes, $tokens);
                    $nodes[] = $token;
                    break;

                default:
                    $nodes[] = $token;
                    break;
            }
        }

        if (isset($parent)) {
            $msg = sprintf(
                'Missing closing tag: %s opened on line %d',
                $parent[Mustache_Tokenizer::NAME],
                $parent[Mustache_Tokenizer::LINE]
            );
            throw new Mustache_Exception_SyntaxException($msg, $parent);
        }

        return $nodes;
    }

    /**
     * Clear standalone line tokens.
     *
     * Returns a whitespace token for indenting partials, if applicable.
     *
     * @param array $nodes  Parsed nodes.
     * @param array $tokens Tokens to be parsed.
     *
     * @return array|null Resulting indent token, if any.
     */
    private function clearStandaloneLines(array &$nodes, array &$tokens)
    {
        if ($this->lineTokens > 1) {
            // this is the third or later node on this line, so it can't be standalone
            return;
        }

        $prev = null;
        if ($this->lineTokens === 1) {
            // this is the second node on this line, so it can't be standalone
            // unless the previous node is whitespace.
            if ($prev = end($nodes)) {
                if (!$this->tokenIsWhitespace($prev)) {
                    return;
                }
            }
        }

        if ($next = reset($tokens)) {
            // If we're on a new line, bail.
            if ($next[Mustache_Tokenizer::LINE] !== $this->lineNum) {
                return;
            }

            // If the next token isn't whitespace, bail.
            if (!$this->tokenIsWhitespace($next)) {
                return;
            }

            if (count($tokens) !== 1) {
                // Unless it's the last token in the template, the next token
                // must end in newline for this to be standalone.
                if (substr($next[Mustache_Tokenizer::VALUE], -1) !== "\n") {
                    return;
                }
            }

            // Discard the whitespace suffix
            array_shift($tokens);
        }

        if ($prev) {
            // Return the whitespace prefix, if any
            return array_pop($nodes);
        }
    }

    /**
     * Check whether token is a whitespace token.
     *
     * True if token type is T_TEXT and value is all whitespace characters.
     *
     * @param array $token
     *
     * @return bool True if token is a whitespace token
     */
    private function tokenIsWhitespace(array $token)
    {
        if ($token[Mustache_Tokenizer::TYPE] === Mustache_Tokenizer::T_TEXT) {
            return preg_match('/^\s*$/', $token[Mustache_Tokenizer::VALUE]);
        }

        return false;
    }

    /**
     * Check whether a token is allowed inside a parent tag.
     *
     * @throws Mustache_Exception_SyntaxException if an invalid token is found inside a parent tag.
     *
     * @param array|null $parent
     * @param array      $token
     */
    private function checkIfTokenIsAllowedInParent($parent, array $token)
    {
        if ($parent[Mustache_Tokenizer::TYPE] === Mustache_Tokenizer::T_PARENT) {
            throw new Mustache_Exception_SyntaxException('Illegal content in < parent tag', $token);
        }
    }

    /**
     * Split a tag name into name and filters.
     *
     * @param string $name
     *
     * @return array [Tag name, Array of filters]
     */
    private function getNameAndFilters($name)
    {
        $filters = array_map('trim', explode('|', $name));
        $name    = array_shift($filters);

        return array($name, $filters);
    }

    /**
     * Enable a pragma.
     *
     * @param string $name
     */
    private function enablePragma($name)
    {
        $this->pragmas[$name] = true;

        switch ($name) {
            case Mustache_Engine::PRAGMA_BLOCKS:
                $this->pragmaBlocks = true;
                break;

            case Mustache_Engine::PRAGMA_FILTERS:
                $this->pragmaFilters = true;
                break;
        }
    }
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Abstract Mustache Template class.
 *
 * @abstract
 */
abstract class Mustache_Template
{
    /**
     * @var Mustache_Engine
     */
    protected $mustache;

    /**
     * @var bool
     */
    protected $strictCallables = false;

    /**
     * Mustache Template constructor.
     *
     * @param Mustache_Engine $mustache
     */
    public function __construct(Mustache_Engine $mustache)
    {
        $this->mustache = $mustache;
    }

    /**
     * Mustache Template instances can be treated as a function and rendered by simply calling them.
     *
     *     $m = new Mustache_Engine;
     *     $tpl = $m->loadTemplate('Hello, {{ name }}!');
     *     echo $tpl(array('name' => 'World')); // "Hello, World!"
     *
     * @see Mustache_Template::render
     *
     * @param mixed $context Array or object rendering context (default: array())
     *
     * @return string Rendered template
     */
    public function __invoke($context = array())
    {
        return $this->render($context);
    }

    /**
     * Render this template given the rendering context.
     *
     * @param mixed $context Array or object rendering context (default: array())
     *
     * @return string Rendered template
     */
    public function render($context = array())
    {
        return $this->renderInternal(
            $this->prepareContextStack($context)
        );
    }

    /**
     * Internal rendering method implemented by Mustache Template concrete subclasses.
     *
     * This is where the magic happens :)
     *
     * NOTE: This method is not part of the Mustache.php public API.
     *
     * @param Mustache_Context $context
     * @param string           $indent  (default: '')
     *
     * @return string Rendered template
     */
    abstract public function renderInternal(Mustache_Context $context, $indent = '');

    /**
     * Tests whether a value should be iterated over (e.g. in a section context).
     *
     * In most languages there are two distinct array types: list and hash (or whatever you want to call them). Lists
     * should be iterated, hashes should be treated as objects. Mustache follows this paradigm for Ruby, Javascript,
     * Java, Python, etc.
     *
     * PHP, however, treats lists and hashes as one primitive type: array. So Mustache.php needs a way to distinguish
     * between between a list of things (numeric, normalized array) and a set of variables to be used as section context
     * (associative array). In other words, this will be iterated over:
     *
     *     $items = array(
     *         array('name' => 'foo'),
     *         array('name' => 'bar'),
     *         array('name' => 'baz'),
     *     );
     *
     * ... but this will be used as a section context block:
     *
     *     $items = array(
     *         1        => array('name' => 'foo'),
     *         'banana' => array('name' => 'bar'),
     *         42       => array('name' => 'baz'),
     *     );
     *
     * @param mixed $value
     *
     * @return bool True if the value is 'iterable'
     */
    protected function isIterable($value)
    {
        switch (gettype($value)) {
            case 'object':
                return $value instanceof Traversable;

            case 'array':
                $i = 0;
                foreach ($value as $k => $v) {
                    if ($k !== $i++) {
                        return false;
                    }
                }

                return true;

            default:
                return false;
        }
    }

    /**
     * Helper method to prepare the Context stack.
     *
     * Adds the Mustache HelperCollection to the stack's top context frame if helpers are present.
     *
     * @param mixed $context Optional first context frame (default: null)
     *
     * @return Mustache_Context
     */
    protected function prepareContextStack($context = null)
    {
        $stack = new Mustache_Context();

        $helpers = $this->mustache->getHelpers();
        if (!$helpers->isEmpty()) {
            $stack->push($helpers);
        }

        if (!empty($context)) {
            $stack->push($context);
        }

        return $stack;
    }

    /**
     * Resolve a context value.
     *
     * Invoke the value if it is callable, otherwise return the value.
     *
     * @param mixed            $value
     * @param Mustache_Context $context
     * @param string           $indent
     *
     * @return string
     */
    protected function resolveValue($value, Mustache_Context $context, $indent = '')
    {
        if (($this->strictCallables ? is_object($value) : !is_string($value)) && is_callable($value)) {
            return $this->mustache
                ->loadLambda((string) call_user_func($value))
                ->renderInternal($context, $indent);
        }

        return $value;
    }
}
<?php

/*
 * This file is part of Mustache.php.
 *
 * (c) 2010-2015 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * Mustache Tokenizer class.
 *
 * This class is responsible for turning raw template source into a set of Mustache tokens.
 */
class Mustache_Tokenizer
{
    // Finite state machine states
    const IN_TEXT     = 0;
    const IN_TAG_TYPE = 1;
    const IN_TAG      = 2;

    // Token types
    const T_SECTION      = '#';
    const T_INVERTED     = '^';
    const T_END_SECTION  = '/';
    const T_COMMENT      = '!';
    const T_PARTIAL      = '>';
    const T_PARENT       = '<';
    const T_DELIM_CHANGE = '=';
    const T_ESCAPED      = '_v';
    const T_UNESCAPED    = '{';
    const T_UNESCAPED_2  = '&';
    const T_TEXT         = '_t';
    const T_PRAGMA       = '%';
    const T_BLOCK_VAR    = '$';
    const T_BLOCK_ARG    = '$arg';

    // Valid token types
    private static $tagTypes = array(
        self::T_SECTION      => true,
        self::T_INVERTED     => true,
        self::T_END_SECTION  => true,
        self::T_COMMENT      => true,
        self::T_PARTIAL      => true,
        self::T_PARENT       => true,
        self::T_DELIM_CHANGE => true,
        self::T_ESCAPED      => true,
        self::T_UNESCAPED    => true,
        self::T_UNESCAPED_2  => true,
        self::T_PRAGMA       => true,
        self::T_BLOCK_VAR    => true,
    );

    // Token properties
    const TYPE    = 'type';
    const NAME    = 'name';
    const OTAG    = 'otag';
    const CTAG    = 'ctag';
    const LINE    = 'line';
    const INDEX   = 'index';
    const END     = 'end';
    const INDENT  = 'indent';
    const NODES   = 'nodes';
    const VALUE   = 'value';
    const FILTERS = 'filters';

    private $state;
    private $tagType;
    private $buffer;
    private $tokens;
    private $seenTag;
    private $line;
    private $otag;
    private $ctag;
    private $otagLen;
    private $ctagLen;

    /**
     * Scan and tokenize template source.
     *
     * @throws Mustache_Exception_SyntaxException when mismatched section tags are encountered.
     *
     * @param string $text       Mustache template source to tokenize
     * @param string $delimiters Optionally, pass initial opening and closing delimiters (default: null)
     *
     * @return array Set of Mustache tokens
     */
    public function scan($text, $delimiters = null)
    {
        // Setting mbstring.func_overload makes things *really* slow.
        // Let's do everyone a favor and scan this string as ASCII instead.
        $encoding = null;
        if (function_exists('mb_internal_encoding') && ini_get('mbstring.func_overload') & 2) {
            $encoding = mb_internal_encoding();
            mb_internal_encoding('ASCII');
        }

        $this->reset();

        if ($delimiters = trim($delimiters)) {
            $this->setDelimiters($delimiters);
        }

        $len = strlen($text);
        for ($i = 0; $i < $len; $i++) {
            switch ($this->state) {
                case self::IN_TEXT:
                    if ($this->tagChange($this->otag, $this->otagLen, $text, $i)) {
                        $i--;
                        $this->flushBuffer();
                        $this->state = self::IN_TAG_TYPE;
                    } else {
                        $char = $text[$i];
                        $this->buffer .= $char;
                        if ($char === "\n") {
                            $this->flushBuffer();
                            $this->line++;
                        }
                    }
                    break;

                case self::IN_TAG_TYPE:
                    $i += $this->otagLen - 1;
                    $char = $text[$i + 1];
                    if (isset(self::$tagTypes[$char])) {
                        $tag = $char;
                        $this->tagType = $tag;
                    } else {
                        $tag = null;
                        $this->tagType = self::T_ESCAPED;
                    }

                    if ($this->tagType === self::T_DELIM_CHANGE) {
                        $i = $this->changeDelimiters($text, $i);
                        $this->state = self::IN_TEXT;
                    } elseif ($this->tagType === self::T_PRAGMA) {
                        $i = $this->addPragma($text, $i);
                        $this->state = self::IN_TEXT;
                    } else {
                        if ($tag !== null) {
                            $i++;
                        }
                        $this->state = self::IN_TAG;
                    }
                    $this->seenTag = $i;
                    break;

                default:
                    if ($this->tagChange($this->ctag, $this->ctagLen, $text, $i)) {
                        $token = array(
                            self::TYPE  => $this->tagType,
                            self::NAME  => trim($this->buffer),
                            self::OTAG  => $this->otag,
                            self::CTAG  => $this->ctag,
                            self::LINE  => $this->line,
                            self::INDEX => ($this->tagType === self::T_END_SECTION) ? $this->seenTag - $this->otagLen : $i + $this->ctagLen,
                        );

                        if ($this->tagType === self::T_UNESCAPED) {
                            // Clean up `{{{ tripleStache }}}` style tokens.
                            if ($this->ctag === '}}') {
                                if (($i + 2 < $len) && $text[$i + 2] === '}') {
                                    $i++;
                                } else {
                                    $msg = sprintf(
                                        'Mismatched tag delimiters: %s on line %d',
                                        $token[self::NAME],
                                        $token[self::LINE]
                                    );

                                    throw new Mustache_Exception_SyntaxException($msg, $token);
                                }
                            } else {
                                $lastName = $token[self::NAME];
                                if (substr($lastName, -1) === '}') {
                                    $token[self::NAME] = trim(substr($lastName, 0, -1));
                                } else {
                                    $msg = sprintf(
                                        'Mismatched tag delimiters: %s on line %d',
                                        $token[self::NAME],
                                        $token[self::LINE]
                                    );

                                    throw new Mustache_Exception_SyntaxException($msg, $token);
                                }
                            }
                        }

                        $this->buffer = '';
                        $i += $this->ctagLen - 1;
                        $this->state = self::IN_TEXT;
                        $this->tokens[] = $token;
                    } else {
                        $this->buffer .= $text[$i];
                    }
                    break;
            }
        }

        $this->flushBuffer();

        // Restore the user's encoding...
        if ($encoding) {
            mb_internal_encoding($encoding);
        }

        return $this->tokens;
    }

    /**
     * Helper function to reset tokenizer internal state.
     */
    private function reset()
    {
        $this->state   = self::IN_TEXT;
        $this->tagType = null;
        $this->buffer  = '';
        $this->tokens  = array();
        $this->seenTag = false;
        $this->line    = 0;
        $this->otag    = '{{';
        $this->ctag    = '}}';
        $this->otagLen = 2;
        $this->ctagLen = 2;
    }

    /**
     * Flush the current buffer to a token.
     */
    private function flushBuffer()
    {
        if (strlen($this->buffer) > 0) {
            $this->tokens[] = array(
                self::TYPE  => self::T_TEXT,
                self::LINE  => $this->line,
                self::VALUE => $this->buffer,
            );
            $this->buffer   = '';
        }
    }

    /**
     * Change the current Mustache delimiters. Set new `otag` and `ctag` values.
     *
     * @param string $text  Mustache template source
     * @param int    $index Current tokenizer index
     *
     * @return int New index value
     */
    private function changeDelimiters($text, $index)
    {
        $startIndex = strpos($text, '=', $index) + 1;
        $close      = '=' . $this->ctag;
        $closeIndex = strpos($text, $close, $index);

        $this->setDelimiters(trim(substr($text, $startIndex, $closeIndex - $startIndex)));

        $this->tokens[] = array(
            self::TYPE => self::T_DELIM_CHANGE,
            self::LINE => $this->line,
        );

        return $closeIndex + strlen($close) - 1;
    }

    /**
     * Set the current Mustache `otag` and `ctag` delimiters.
     *
     * @param string $delimiters
     */
    private function setDelimiters($delimiters)
    {
        list($otag, $ctag) = explode(' ', $delimiters);
        $this->otag = $otag;
        $this->ctag = $ctag;
        $this->otagLen = strlen($otag);
        $this->ctagLen = strlen($ctag);
    }

    /**
     * Add pragma token.
     *
     * Pragmas are hoisted to the front of the template, so all pragma tokens
     * will appear at the front of the token list.
     *
     * @param string $text
     * @param int    $index
     *
     * @return int New index value
     */
    private function addPragma($text, $index)
    {
        $end    = strpos($text, $this->ctag, $index);
        $pragma = trim(substr($text, $index + 2, $end - $index - 2));

        // Pragmas are hoisted to the front of the template.
        array_unshift($this->tokens, array(
            self::TYPE => self::T_PRAGMA,
            self::NAME => $pragma,
            self::LINE => 0,
        ));

        return $end + $this->ctagLen - 1;
    }

    /**
     * Test whether it's time to change tags.
     *
     * @param string $tag    Current tag name
     * @param int    $tagLen Current tag name length
     * @param string $text   Mustache template source
     * @param int    $index  Current tokenizer index
     *
     * @return bool True if this is a closing section tag
     */
    private function tagChange($tag, $tagLen, $text, $index)
    {
        return substr($text, $index, $tagLen) === $tag;
    }
}
<?php
/**
 * PEAR package builder
 *
 * Inspired by Twig's create_pear_package.php.
 * @link https://raw.github.com/fabpot/Twig/master/bin/create_pear_package.php
 * @author Twig Team
 * @license BSD license
 */

if (!isset($argv[1]) || $argv[1] === '-h' || $argv[1] === '--help') {
	echo 'usage: php ' . $argv[0] . ' <version> <stability>' . PHP_EOL;
	echo PHP_EOL;
	echo '    version:' . PHP_EOL;
	echo '        Version of the package, in the form of major.minor.bug' . PHP_EOL;
	echo PHP_EOL;
	echo '    stability:' . PHP_EOL;
	echo '        One of alpha, beta, stable' . PHP_EOL;
	die();
}

if (!isset($argv[2])) {
	die('You must provide the stability (alpha, beta, or stable)');
}

$context = array(
	'date'          => gmdate('Y-m-d'),
	'time'          => gmdate('H:m:00'),
	'version'       => $argv[1],
	'api_version'   => $argv[1],
	'stability'     => $argv[2],
	'api_stability' => $argv[2],
);

$context['files'] = '';
$path = realpath(dirname(__FILE__).'/../library/Requests');
foreach (new RecursiveIteratorIterator(new RecursiveDirectoryIterator($path), RecursiveIteratorIterator::LEAVES_ONLY) as $file) {
	if (preg_match('/\.php$/', $file)) 	{
		$name = str_replace($path . DIRECTORY_SEPARATOR, '', $file);
		$name = str_replace(DIRECTORY_SEPARATOR, '/', $name);
		$context['files'][] = "\t\t\t\t\t" . '<file install-as="Requests/' . $name . '" name="' . $name . '" role="php" />';
	}
}

$context['files'] = implode("\n", $context['files']);

$template = file_get_contents(dirname(__FILE__).'/../package.xml.tpl');
$content = preg_replace_callback('/\{\{\s*([a-zA-Z0-9_]+)\s*\}\}/', 'replace_parameters', $template);
file_put_contents(dirname(__FILE__).'/../package.xml', $content);

function replace_parameters($matches) {
	global $context;

	return isset($context[$matches[1]]) ? $context[$matches[1]] : null;
}
<?php

// First, include Requests
include('../library/Requests.php');

// Next, make sure Requests can load internal classes
Requests::register_autoloader();

// Now let's make a request!
$options = array(
	'auth' => array('someuser', 'password')
);
$request = Requests::get('http://httpbin.org/basic-auth/someuser/password', array(), $options);

// Check what we received
var_dump($request);<?php

// First, include Requests
include('../library/Requests.php');

// Next, make sure Requests can load internal classes
Requests::register_autoloader();

// Now let's make a request!
$request = Requests::get('http://httpbin.org/get', array('Accept' => 'application/json'));

// Check what we received
var_dump($request);<?php

// First, include Requests
include('../library/Requests.php');

// Next, make sure Requests can load internal classes
Requests::register_autoloader();

// Setup what we want to request
$requests = array(
	array(
		'url' => 'http://httpbin.org/get',
		'headers' => array('Accept' => 'application/javascript'),
	),
	'post' => array(
		'url' => 'http://httpbin.org/post',
		'data' => array('mydata' => 'something'),
	),
	'delayed' => array(
		'url' => 'http://httpbin.org/delay/10',
		'options' => array(
			'timeout' => 20,
		),
	),
);

// Setup a callback
function my_callback(&$request, $id) {
	var_dump($id, $request);
}

// Tell Requests to use the callback
$options = array(
	'complete' => 'my_callback',
);

// Send the request!
$responses = Requests::request_multiple($requests, $options);

// Note: the response from the above call will be an associative array matching
// $requests with the response data, however we've already handled it in
// my_callback() anyway!
//
// If you don't believe me, uncomment this:
# var_dump($responses);<?php

// First, include Requests
include('../library/Requests.php');

// Next, make sure Requests can load internal classes
Requests::register_autoloader();

// Now let's make a request!
$request = Requests::post('http://httpbin.org/post', array(), array('mydata' => 'something'));

// Check what we received
var_dump($request);<?php

// First, include Requests
include('../library/Requests.php');

// Next, make sure Requests can load internal classes
Requests::register_autoloader();

// Now let's make a request via a proxy.
$options = array(
	'proxy' => '127.0.0.1:8080', // syntax: host:port, eg 12.13.14.14:8080 or someproxy.com:3128
	// If you need to authenticate, use the following syntax:
	// 'proxy' => array( '127.0.0.1:8080', 'username', 'password' ),
);
$request = Requests::get('http://httpbin.org/ip', array(), $options );

// See result
var_dump($request->body);
<?php

// First, include Requests
include('../library/Requests.php');

// Next, make sure Requests can load internal classes
Requests::register_autoloader();

// Set up our session
$session = new Requests_Session('http://httpbin.org/');
$session->headers['Accept'] = 'application/json';
$session->useragent = 'Awesomesauce';

// Now let's make a request!
$request = $session->get('/get');

// Check what we received
var_dump($request);

// Let's check our user agent!
$request = $session->get('/user-agent');

// And check again
var_dump($request);
<?php
/**
 * Requests for PHP
 *
 * Inspired by Requests for Python.
 *
 * Based on concepts from SimplePie_File, RequestCore and WP_Http.
 *
 * @package Requests
 */

/**
 * Requests for PHP
 *
 * Inspired by Requests for Python.
 *
 * Based on concepts from SimplePie_File, RequestCore and WP_Http.
 *
 * @package Requests
 */
class Requests {
	/**
	 * POST method
	 *
	 * @var string
	 */
	const POST = 'POST';

	/**
	 * PUT method
	 *
	 * @var string
	 */
	const PUT = 'PUT';

	/**
	 * GET method
	 *
	 * @var string
	 */
	const GET = 'GET';

	/**
	 * HEAD method
	 *
	 * @var string
	 */
	const HEAD = 'HEAD';

	/**
	 * DELETE method
	 *
	 * @var string
	 */
	const DELETE = 'DELETE';

	/**
	 * PATCH method
	 *
	 * @link http://tools.ietf.org/html/rfc5789
	 * @var string
	 */
	const PATCH = 'PATCH';

	/**
	 * Current version of Requests
	 *
	 * @var string
	 */
	const VERSION = '1.6.1';

	/**
	 * Registered transport classes
	 *
	 * @var array
	 */
	protected static $transports = array();

	/**
	 * Selected transport name
	 *
	 * Use {@see get_transport()} instead
	 *
	 * @var string|null
	 */
	public static $transport = null;

	/**
	 * This is a static class, do not instantiate it
	 *
	 * @codeCoverageIgnore
	 */
	private function __construct() {}

	/**
	 * Autoloader for Requests
	 *
	 * Register this with {@see register_autoloader()} if you'd like to avoid
	 * having to create your own.
	 *
	 * (You can also use `spl_autoload_register` directly if you'd prefer.)
	 *
	 * @codeCoverageIgnore
	 *
	 * @param string $class Class name to load
	 */
	public static function autoloader($class) {
		// Check that the class starts with "Requests"
		if (strpos($class, 'Requests') !== 0) {
			return;
		}

		$file = str_replace('_', '/', $class);
		if (file_exists(dirname(__FILE__) . '/' . $file . '.php')) {
			require_once(dirname(__FILE__) . '/' . $file . '.php');
		}
	}

	/**
	 * Register the built-in autoloader
	 *
	 * @codeCoverageIgnore
	 */
	public static function register_autoloader() {
		spl_autoload_register(array('Requests', 'autoloader'));
	}

	/**
	 * Register a transport
	 *
	 * @param string $transport Transport class to add, must support the Requests_Transport interface
	 */
	public static function add_transport($transport) {
		if (empty(self::$transports)) {
			self::$transports = array(
				'Requests_Transport_cURL',
				'Requests_Transport_fsockopen',
			);
		}

		self::$transports = array_merge(self::$transports, array($transport));
	}

	/**
	 * Get a working transport
	 *
	 * @throws Requests_Exception If no valid transport is found (`notransport`)
	 * @return Requests_Transport
	 */
	protected static function get_transport() {
		// Caching code, don't bother testing coverage
		// @codeCoverageIgnoreStart
		if (self::$transport !== null) {
			return new self::$transport();
		}
		// @codeCoverageIgnoreEnd

		if (empty(self::$transports)) {
			self::$transports = array(
				'Requests_Transport_cURL',
				'Requests_Transport_fsockopen',
			);
		}

		// Find us a working transport
		foreach (self::$transports as $class) {
			if (!class_exists($class))
				continue;

			$result = call_user_func(array($class, 'test'));
			if ($result) {
				self::$transport = $class;
				break;
			}
		}
		if (self::$transport === null) {
			throw new Requests_Exception('No working transports found', 'notransport', self::$transports);
		}

		return new self::$transport();
	}

	/**#@+
	 * @see request()
	 * @param string $url
	 * @param array $headers
	 * @param array $options
	 * @return Requests_Response
	 */
	/**
	 * Send a GET request
	 */
	public static function get($url, $headers = array(), $options = array()) {
		return self::request($url, $headers, null, self::GET, $options);
	}

	/**
	 * Send a HEAD request
	 */
	public static function head($url, $headers = array(), $options = array()) {
		return self::request($url, $headers, null, self::HEAD, $options);
	}

	/**
	 * Send a DELETE request
	 */
	public static function delete($url, $headers = array(), $options = array()) {
		return self::request($url, $headers, null, self::DELETE, $options);
	}
	/**#@-*/

	/**#@+
	 * @see request()
	 * @param string $url
	 * @param array $headers
	 * @param array $data
	 * @param array $options
	 * @return Requests_Response
	 */
	/**
	 * Send a POST request
	 */
	public static function post($url, $headers = array(), $data = array(), $options = array()) {
		return self::request($url, $headers, $data, self::POST, $options);
	}
	/**
	 * Send a PUT request
	 */
	public static function put($url, $headers = array(), $data = array(), $options = array()) {
		return self::request($url, $headers, $data, self::PUT, $options);
	}

	/**
	 * Send a PATCH request
	 *
	 * Note: Unlike {@see post} and {@see put}, `$headers` is required, as the
	 * specification recommends that should send an ETag
	 *
	 * @link http://tools.ietf.org/html/rfc5789
	 */
	public static function patch($url, $headers, $data = array(), $options = array()) {
		return self::request($url, $headers, $data, self::PATCH, $options);
	}
	/**#@-*/

	/**
	 * Main interface for HTTP requests
	 *
	 * This method initiates a request and sends it via a transport before
	 * parsing.
	 *
	 * The `$options` parameter takes an associative array with the following
	 * options:
	 *
	 * - `timeout`: How long should we wait for a response?
	 *    (integer, seconds, default: 10)
	 * - `useragent`: Useragent to send to the server
	 *    (string, default: php-requests/$version)
	 * - `follow_redirects`: Should we follow 3xx redirects?
	 *    (boolean, default: true)
	 * - `redirects`: How many times should we redirect before erroring?
	 *    (integer, default: 10)
	 * - `blocking`: Should we block processing on this request?
	 *    (boolean, default: true)
	 * - `filename`: File to stream the body to instead.
	 *    (string|boolean, default: false)
	 * - `auth`: Authentication handler or array of user/password details to use
	 *    for Basic authentication
	 *    (Requests_Auth|array|boolean, default: false)
	 * - `proxy`: Proxy details to use for proxy by-passing and authentication
	 *    (Requests_Proxy|array|boolean, default: false)
	 * - `idn`: Enable IDN parsing
	 *    (boolean, default: true)
	 * - `transport`: Custom transport. Either a class name, or a
	 *    transport object. Defaults to the first working transport from
	 *    {@see getTransport()}
	 *    (string|Requests_Transport, default: {@see getTransport()})
	 * - `hooks`: Hooks handler.
	 *    (Requests_Hooker, default: new Requests_Hooks())
	 * - `verify`: Should we verify SSL certificates? Allows passing in a custom
	 *    certificate file as a string. (Using true uses the system-wide root
	 *    certificate store instead, but this may have different behaviour
	 *    across transports.)
	 *    (string|boolean, default: library/Requests/Transport/cacert.pem)
	 * - `verifyname`: Should we verify the common name in the SSL certificate?
	 *    (boolean: default, true)
	 *
	 * @throws Requests_Exception On invalid URLs (`nonhttp`)
	 *
	 * @param string $url URL to request
	 * @param array $headers Extra headers to send with the request
	 * @param array $data Data to send either as a query string for GET/HEAD requests, or in the body for POST requests
	 * @param string $type HTTP request type (use Requests constants)
	 * @param array $options Options for the request (see description for more information)
	 * @return Requests_Response
	 */
	public static function request($url, $headers = array(), $data = array(), $type = self::GET, $options = array()) {
		if (empty($options['type'])) {
			$options['type'] = $type;
		}
		$options = array_merge(self::get_default_options(), $options);

		self::set_defaults($url, $headers, $data, $type, $options);

		$options['hooks']->dispatch('requests.before_request', array(&$url, &$headers, &$data, &$type, &$options));

		if (!empty($options['transport'])) {
			$transport = $options['transport'];

			if (is_string($options['transport'])) {
				$transport = new $transport();
			}
		}
		else {
			$transport = self::get_transport();
		}
		$response = $transport->request($url, $headers, $data, $options);

		$options['hooks']->dispatch('requests.before_parse', array(&$response, $url, $headers, $data, $type, $options));

		return self::parse_response($response, $url, $headers, $data, $options);
	}

	/**
	 * Send multiple HTTP requests simultaneously
	 *
	 * The `$requests` parameter takes an associative or indexed array of
	 * request fields. The key of each request can be used to match up the
	 * request with the returned data, or with the request passed into your
	 * `multiple.request.complete` callback.
	 *
	 * The request fields value is an associative array with the following keys:
	 *
	 * - `url`: Request URL Same as the `$url` parameter to
	 *    {@see Requests::request}
	 *    (string, required)
	 * - `headers`: Associative array of header fields. Same as the `$headers`
	 *    parameter to {@see Requests::request}
	 *    (array, default: `array()`)
	 * - `data`: Associative array of data fields or a string. Same as the
	 *    `$data` parameter to {@see Requests::request}
	 *    (array|string, default: `array()`)
	 * - `type`: HTTP request type (use Requests constants). Same as the `$type`
	 *    parameter to {@see Requests::request}
	 *    (string, default: `Requests::GET`)
	 * - `data`: Associative array of options. Same as the `$options` parameter
	 *    to {@see Requests::request}
	 *    (array, default: see {@see Requests::request})
	 * - `cookies`: Associative array of cookie name to value, or cookie jar.
	 *    (array|Requests_Cookie_Jar)
	 *
	 * If the `$options` parameter is specified, individual requests will
	 * inherit options from it. This can be used to use a single hooking system,
	 * or set all the types to `Requests::POST`, for example.
	 *
	 * In addition, the `$options` parameter takes the following global options:
	 *
	 * - `complete`: A callback for when a request is complete. Takes two
	 *    parameters, a Requests_Response/Requests_Exception reference, and the
	 *    ID from the request array (Note: this can also be overridden on a
	 *    per-request basis, although that's a little silly)
	 *    (callback)
	 *
	 * @param array $requests Requests data (see description for more information)
	 * @param array $options Global and default options (see {@see Requests::request})
	 * @return array Responses (either Requests_Response or a Requests_Exception object)
	 */
	public static function request_multiple($requests, $options = array()) {
		$options = array_merge(self::get_default_options(true), $options);

		if (!empty($options['hooks'])) {
			$options['hooks']->register('transport.internal.parse_response', array('Requests', 'parse_multiple'));
			if (!empty($options['complete'])) {
				$options['hooks']->register('multiple.request.complete', $options['complete']);
			}
		}

		foreach ($requests as $id => &$request) {
			if (!isset($request['headers'])) {
				$request['headers'] = array();
			}
			if (!isset($request['data'])) {
				$request['data'] = array();
			}
			if (!isset($request['type'])) {
				$request['type'] = self::GET;
			}
			if (!isset($request['options'])) {
				$request['options'] = $options;
				$request['options']['type'] = $request['type'];
			}
			else {
				if (empty($request['options']['type'])) {
					$request['options']['type'] = $request['type'];
				}
				$request['options'] = array_merge($options, $request['options']);
			}

			self::set_defaults($request['url'], $request['headers'], $request['data'], $request['type'], $request['options']);

			// Ensure we only hook in once
			if ($request['options']['hooks'] !== $options['hooks']) {
				$request['options']['hooks']->register('transport.internal.parse_response', array('Requests', 'parse_multiple'));
				if (!empty($request['options']['complete'])) {
					$request['options']['hooks']->register('multiple.request.complete', $request['options']['complete']);
				}
			}
		}
		unset($request);

		if (!empty($options['transport'])) {
			$transport = $options['transport'];

			if (is_string($options['transport'])) {
				$transport = new $transport();
			}
		}
		else {
			$transport = self::get_transport();
		}
		$responses = $transport->request_multiple($requests, $options);

		foreach ($responses as $id => &$response) {
			// If our hook got messed with somehow, ensure we end up with the
			// correct response
			if (is_string($response)) {
				$request = $requests[$id];
				self::parse_multiple($response, $request);
				$request['options']['hooks']->dispatch('multiple.request.complete', array(&$response, $id));
			}
		}

		return $responses;
	}

	/**
	 * Get the default options
	 *
	 * @see Requests::request() for values returned by this method
	 * @param boolean $multirequest Is this a multirequest?
	 * @return array Default option values
	 */
	protected static function get_default_options($multirequest = false) {
		$defaults = array(
			'timeout' => 10,
			'useragent' => 'php-requests/' . self::VERSION,
			'redirected' => 0,
			'redirects' => 10,
			'follow_redirects' => true,
			'blocking' => true,
			'type' => self::GET,
			'filename' => false,
			'auth' => false,
			'proxy' => false,
			'cookies' => false,
			'idn' => true,
			'hooks' => null,
			'transport' => null,
			'verify' => dirname( __FILE__ ) . '/Requests/Transport/cacert.pem',
			'verifyname' => true,
		);
		if ($multirequest !== false) {
			$defaults['complete'] = null;
		}
		return $defaults;
	}

	/**
	 * Set the default values
	 *
	 * @param string $url URL to request
	 * @param array $headers Extra headers to send with the request
	 * @param array $data Data to send either as a query string for GET/HEAD requests, or in the body for POST requests
	 * @param string $type HTTP request type
	 * @param array $options Options for the request
	 * @return array $options
	 */
	protected static function set_defaults(&$url, &$headers, &$data, &$type, &$options) {
		if (!preg_match('/^http(s)?:\/\//i', $url)) {
			throw new Requests_Exception('Only HTTP requests are handled.', 'nonhttp', $url);
		}

		if (empty($options['hooks'])) {
			$options['hooks'] = new Requests_Hooks();
		}

		if (is_array($options['auth'])) {
			$options['auth'] = new Requests_Auth_Basic($options['auth']);
		}
		if ($options['auth'] !== false) {
			$options['auth']->register($options['hooks']);
		}

		if (!empty($options['proxy'])) {
			$options['proxy'] = new Requests_Proxy_HTTP($options['proxy']);
		}
		if ($options['proxy'] !== false) {
			$options['proxy']->register($options['hooks']);
		}

		if (is_array($options['cookies'])) {
			$options['cookies'] = new Requests_Cookie_Jar($options['cookies']);
		}
		elseif (empty($options['cookies'])) {
			$options['cookies'] = new Requests_Cookie_Jar();
		}
		if ($options['cookies'] !== false) {
			$options['cookies']->register($options['hooks']);
		}

		if ($options['idn'] !== false) {
			$iri = new Requests_IRI($url);
			$iri->host = Requests_IDNAEncoder::encode($iri->ihost);
			$url = $iri->uri;
		}
	}

	/**
	 * HTTP response parser
	 *
	 * @throws Requests_Exception On missing head/body separator (`requests.no_crlf_separator`)
	 * @throws Requests_Exception On missing head/body separator (`noversion`)
	 * @throws Requests_Exception On missing head/body separator (`toomanyredirects`)
	 *
	 * @param string $headers Full response text including headers and body
	 * @param string $url Original request URL
	 * @param array $req_headers Original $headers array passed to {@link request()}, in case we need to follow redirects
	 * @param array $req_data Original $data array passed to {@link request()}, in case we need to follow redirects
	 * @param array $options Original $options array passed to {@link request()}, in case we need to follow redirects
	 * @return Requests_Response
	 */
	protected static function parse_response($headers, $url, $req_headers, $req_data, $options) {
		$return = new Requests_Response();
		if (!$options['blocking']) {
			return $return;
		}

		$return->raw = $headers;
		$return->url = $url;

		if (!$options['filename']) {
			if (($pos = strpos($headers, "\r\n\r\n")) === false) {
				// Crap!
				throw new Requests_Exception('Missing header/body separator', 'requests.no_crlf_separator');
			}

			$headers = substr($return->raw, 0, $pos);
			$return->body = substr($return->raw, $pos + strlen("\n\r\n\r"));
		}
		else {
			$return->body = '';
		}
		// Pretend CRLF = LF for compatibility (RFC 2616, section 19.3)
		$headers = str_replace("\r\n", "\n", $headers);
		// Unfold headers (replace [CRLF] 1*( SP | HT ) with SP) as per RFC 2616 (section 2.2)
		$headers = preg_replace('/\n[ \t]/', ' ', $headers);
		$headers = explode("\n", $headers);
		preg_match('#^HTTP/1\.\d[ \t]+(\d+)#i', array_shift($headers), $matches);
		if (empty($matches)) {
			throw new Requests_Exception('Response could not be parsed', 'noversion', $headers);
		}
		$return->status_code = (int) $matches[1];
		if ($return->status_code >= 200 && $return->status_code < 300) {
			$return->success = true;
		}

		foreach ($headers as $header) {
			list($key, $value) = explode(':', $header, 2);
			$value = trim($value);
			preg_replace('#(\s+)#i', ' ', $value);
			$return->headers[$key] = $value;
		}
		if (isset($return->headers['transfer-encoding'])) {
			$return->body = self::decode_chunked($return->body);
			unset($return->headers['transfer-encoding']);
		}
		if (isset($return->headers['content-encoding'])) {
			$return->body = self::decompress($return->body);
		}

		//fsockopen and cURL compatibility
		if (isset($return->headers['connection'])) {
			unset($return->headers['connection']);
		}

		$options['hooks']->dispatch('requests.before_redirect_check', array(&$return, $req_headers, $req_data, $options));

		if ((in_array($return->status_code, array(300, 301, 302, 303, 307)) || $return->status_code > 307 && $return->status_code < 400) && $options['follow_redirects'] === true) {
			if (isset($return->headers['location']) && $options['redirected'] < $options['redirects']) {
				if ($return->status_code === 303) {
					$options['type'] = Requests::GET;
				}
				$options['redirected']++;
				$location = $return->headers['location'];
				if (strpos ($location, '/') === 0) {
					// relative redirect, for compatibility make it absolute
					$location = Requests_IRI::absolutize($url, $location);
					$location = $location->uri;
				}
				$redirected = self::request($location, $req_headers, $req_data, false, $options);
				$redirected->history[] = $return;
				return $redirected;
			}
			elseif ($options['redirected'] >= $options['redirects']) {
				throw new Requests_Exception('Too many redirects', 'toomanyredirects', $return);
			}
		}

		$return->redirects = $options['redirected'];

		$options['hooks']->dispatch('requests.after_request', array(&$return, $req_headers, $req_data, $options));
		return $return;
	}

	/**
	 * Callback for `transport.internal.parse_response`
	 *
	 * Internal use only. Converts a raw HTTP response to a Requests_Response
	 * while still executing a multiple request.
	 *
	 * @param string $headers Full response text including headers and body
	 * @param array $request Request data as passed into {@see Requests::request_multiple()}
	 * @return null `$response` is either set to a Requests_Response instance, or a Requests_Exception object
	 */
	public static function parse_multiple(&$response, $request) {
		try {
			$response = self::parse_response($response, $request['url'], $request['headers'], $request['data'], $request['options']);
		}
		catch (Requests_Exception $e) {
			$response = $e;
		}
	}

	/**
	 * Decoded a chunked body as per RFC 2616
	 *
	 * @see http://tools.ietf.org/html/rfc2616#section-3.6.1
	 * @param string $data Chunked body
	 * @return string Decoded body
	 */
	protected static function decode_chunked($data) {
		if (!preg_match('/^([0-9a-f]+)[^\r\n]*\r\n/i', trim($data))) {
			return $data;
		}

		$decoded = '';
		$encoded = $data;

		while (true) {
			$is_chunked = (bool) preg_match( '/^([0-9a-f]+)[^\r\n]*\r\n/i', $encoded, $matches );
			if (!$is_chunked) {
				// Looks like it's not chunked after all
				return $data;
			}

			$length = hexdec(trim($matches[1]));
			if ($length === 0) {
				// Ignore trailer headers
				return $decoded;
			}

			$chunk_length = strlen($matches[0]);
			$decoded .= $part = substr($encoded, $chunk_length, $length);
			$encoded = substr($encoded, $chunk_length + $length + 2);

			if (trim($encoded) === '0' || empty($encoded)) {
				return $decoded;
			}
		}

		// We'll never actually get down here
		// @codeCoverageIgnoreStart
	}
	// @codeCoverageIgnoreEnd

	/**
	 * Convert a key => value array to a 'key: value' array for headers
	 *
	 * @param array $array Dictionary of header values
	 * @return array List of headers
	 */
	public static function flatten($array) {
		$return = array();
		foreach ($array as $key => $value) {
			$return[] = "$key: $value";
		}
		return $return;
	}

	/**
	 * Convert a key => value array to a 'key: value' array for headers
	 *
	 * @deprecated Misspelling of {@see Requests::flatten}
	 * @param array $array Dictionary of header values
	 * @return array List of headers
	 */
	public static function flattern($array) {
		return self::flatten($array);
	}

	/**
	 * Decompress an encoded body
	 *
	 * Implements gzip, compress and deflate. Guesses which it is by attempting
	 * to decode.
	 *
	 * @todo Make this smarter by defaulting to whatever the headers say first
	 * @param string $data Compressed data in one of the above formats
	 * @return string Decompressed string
	 */
	public static function decompress($data) {
		if (substr($data, 0, 2) !== "\x1f\x8b" && substr($data, 0, 2) !== "\x78\x9c") {
			// Not actually compressed. Probably cURL ruining this for us.
			return $data;
		}

		if (function_exists('gzdecode') && ($decoded = @gzdecode($data)) !== false) {
			return $decoded;
		}
		elseif (function_exists('gzinflate') && ($decoded = @gzinflate($data)) !== false) {
			return $decoded;
		}
		elseif (($decoded = self::compatible_gzinflate($data)) !== false) {
			return $decoded;
		}
		elseif (function_exists('gzuncompress') && ($decoded = @gzuncompress($data)) !== false) {
			return $decoded;
		}

		return $data;
	}

	/**
	 * Decompression of deflated string while staying compatible with the majority of servers.
	 *
	 * Certain Servers will return deflated data with headers which PHP's gzinflate()
	 * function cannot handle out of the box. The following function has been created from
	 * various snippets on the gzinflate() PHP documentation.
	 *
	 * Warning: Magic numbers within. Due to the potential different formats that the compressed
	 * data may be returned in, some "magic offsets" are needed to ensure proper decompression
	 * takes place. For a simple progmatic way to determine the magic offset in use, see:
	 * http://core.trac.wordpress.org/ticket/18273
	 *
	 * @since 2.8.1
	 * @link http://core.trac.wordpress.org/ticket/18273
	 * @link http://au2.php.net/manual/en/function.gzinflate.php#70875
	 * @link http://au2.php.net/manual/en/function.gzinflate.php#77336
	 *
	 * @param string $gzData String to decompress.
	 * @return string|bool False on failure.
	 */
	public static function compatible_gzinflate($gzData) {
		// Compressed data might contain a full zlib header, if so strip it for
		// gzinflate()
		if ( substr($gzData, 0, 3) == "\x1f\x8b\x08" ) {
			$i = 10;
			$flg = ord( substr($gzData, 3, 1) );
			if ( $flg > 0 ) {
				if ( $flg & 4 ) {
					list($xlen) = unpack('v', substr($gzData, $i, 2) );
					$i = $i + 2 + $xlen;
				}
				if ( $flg & 8 )
					$i = strpos($gzData, "\0", $i) + 1;
				if ( $flg & 16 )
					$i = strpos($gzData, "\0", $i) + 1;
				if ( $flg & 2 )
					$i = $i + 2;
			}
			$decompressed = self::compatible_gzinflate( substr( $gzData, $i ) );
			if ( false !== $decompressed ) {
				return $decompressed;
			}
		}

		// If the data is Huffman Encoded, we must first strip the leading 2
		// byte Huffman marker for gzinflate()
		// The response is Huffman coded by many compressors such as
		// java.util.zip.Deflater, Rubyâ€™s Zlib::Deflate, and .NET's
		// System.IO.Compression.DeflateStream.
		//
		// See http://decompres.blogspot.com/ for a quick explanation of this
		// data type
		$huffman_encoded = false;

		// low nibble of first byte should be 0x08
		list( , $first_nibble )    = unpack( 'h', $gzData );

		// First 2 bytes should be divisible by 0x1F
		list( , $first_two_bytes ) = unpack( 'n', $gzData );

		if ( 0x08 == $first_nibble && 0 == ( $first_two_bytes % 0x1F ) )
			$huffman_encoded = true;

		if ( $huffman_encoded ) {
			if ( false !== ( $decompressed = @gzinflate( substr( $gzData, 2 ) ) ) )
				return $decompressed;
		}

		if ( "\x50\x4b\x03\x04" == substr( $gzData, 0, 4 ) ) {
			// ZIP file format header
			// Offset 6: 2 bytes, General-purpose field
			// Offset 26: 2 bytes, filename length
			// Offset 28: 2 bytes, optional field length
			// Offset 30: Filename field, followed by optional field, followed
			// immediately by data
			list( , $general_purpose_flag ) = unpack( 'v', substr( $gzData, 6, 2 ) );

			// If the file has been compressed on the fly, 0x08 bit is set of
			// the general purpose field. We can use this to differentiate
			// between a compressed document, and a ZIP file
			$zip_compressed_on_the_fly = ( 0x08 == (0x08 & $general_purpose_flag ) );

			if ( ! $zip_compressed_on_the_fly ) {
				// Don't attempt to decode a compressed zip file
				return $gzData;
			}

			// Determine the first byte of data, based on the above ZIP header
			// offsets:
			$first_file_start = array_sum( unpack( 'v2', substr( $gzData, 26, 4 ) ) );
			if ( false !== ( $decompressed = @gzinflate( substr( $gzData, 30 + $first_file_start ) ) ) ) {
				return $decompressed;
			}
			return false;
		}

		// Finally fall back to straight gzinflate
		if ( false !== ( $decompressed = @gzinflate( $gzData ) ) ) {
			return $decompressed;
		}

		// Fallback for all above failing, not expected, but included for
		// debugging and preventing regressions and to track stats
		if ( false !== ( $decompressed = @gzinflate( substr( $gzData, 2 ) ) ) ) {
			return $decompressed;
		}

		return false;
	}

	public static function match_domain($host, $reference) {
		// Check for a direct match
		if ($host === $reference) {
			return true;
		}

		// Calculate the valid wildcard match if the host is not an IP address
		// Also validates that the host has 3 parts or more, as per Firefox's
		// ruleset.
		$parts = explode('.', $host);
		if (ip2long($host) === false && count($parts) >= 3) {
			$parts[0] = '*';
			$wildcard = implode('.', $parts);
			if ($wildcard === $reference) {
				return true;
			}
		}

		return false;
	}
}
<?php
/**
 * Authentication provider interface
 *
 * @package Requests
 * @subpackage Authentication
 */

/**
 * Authentication provider interface
 *
 * Implement this interface to act as an authentication provider.
 *
 * Parameters should be passed via the constructor where possible, as this
 * makes it much easier for users to use your provider.
 *
 * @see Requests_Hooks
 * @package Requests
 * @subpackage Authentication
 */
interface Requests_Auth {
	/**
	 * Register hooks as needed
	 *
	 * This method is called in {@see Requests::request} when the user has set
	 * an instance as the 'auth' option. Use this callback to register all the
	 * hooks you'll need.
	 *
	 * @see Requests_Hooks::register
	 * @param Requests_Hooks $hooks Hook system
	 */
	public function register(Requests_Hooks &$hooks);
}<?php
/**
 * Basic Authentication provider
 *
 * @package Requests
 * @subpackage Authentication
 */

/**
 * Basic Authentication provider
 *
 * Provides a handler for Basic HTTP authentication via the Authorization
 * header.
 *
 * @package Requests
 * @subpackage Authentication
 */
class Requests_Auth_Basic implements Requests_Auth {
	/**
	 * Username
	 *
	 * @var string
	 */
	public $user;

	/**
	 * Password
	 *
	 * @var string
	 */
	public $pass;

	/**
	 * Constructor
	 *
	 * @throws Requests_Exception On incorrect number of arguments (`authbasicbadargs`)
	 * @param array|null $args Array of user and password. Must have exactly two elements
	 */
	public function __construct($args = null) {
		if (is_array($args)) {
			if (count($args) !== 2) {
				throw new Requests_Exception('Invalid number of arguments', 'authbasicbadargs');
			}

			list($this->user, $this->pass) = $args;
		}
	}

	/**
	 * Register the necessary callbacks
	 *
	 * @see curl_before_send
	 * @see fsockopen_header
	 * @param Requests_Hooks $hooks Hook system
	 */
	public function register(Requests_Hooks &$hooks) {
		$hooks->register('curl.before_send', array(&$this, 'curl_before_send'));
		$hooks->register('fsockopen.after_headers', array(&$this, 'fsockopen_header'));
	}

	/**
	 * Set cURL parameters before the data is sent
	 *
	 * @param resource $handle cURL resource
	 */
	public function curl_before_send(&$handle) {
		curl_setopt($handle, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
		curl_setopt($handle, CURLOPT_USERPWD, $this->getAuthString());
	}

	/**
	 * Add extra headers to the request before sending
	 *
	 * @param string $out HTTP header string
	 */
	public function fsockopen_header(&$out) {
		$out .= "Authorization: Basic " . base64_encode($this->getAuthString()) . "\r\n";
	}

	/**
	 * Get the authentication string (user:pass)
	 *
	 * @return string
	 */
	public function getAuthString() {
		return $this->user . ':' . $this->pass;
	}
}<?php
/**
 * Cookie storage object
 *
 * @package Requests
 * @subpackage Cookies
 */

/**
 * Cookie storage object
 *
 * @package Requests
 * @subpackage Cookies
 */
class Requests_Cookie {
	/**
	 * 
	 * @var string
	 */
	public $name;

	/**
	 * @var string
	 */
	public $value;

	/**
	 * Cookie attributes
	 * 
	 * Valid keys are (currently) path, domain, expires, max-age, secure and
	 * httponly.
	 *
	 * @var array
	 */
	public $attributes = array();

	/**
	 * Create a new cookie object
	 *
	 * @param string $name
	 * @param string $value
	 * @param array $attributes Associative array of attribute data
	 */
	public function __construct($name, $value, $attributes = array()) {
		$this->name = $name;
		$this->value = $value;
		$this->attributes = $attributes;
	}

	/**
	 * Format a cookie for a Cookie header
	 *
	 * This is used when sending cookies to a server.
	 *
	 * @return string Cookie formatted for Cookie header
	 */
	public function formatForHeader() {
		return sprintf('%s=%s', $this->name, $this->value);
	}

	/**
	 * Format a cookie for a Set-Cookie header
	 *
	 * This is used when sending cookies to clients. This isn't really
	 * applicable to client-side usage, but might be handy for debugging.
	 *
	 * @return string Cookie formatted for Set-Cookie header
	 */
	public function formatForSetCookie() {
		$header_value = $this->formatForHeader();
		if (!empty($this->attributes)) {
			$parts = array();
			foreach ($this->attributes as $key => $value) {
				// Ignore non-associative attributes
				if (is_numeric($key)) {
					$parts[] = $value;
				}
				else {
					$parts[] = sprintf('%s=%s', $key, $value);
				}
			}

			$header_value .= '; ' . implode('; ', $parts);
		}
		return $header_value;
	}

	/**
	 * Get the cookie value
	 *
	 * Attributes and other data can be accessed via methods.
	 */
	public function __toString() {
		return $this->value;
	}

	/**
	 * Parse a cookie string into a cookie object
	 *
	 * Based on Mozilla's parsing code in Firefox and related projects, which
	 * is an intentional deviation from RFC 2109 and RFC 2616. RFC 6265
	 * specifies some of this handling, but not in a thorough manner.
	 *
	 * @param string Cookie header value (from a Set-Cookie header)
	 * @return Requests_Cookie Parsed cookie object
	 */
	public static function parse($string, $name = '') {
		$parts = explode(';', $string);
		$kvparts = array_shift($parts);

		if (!empty($name)) {
			$value = $string;
		}
		elseif (strpos($kvparts, '=') === false) {
			// Some sites might only have a value without the equals separator.
			// Deviate from RFC 6265 and pretend it was actually a blank name
			// (`=foo`)
			//
			// https://bugzilla.mozilla.org/show_bug.cgi?id=169091
			$name = '';
			$value = $kvparts;
		}
		else {
			list($name, $value) = explode('=', $kvparts, 2);
		}
		$name = trim($name);
		$value = trim($value);

		// Attribute key are handled case-insensitively
		$attributes = new Requests_Utility_CaseInsensitiveDictionary();

		if (!empty($parts)) {
			foreach ($parts as $part) {
				if (strpos($part, '=') === false) {
					$part_key = $part;
					$part_value = true;
				}
				else {
					list($part_key, $part_value) = explode('=', $part, 2);
					$part_value = trim($part_value);
				}

				$part_key = trim($part_key);
				$attributes[$part_key] = $part_value;
			}
		}

		return new Requests_Cookie($name, $value, $attributes);
	}

	/**
	 * Parse all Set-Cookie headers from request headers
	 *
	 * @param Requests_Response_Headers $headers
	 * @return array
	 */
	public static function parseFromHeaders(Requests_Response_Headers $headers) {
		$cookie_headers = $headers->getValues('Set-Cookie');
		if (empty($cookie_headers)) {
			return array();
		}

		$cookies = array();
		foreach ($cookie_headers as $header) {
			$parsed = self::parse($header);
			$cookies[$parsed->name] = $parsed;
		}

		return $cookies;
	}
}
<?php
/**
 * Cookie holder object
 *
 * @package Requests
 * @subpackage Cookies
 */

/**
 * Cookie holder object
 *
 * @package Requests
 * @subpackage Cookies
 */
class Requests_Cookie_Jar implements ArrayAccess, IteratorAggregate {
	/**
	 * Actual item data
	 *
	 * @var array
	 */
	protected $cookies = array();

	/**
	 * Create a new jar
	 *
	 * @param array $cookies Existing cookie values
	 */
	public function __construct($cookies = array()) {
		$this->cookies = $cookies;
	}

	/**
	 * Normalise cookie data into a Requests_Cookie
	 *
	 * @param string|Requests_Cookie $cookie
	 * @return Requests_Cookie
	 */
	public function normalizeCookie($cookie, $key = null) {
		if ($cookie instanceof Requests_Cookie) {
			return $cookie;
		}

		return Requests_Cookie::parse($cookie, $key);
	}

	/**
	 * Check if the given item exists
	 *
	 * @param string $key Item key
	 * @return boolean Does the item exist?
	 */
	public function offsetExists($key) {
		return isset($this->cookies[$key]);
	}

	/**
	 * Get the value for the item
	 *
	 * @param string $key Item key
	 * @return string Item value
	 */
	public function offsetGet($key) {
		if (!isset($this->cookies[$key]))
			return null;

		return $this->cookies[$key];
	}

	/**
	 * Set the given item
	 *
	 * @throws Requests_Exception On attempting to use dictionary as list (`invalidset`)
	 *
	 * @param string $key Item name
	 * @param string $value Item value
	 */
	public function offsetSet($key, $value) {
		if ($key === null) {
			throw new Requests_Exception('Object is a dictionary, not a list', 'invalidset');
		}

		$this->cookies[$key] = $value;
	}

	/**
	 * Unset the given header
	 *
	 * @param string $key
	 */
	public function offsetUnset($key) {
		unset($this->cookies[$key]);
	}

	/**
	 * Get an iterator for the data
	 *
	 * @return ArrayIterator
	 */
	public function getIterator() {
		return new ArrayIterator($this->cookies);
	}

	/**
	 * Register the cookie handler with the request's hooking system
	 *
	 * @param Requests_Hooker $hooks Hooking system
	 */
	public function register(Requests_Hooker $hooks) {
		$hooks->register('requests.before_request', array($this, 'before_request'));
		$hooks->register('requests.before_redirect_check', array($this, 'before_redirect_check'));
	}

	/**
	 * Add Cookie header to a request if we have any
	 *
	 * As per RFC 6265, cookies are separated by '; '
	 *
	 * @param string $url
	 * @param array $headers
	 * @param array $data
	 * @param string $type
	 * @param array $options
	 */
	public function before_request(&$url, &$headers, &$data, &$type, &$options) {
		if (!empty($this->cookies)) {
			$cookies = array();
			foreach ($this->cookies as $key => $cookie) {
				$cookie = $this->normalizeCookie($cookie, $key);
				$cookies[] = $cookie->formatForHeader();
			}

			$headers['Cookie'] = implode('; ', $cookies);
		}
	}

	/**
	 * Parse all cookies from a response and attach them to the response
	 *
	 * @var Requests_Response $response
	 */
	public function before_redirect_check(Requests_Response &$return) {
		$cookies = Requests_Cookie::parseFromHeaders($return->headers);
		$this->cookies = array_merge($this->cookies, $cookies);
		$return->cookies = $this;
	}
}<?php
/**
 * Exception for HTTP requests
 *
 * @package Requests
 */

/**
 * Exception for HTTP requests
 *
 * @package Requests
 */
class Requests_Exception extends Exception {
	/**
	 * Type of exception
	 *
	 * @var string
	 */
	protected $type;

	/**
	 * Data associated with the exception
	 *
	 * @var mixed
	 */
	protected $data;

	/**
	 * Create a new exception
	 *
	 * @param string $message Exception message
	 * @param string $type Exception type
	 * @param mixed $data Associated data
	 * @param integer $code Exception numerical code, if applicable
	 */
	public function __construct($message, $type, $data = null, $code = 0) {
		parent::__construct($message, $code);

		$this->type = $type;
		$this->data = $data;
	}

	/**
	 * Like {@see getCode()}, but a string code.
	 *
	 * @codeCoverageIgnore
	 * @return string
	 */
	public function getType() {
		return $this->type;
	}

	/**
	 * Gives any relevant data
	 *
	 * @codeCoverageIgnore
	 * @return mixed
	 */
	public function getData() {
		return $this->data;
	}
}<?php
/**
 * Exception based on HTTP response
 *
 * @package Requests
 */

/**
 * Exception based on HTTP response
 *
 * @package Requests
 */
class Requests_Exception_HTTP extends Requests_Exception {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 0;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Unknown';

	/**
	 * Create a new exception
	 *
	 * There is no mechanism to pass in the status code, as this is set by the
	 * subclass used. Reason phrases can vary, however.
	 *
	 * @param string $reason Reason phrase
	 * @param mixed $data Associated data
	 */
	public function __construct($reason = null, $data = null) {
		if ($reason !== null) {
			$this->reason = $reason;
		}

		$message = sprintf('%d %s', $this->code, $this->reason);
		parent::__construct($message, 'httpresponse', $data, $this->code);
	}

	/**
	 * Get the status message
	 */
	public function getReason() {
		return $this->reason;
	}

	/**
	 * Get the correct exception class for a given error code
	 *
	 * @param int $code HTTP status code
	 * @return string Exception class name to use
	 */
	public static function get_class($code) {
		$class = sprintf('Requests_Exception_HTTP_%d', $code);
		if (class_exists($class)) {
			return $class;
		}

		return 'Requests_Exception_HTTP_Unknown';
	}
}<?php
/**
 * Exception for 400 Bad Request responses
 *
 * @package Requests
 */

/**
 * Exception for 400 Bad Request responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_400 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 400;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Bad Request';
}<?php
/**
 * Exception for 401 Unauthorized responses
 *
 * @package Requests
 */

/**
 * Exception for 401 Unauthorized responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_401 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 401;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Unauthorized';
}<?php
/**
 * Exception for 402 Payment Required responses
 *
 * @package Requests
 */

/**
 * Exception for 402 Payment Required responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_402 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 402;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Payment Required';
}<?php
/**
 * Exception for 403 Forbidden responses
 *
 * @package Requests
 */

/**
 * Exception for 403 Forbidden responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_403 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 403;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Forbidden';
}<?php
/**
 * Exception for 404 Not Found responses
 *
 * @package Requests
 */

/**
 * Exception for 404 Not Found responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_404 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 404;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Not Found';
}<?php
/**
 * Exception for 405 Method Not Allowed responses
 *
 * @package Requests
 */

/**
 * Exception for 405 Method Not Allowed responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_405 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 405;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Method Not Allowed';
}<?php
/**
 * Exception for 406 Not Acceptable responses
 *
 * @package Requests
 */

/**
 * Exception for 406 Not Acceptable responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_406 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 406;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Not Acceptable';
}<?php
/**
 * Exception for 407 Proxy Authentication Required responses
 *
 * @package Requests
 */

/**
 * Exception for 407 Proxy Authentication Required responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_407 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 407;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Proxy Authentication Required';
}<?php
/**
 * Exception for 408 Request Timeout responses
 *
 * @package Requests
 */

/**
 * Exception for 408 Request Timeout responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_408 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 408;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Request Timeout';
}<?php
/**
 * Exception for 409 Conflict responses
 *
 * @package Requests
 */

/**
 * Exception for 409 Conflict responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_409 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 409;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Conflict';
}<?php
/**
 * Exception for 410 Gone responses
 *
 * @package Requests
 */

/**
 * Exception for 410 Gone responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_410 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 410;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Gone';
}<?php
/**
 * Exception for 411 Length Required responses
 *
 * @package Requests
 */

/**
 * Exception for 411 Length Required responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_411 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 411;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Length Required';
}<?php
/**
 * Exception for 412 Precondition Failed responses
 *
 * @package Requests
 */

/**
 * Exception for 412 Precondition Failed responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_412 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 412;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Precondition Failed';
}<?php
/**
 * Exception for 413 Request Entity Too Large responses
 *
 * @package Requests
 */

/**
 * Exception for 413 Request Entity Too Large responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_413 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 413;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Request Entity Too Large';
}<?php
/**
 * Exception for 414 Request-URI Too Large responses
 *
 * @package Requests
 */

/**
 * Exception for 414 Request-URI Too Large responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_414 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 414;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Request-URI Too Large';
}<?php
/**
 * Exception for 415 Unsupported Media Type responses
 *
 * @package Requests
 */

/**
 * Exception for 415 Unsupported Media Type responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_415 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 415;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Unsupported Media Type';
}<?php
/**
 * Exception for 416 Requested Range Not Satisfiable responses
 *
 * @package Requests
 */

/**
 * Exception for 416 Requested Range Not Satisfiable responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_416 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 416;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Requested Range Not Satisfiable';
}<?php
/**
 * Exception for 417 Expectation Failed responses
 *
 * @package Requests
 */

/**
 * Exception for 417 Expectation Failed responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_417 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 417;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Expectation Failed';
}<?php
/**
 * Exception for 418 I'm A Teapot responses
 *
 * @see http://tools.ietf.org/html/rfc2324
 * @package Requests
 */

/**
 * Exception for 418 I'm A Teapot responses
 *
 * @see http://tools.ietf.org/html/rfc2324
 * @package Requests
 */
class Requests_Exception_HTTP_418 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 418;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = "I'm A Teapot";
}<?php
/**
 * Exception for 428 Precondition Required responses
 *
 * @see http://tools.ietf.org/html/rfc6585
 * @package Requests
 */

/**
 * Exception for 428 Precondition Required responses
 *
 * @see http://tools.ietf.org/html/rfc6585
 * @package Requests
 */
class Requests_Exception_HTTP_428 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 428;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Precondition Required';
}<?php
/**
 * Exception for 429 Too Many Requests responses
 *
 * @see http://tools.ietf.org/html/draft-nottingham-http-new-status-04
 * @package Requests
 */

/**
 * Exception for 429 Too Many Requests responses
 *
 * @see http://tools.ietf.org/html/draft-nottingham-http-new-status-04
 * @package Requests
 */
class Requests_Exception_HTTP_429 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 429;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Too Many Requests';
}<?php
/**
 * Exception for 431 Request Header Fields Too Large responses
 *
 * @see http://tools.ietf.org/html/rfc6585
 * @package Requests
 */

/**
 * Exception for 431 Request Header Fields Too Large responses
 *
 * @see http://tools.ietf.org/html/rfc6585
 * @package Requests
 */
class Requests_Exception_HTTP_431 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 431;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Request Header Fields Too Large';
}<?php
/**
 * Exception for 500 Internal Server Error responses
 *
 * @package Requests
 */

/**
 * Exception for 500 Internal Server Error responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_500 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 500;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Internal Server Error';
}<?php
/**
 * Exception for 501 Not Implemented responses
 *
 * @package Requests
 */

/**
 * Exception for 501 Not Implemented responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_501 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 501;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Not Implemented';
}<?php
/**
 * Exception for 502 Bad Gateway responses
 *
 * @package Requests
 */

/**
 * Exception for 502 Bad Gateway responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_502 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 502;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Bad Gateway';
}<?php
/**
 * Exception for 503 Service Unavailable responses
 *
 * @package Requests
 */

/**
 * Exception for 503 Service Unavailable responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_503 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 503;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Service Unavailable';
}<?php
/**
 * Exception for 504 Gateway Timeout responses
 *
 * @package Requests
 */

/**
 * Exception for 504 Gateway Timeout responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_504 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 504;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Gateway Timeout';
}<?php
/**
 * Exception for 505 HTTP Version Not Supported responses
 *
 * @package Requests
 */

/**
 * Exception for 505 HTTP Version Not Supported responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_505 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 505;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'HTTP Version Not Supported';
}<?php
/**
 * Exception for 511 Network Authentication Required responses
 *
 * @see http://tools.ietf.org/html/rfc6585
 * @package Requests
 */

/**
 * Exception for 511 Network Authentication Required responses
 *
 * @see http://tools.ietf.org/html/rfc6585
 * @package Requests
 */
class Requests_Exception_HTTP_511 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 511;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Network Authentication Required';
}<?php
/**
 * Exception for unknown status responses
 *
 * @package Requests
 */

/**
 * Exception for unknown status responses
 *
 * @package Requests
 */
class Requests_Exception_HTTP_Unknown extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 0;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Unknown';

	/**
	 * Create a new exception
	 *
	 * If `$data` is an instance of {@see Requests_Response}, uses the status
	 * code from it. Otherwise, sets as 0
	 *
	 * @param string $reason Reason phrase
	 * @param mixed $data Associated data
	 */
	public function __construct($reason = null, $data = null) {
		if ($data instanceof Requests_Response) {
			$this->code = $data->status_code;
		}

		parent::__construct($reason, $data);
	}
}<?php
/**
 * Event dispatcher
 *
 * @package Requests
 * @subpackage Utilities
 */

/**
 * Event dispatcher
 *
 * @package Requests
 * @subpackage Utilities
 */
interface Requests_Hooker {
	/**
	 * Register a callback for a hook
	 *
	 * @param string $hook Hook name
	 * @param callback $callback Function/method to call on event
	 * @param int $priority Priority number. <0 is executed earlier, >0 is executed later
	 */
	public function register($hook, $callback, $priority = 0);

	/**
	 * Dispatch a message
	 *
	 * @param string $hook Hook name
	 * @param array $parameters Parameters to pass to callbacks
	 * @return boolean Successfulness
	 */
	public function dispatch($hook, $parameters = array());
}<?php
/**
 * Handles adding and dispatching events
 *
 * @package Requests
 * @subpackage Utilities
 */

/**
 * Handles adding and dispatching events
 *
 * @package Requests
 * @subpackage Utilities
 */
class Requests_Hooks implements Requests_Hooker {
	/**
	 * Constructor
	 */
	public function __construct() {
		// pass
	}

	/**
	 * Register a callback for a hook
	 *
	 * @param string $hook Hook name
	 * @param callback $callback Function/method to call on event
	 * @param int $priority Priority number. <0 is executed earlier, >0 is executed later
	 */
	public function register($hook, $callback, $priority = 0) {
		if (!isset($this->hooks[$hook])) {
			$this->hooks[$hook] = array();
		}
		if (!isset($this->hooks[$hook][$priority])) {
			$this->hooks[$hook][$priority] = array();
		}

		$this->hooks[$hook][$priority][] = $callback;
	}

	/**
	 * Dispatch a message
	 *
	 * @param string $hook Hook name
	 * @param array $parameters Parameters to pass to callbacks
	 * @return boolean Successfulness
	 */
	public function dispatch($hook, $parameters = array()) {
		if (empty($this->hooks[$hook])) {
			return false;
		}

		foreach ($this->hooks[$hook] as $priority => $hooked) {
			foreach ($hooked as $callback) {
				call_user_func_array($callback, $parameters);
			}
		}

		return true;
	}
}<?php

/**
 * IDNA URL encoder
 *
 * Note: Not fully compliant, as nameprep does nothing yet.
 *
 * @package Requests
 * @subpackage Utilities
 * @see http://tools.ietf.org/html/rfc3490 IDNA specification
 * @see http://tools.ietf.org/html/rfc3492 Punycode/Bootstrap specification
 */
class Requests_IDNAEncoder {
	/**
	 * ACE prefix used for IDNA
	 *
	 * @see http://tools.ietf.org/html/rfc3490#section-5
	 * @var string
	 */
	const ACE_PREFIX = 'xn--';

	/**#@+
	 * Bootstrap constant for Punycode
	 *
	 * @see http://tools.ietf.org/html/rfc3492#section-5
	 * @var int
	 */
	const BOOTSTRAP_BASE         = 36;
	const BOOTSTRAP_TMIN         = 1;
	const BOOTSTRAP_TMAX         = 26;
	const BOOTSTRAP_SKEW         = 38;
	const BOOTSTRAP_DAMP         = 700;
	const BOOTSTRAP_INITIAL_BIAS = 72;
	const BOOTSTRAP_INITIAL_N    = 128;
	/**#@-*/

	/**
	 * Encode a hostname using Punycode
	 *
	 * @param string $string Hostname
	 * @return string Punycode-encoded hostname
	 */
	public static function encode($string) {
		$parts = explode('.', $string);
		foreach ($parts as &$part) {
			$part = self::to_ascii($part);
		}
		return implode('.', $parts);
	}

	/**
	 * Convert a UTF-8 string to an ASCII string using Punycode
	 *
	 * @throws Requests_Exception Provided string longer than 64 ASCII characters (`idna.provided_too_long`)
	 * @throws Requests_Exception Prepared string longer than 64 ASCII characters (`idna.prepared_too_long`)
	 * @throws Requests_Exception Provided string already begins with xn-- (`idna.provided_is_prefixed`)
	 * @throws Requests_Exception Encoded string longer than 64 ASCII characters (`idna.encoded_too_long`)
	 *
	 * @param string $string ASCII or UTF-8 string (max length 64 characters)
	 * @return string ASCII string
	 */
	public static function to_ascii($string) {
		// Step 1: Check if the string is already ASCII
		if (self::is_ascii($string)) {
			// Skip to step 7
			if (strlen($string) < 64) {
				return $string;
			}

			throw new Requests_Exception('Provided string is too long', 'idna.provided_too_long', $string);
		}

		// Step 2: nameprep
		$string = self::nameprep($string);

		// Step 3: UseSTD3ASCIIRules is false, continue
		// Step 4: Check if it's ASCII now
		if (self::is_ascii($string)) {
			// Skip to step 7
			if (strlen($string) < 64) {
				return $string;
			}

			throw new Requests_Exception('Prepared string is too long', 'idna.prepared_too_long', $string);
		}

		// Step 5: Check ACE prefix
		if (strpos($string, self::ACE_PREFIX) === 0) {
			throw new Requests_Exception('Provided string begins with ACE prefix', 'idna.provided_is_prefixed', $string);
		}

		// Step 6: Encode with Punycode
		$string = self::punycode_encode($string);

		// Step 7: Prepend ACE prefix
		$string = self::ACE_PREFIX . $string;

		// Step 8: Check size
		if (strlen($string) < 64) {
			return $string;
		}

		throw new Requests_Exception('Encoded string is too long', 'idna.encoded_too_long', $string);
	}

	/**
	 * Check whether a given string contains only ASCII characters
	 *
	 * @internal (Testing found regex was the fastest implementation)
	 *
	 * @param string $string
	 * @return bool Is the string ASCII-only?
	 */
	protected static function is_ascii($string) {
		return (preg_match('/(?:[^\x00-\x7F])/', $string) !== 1);
	}

	/**
	 * Prepare a string for use as an IDNA name
	 *
	 * @todo Implement this based on RFC 3491 and the newer 5891
	 * @param string $string
	 * @return string Prepared string
	 */
	protected static function nameprep($string) {
		return $string;
	}

	/**
	 * Convert a UTF-8 string to a UCS-4 codepoint array
	 *
	 * Based on Requests_IRI::replace_invalid_with_pct_encoding()
	 *
	 * @throws Requests_Exception Invalid UTF-8 codepoint (`idna.invalidcodepoint`)
	 * @param string $input
	 * @return array Unicode code points
	 */
	protected static function utf8_to_codepoints($input) {
		$codepoints = array();

		// Get number of bytes
		$strlen = strlen($input);

		for ($position = 0; $position < $strlen; $position++) {
			$value = ord($input[$position]);

			// One byte sequence:
			if ((~$value & 0x80) === 0x80) {
				$character = $value;
				$length = 1;
				$remaining = 0;
			}
			// Two byte sequence:
			elseif (($value & 0xE0) === 0xC0) {
				$character = ($value & 0x1F) << 6;
				$length = 2;
				$remaining = 1;
			}
			// Three byte sequence:
			elseif (($value & 0xF0) === 0xE0) {
				$character = ($value & 0x0F) << 12;
				$length = 3;
				$remaining = 2;
			}
			// Four byte sequence:
			elseif (($value & 0xF8) === 0xF0) {
				$character = ($value & 0x07) << 18;
				$length = 4;
				$remaining = 3;
			}
			// Invalid byte:
			else {
				throw new Requests_Exception('Invalid Unicode codepoint', 'idna.invalidcodepoint', $value);
			}

			if ($remaining > 0) {
				if ($position + $length > $strlen) {
					throw new Requests_Exception('Invalid Unicode codepoint', 'idna.invalidcodepoint', $character);
				}
				for ($position++; $remaining > 0; $position++) {
					$value = ord($input[$position]);

					// If it is invalid, count the sequence as invalid and reprocess the current byte:
					if (($value & 0xC0) !== 0x80) {
						throw new Requests_Exception('Invalid Unicode codepoint', 'idna.invalidcodepoint', $character);
					}

					$character |= ($value & 0x3F) << (--$remaining * 6);
				}
				$position--;
			}

			if (
				// Non-shortest form sequences are invalid
				   $length > 1 && $character <= 0x7F
				|| $length > 2 && $character <= 0x7FF
				|| $length > 3 && $character <= 0xFFFF
				// Outside of range of ucschar codepoints
				// Noncharacters
				|| ($character & 0xFFFE) === 0xFFFE
				|| $character >= 0xFDD0 && $character <= 0xFDEF
				|| (
					// Everything else not in ucschar
					   $character > 0xD7FF && $character < 0xF900
					|| $character < 0x20
					|| $character > 0x7E && $character < 0xA0
					|| $character > 0xEFFFD
				)
			) {
				throw new Requests_Exception('Invalid Unicode codepoint', 'idna.invalidcodepoint', $character);
			}

			$codepoints[] = $character;
		}

		return $codepoints;
	}

	/**
	 * RFC3492-compliant encoder
	 *
	 * @internal Pseudo-code from Section 6.3 is commented with "#" next to relevant code
	 * @throws Requests_Exception On character outside of the domain (never happens with Punycode) (`idna.character_outside_domain`)
	 *
	 * @param string $input UTF-8 encoded string to encode
	 * @return string Punycode-encoded string
	 */
	public static function punycode_encode($input) {
		$output = '';
#		let n = initial_n
		$n = self::BOOTSTRAP_INITIAL_N;
#		let delta = 0
		$delta = 0;
#		let bias = initial_bias
		$bias = self::BOOTSTRAP_INITIAL_BIAS;
#		let h = b = the number of basic code points in the input
		$h = $b = 0; // see loop
#		copy them to the output in order
		$codepoints = self::utf8_to_codepoints($input);

		foreach ($codepoints as $char) {
			if ($char < 128) {
				// Character is valid ASCII
				// TODO: this should also check if it's valid for a URL
				$output .= chr($char);
				$h++;
			}
			// Check if the character is non-ASCII, but below initial n
			// This never occurs for Punycode, so ignore in coverage
			// @codeCoverageIgnoreStart
			elseif ($char < $n) {
				throw new Requests_Exception('Invalid character', 'idna.character_outside_domain', $char);
			}
			// @codeCoverageIgnoreEnd
			else {
				$extended[$char] = true;
			}
		}
		$extended = array_keys($extended);
		sort($extended);
		$b = $h;
#		[copy them] followed by a delimiter if b > 0
		if (strlen($output) > 0) {
			$output .= '-';
		}
#		{if the input contains a non-basic code point < n then fail}
#		while h < length(input) do begin
		while ($h < count($codepoints)) {
#			let m = the minimum code point >= n in the input
			$m = array_shift($extended);
			//printf('next code point to insert is %s' . PHP_EOL, dechex($m));
#			let delta = delta + (m - n) * (h + 1), fail on overflow
			$delta += ($m - $n) * ($h + 1);
#			let n = m
			$n = $m;
#			for each code point c in the input (in order) do begin
			for ($num = 0; $num < count($codepoints); $num++) {
				$c = $codepoints[$num];
#				if c < n then increment delta, fail on overflow
				if ($c < $n) {
					$delta++;
				}
#				if c == n then begin
				elseif ($c === $n) {
#					let q = delta
					$q = $delta;
#					for k = base to infinity in steps of base do begin
					for ($k = self::BOOTSTRAP_BASE; ; $k += self::BOOTSTRAP_BASE) {
#						let t = tmin if k <= bias {+ tmin}, or
#								tmax if k >= bias + tmax, or k - bias otherwise
						if ($k <= ($bias + self::BOOTSTRAP_TMIN)) {
							$t = self::BOOTSTRAP_TMIN;
						}
						elseif ($k >= ($bias + self::BOOTSTRAP_TMAX)) {
							$t = self::BOOTSTRAP_TMAX;
						}
						else {
							$t = $k - $bias;
						}
#						if q < t then break
						if ($q < $t) {
							break;
						}
#						output the code point for digit t + ((q - t) mod (base - t))
						$digit = $t + (($q - $t) % (self::BOOTSTRAP_BASE - $t));
						//printf('needed delta is %d, encodes as "%s"' . PHP_EOL, $delta, self::digit_to_char($digit));
						$output .= self::digit_to_char($digit);
#						let q = (q - t) div (base - t)
						$q = floor(($q - $t) / (self::BOOTSTRAP_BASE - $t));
#					end
					}
#					output the code point for digit q
					$output .= self::digit_to_char($q);
					//printf('needed delta is %d, encodes as "%s"' . PHP_EOL, $delta, self::digit_to_char($q));
#					let bias = adapt(delta, h + 1, test h equals b?)
					$bias = self::adapt($delta, $h + 1, $h === $b);
					//printf('bias becomes %d' . PHP_EOL, $bias);
#					let delta = 0
					$delta = 0;
#					increment h
					$h++;
#				end
				}
#			end
			}
#			increment delta and n
			$delta++;
			$n++;
#		end
		}

		return $output;
	}

	/**
	 * Convert a digit to its respective character
	 *
	 * @see http://tools.ietf.org/html/rfc3492#section-5
	 * @throws Requests_Exception On invalid digit (`idna.invalid_digit`)
	 *
	 * @param int $digit Digit in the range 0-35
	 * @return string Single character corresponding to digit
	 */
	protected static function digit_to_char($digit) {
		// @codeCoverageIgnoreStart
		// As far as I know, this never happens, but still good to be sure.
		if ($digit < 0 || $digit > 35) {
			throw new Requests_Exception(sprintf('Invalid digit %d', $digit), 'idna.invalid_digit', $digit);
		}
		// @codeCoverageIgnoreEnd
		$digits = 'abcdefghijklmnopqrstuvwxyz0123456789';
		return substr($digits, $digit, 1);
	}

	/**
	 * Adapt the bias
	 *
	 * @see http://tools.ietf.org/html/rfc3492#section-6.1
	 * @param int $delta
	 * @param int $numpoints
	 * @param bool $firsttime
	 * @return int New bias
	 */
	protected static function adapt($delta, $numpoints, $firsttime) {
#	function adapt(delta,numpoints,firsttime):
#		if firsttime then let delta = delta div damp
		if ($firsttime) {
			$delta = floor($delta / self::BOOTSTRAP_DAMP);
		}
#		else let delta = delta div 2
		else {
			$delta = floor($delta / 2);
		}
#		let delta = delta + (delta div numpoints)
		$delta += floor($delta / $numpoints);
#		let k = 0
		$k = 0;
#		while delta > ((base - tmin) * tmax) div 2 do begin
		$max = floor(((self::BOOTSTRAP_BASE - self::BOOTSTRAP_TMIN) * self::BOOTSTRAP_TMAX) / 2);
		while ($delta > $max) {
#			let delta = delta div (base - tmin)
			$delta = floor($delta / (self::BOOTSTRAP_BASE - self::BOOTSTRAP_TMIN));
#			let k = k + base
			$k += self::BOOTSTRAP_BASE;
#		end
		}
#		return k + (((base - tmin + 1) * delta) div (delta + skew))
		return $k + floor(((self::BOOTSTRAP_BASE - self::BOOTSTRAP_TMIN + 1) * $delta) / ($delta + self::BOOTSTRAP_SKEW));
	}
}<?php
/**
 * Class to validate and to work with IPv6 addresses
 *
 * @package Requests
 * @subpackage Utilities
 */

/**
 * Class to validate and to work with IPv6 addresses
 *
 * This was originally based on the PEAR class of the same name, but has been
 * entirely rewritten.
 *
 * @package Requests
 * @subpackage Utilities
 */
class Requests_IPv6
{
    /**
     * Uncompresses an IPv6 address
     *
     * RFC 4291 allows you to compress consecutive zero pieces in an address to
     * '::'. This method expects a valid IPv6 address and expands the '::' to
     * the required number of zero pieces.
     *
     * Example:  FF01::101   ->  FF01:0:0:0:0:0:0:101
     *           ::1         ->  0:0:0:0:0:0:0:1
     *
     * @author Alexander Merz <alexander.merz@web.de>
     * @author elfrink at introweb dot nl
     * @author Josh Peck <jmp at joshpeck dot org>
     * @copyright 2003-2005 The PHP Group
     * @license http://www.opensource.org/licenses/bsd-license.php
     * @param string $ip An IPv6 address
     * @return string The uncompressed IPv6 address
     */
    public static function uncompress($ip)
    {
        $c1 = -1;
        $c2 = -1;
        if (substr_count($ip, '::') === 1)
        {
            list($ip1, $ip2) = explode('::', $ip);
            if ($ip1 === '')
            {
                $c1 = -1;
            }
            else
            {
                $c1 = substr_count($ip1, ':');
            }
            if ($ip2 === '')
            {
                $c2 = -1;
            }
            else
            {
                $c2 = substr_count($ip2, ':');
            }
            if (strpos($ip2, '.') !== false)
            {
                $c2++;
            }
            // ::
            if ($c1 === -1 && $c2 === -1)
            {
                $ip = '0:0:0:0:0:0:0:0';
            }
            // ::xxx
            else if ($c1 === -1)
            {
                $fill = str_repeat('0:', 7 - $c2);
                $ip = str_replace('::', $fill, $ip);
            }
            // xxx::
            else if ($c2 === -1)
            {
                $fill = str_repeat(':0', 7 - $c1);
                $ip = str_replace('::', $fill, $ip);
            }
            // xxx::xxx
            else
            {
                $fill = ':' . str_repeat('0:', 6 - $c2 - $c1);
                $ip = str_replace('::', $fill, $ip);
            }
        }
        return $ip;
    }

    /**
     * Compresses an IPv6 address
     *
     * RFC 4291 allows you to compress consecutive zero pieces in an address to
     * '::'. This method expects a valid IPv6 address and compresses consecutive
     * zero pieces to '::'.
     *
     * Example:  FF01:0:0:0:0:0:0:101   ->  FF01::101
     *           0:0:0:0:0:0:0:1        ->  ::1
     *
     * @see uncompress()
     * @param string $ip An IPv6 address
     * @return string The compressed IPv6 address
     */
    public static function compress($ip)
    {
        // Prepare the IP to be compressed
        $ip = self::uncompress($ip);
        $ip_parts = self::split_v6_v4($ip);

        // Replace all leading zeros
        $ip_parts[0] = preg_replace('/(^|:)0+([0-9])/', '\1\2', $ip_parts[0]);

        // Find bunches of zeros
        if (preg_match_all('/(?:^|:)(?:0(?::|$))+/', $ip_parts[0], $matches, PREG_OFFSET_CAPTURE))
        {
            $max = 0;
            $pos = null;
            foreach ($matches[0] as $match)
            {
                if (strlen($match[0]) > $max)
                {
                    $max = strlen($match[0]);
                    $pos = $match[1];
                }
            }

            $ip_parts[0] = substr_replace($ip_parts[0], '::', $pos, $max);
        }

        if ($ip_parts[1] !== '')
        {
            return implode(':', $ip_parts);
        }
        else
        {
            return $ip_parts[0];
        }
    }

    /**
     * Splits an IPv6 address into the IPv6 and IPv4 representation parts
     *
     * RFC 4291 allows you to represent the last two parts of an IPv6 address
     * using the standard IPv4 representation
     *
     * Example:  0:0:0:0:0:0:13.1.68.3
     *           0:0:0:0:0:FFFF:129.144.52.38
     *
     * @param string $ip An IPv6 address
     * @return array [0] contains the IPv6 represented part, and [1] the IPv4 represented part
     */
    private static function split_v6_v4($ip)
    {
        if (strpos($ip, '.') !== false)
        {
            $pos = strrpos($ip, ':');
            $ipv6_part = substr($ip, 0, $pos);
            $ipv4_part = substr($ip, $pos + 1);
            return array($ipv6_part, $ipv4_part);
        }
        else
        {
            return array($ip, '');
        }
    }

    /**
     * Checks an IPv6 address
     *
     * Checks if the given IP is a valid IPv6 address
     *
     * @param string $ip An IPv6 address
     * @return bool true if $ip is a valid IPv6 address
     */
    public static function check_ipv6($ip)
    {
        $ip = self::uncompress($ip);
        list($ipv6, $ipv4) = self::split_v6_v4($ip);
        $ipv6 = explode(':', $ipv6);
        $ipv4 = explode('.', $ipv4);
        if (count($ipv6) === 8 && count($ipv4) === 1 || count($ipv6) === 6 && count($ipv4) === 4)
        {
            foreach ($ipv6 as $ipv6_part)
            {
                // The section can't be empty
                if ($ipv6_part === '')
                    return false;

                // Nor can it be over four characters
                if (strlen($ipv6_part) > 4)
                    return false;

                // Remove leading zeros (this is safe because of the above)
                $ipv6_part = ltrim($ipv6_part, '0');
                if ($ipv6_part === '')
                    $ipv6_part = '0';

                // Check the value is valid
                $value = hexdec($ipv6_part);
                if (dechex($value) !== strtolower($ipv6_part) || $value < 0 || $value > 0xFFFF)
                    return false;
            }
            if (count($ipv4) === 4)
            {
                foreach ($ipv4 as $ipv4_part)
                {
                    $value = (int) $ipv4_part;
                    if ((string) $value !== $ipv4_part || $value < 0 || $value > 0xFF)
                        return false;
                }
            }
            return true;
        }
        else
        {
            return false;
        }
    }
}
<?php
/**
 * IRI parser/serialiser/normaliser
 *
 * @package Requests
 * @subpackage Utilities
 */

/**
 * IRI parser/serialiser/normaliser
 *
 * Copyright (c) 2007-2010, Geoffrey Sneddon and Steve Minutillo.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright notice,
 *       this list of conditions and the following disclaimer.
 *
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *       this list of conditions and the following disclaimer in the documentation
 *       and/or other materials provided with the distribution.
 *
 *  * Neither the name of the SimplePie Team nor the names of its contributors
 *       may be used to endorse or promote products derived from this software
 *       without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS AND CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package Requests
 * @subpackage Utilities
 * @author Geoffrey Sneddon
 * @author Steve Minutillo
 * @copyright 2007-2009 Geoffrey Sneddon and Steve Minutillo
 * @license http://www.opensource.org/licenses/bsd-license.php
 * @link http://hg.gsnedders.com/iri/
 */
class Requests_IRI
{
    /**
     * Scheme
     *
     * @var string
     */
    protected $scheme = null;

    /**
     * User Information
     *
     * @var string
     */
    protected $iuserinfo = null;

    /**
     * ihost
     *
     * @var string
     */
    protected $ihost = null;

    /**
     * Port
     *
     * @var string
     */
    protected $port = null;

    /**
     * ipath
     *
     * @var string
     */
    protected $ipath = '';

    /**
     * iquery
     *
     * @var string
     */
    protected $iquery = null;

    /**
     * ifragment
     *
     * @var string
     */
    protected $ifragment = null;

    /**
     * Normalization database
     *
     * Each key is the scheme, each value is an array with each key as the IRI
     * part and value as the default value for that part.
     */
    protected $normalization = array(
        'acap' => array(
            'port' => 674
        ),
        'dict' => array(
            'port' => 2628
        ),
        'file' => array(
            'ihost' => 'localhost'
        ),
        'http' => array(
            'port' => 80,
            'ipath' => '/'
        ),
        'https' => array(
            'port' => 443,
            'ipath' => '/'
        ),
    );

    /**
     * Return the entire IRI when you try and read the object as a string
     *
     * @return string
     */
    public function __toString()
    {
        return $this->get_iri();
    }

    /**
     * Overload __set() to provide access via properties
     *
     * @param string $name Property name
     * @param mixed $value Property value
     */
    public function __set($name, $value)
    {
        if (method_exists($this, 'set_' . $name))
        {
            call_user_func(array($this, 'set_' . $name), $value);
        }
        elseif (
               $name === 'iauthority'
            || $name === 'iuserinfo'
            || $name === 'ihost'
            || $name === 'ipath'
            || $name === 'iquery'
            || $name === 'ifragment'
        )
        {
            call_user_func(array($this, 'set_' . substr($name, 1)), $value);
        }
    }

    /**
     * Overload __get() to provide access via properties
     *
     * @param string $name Property name
     * @return mixed
     */
    public function __get($name)
    {
        // isset() returns false for null, we don't want to do that
        // Also why we use array_key_exists below instead of isset()
        $props = get_object_vars($this);

        if (
            $name === 'iri' ||
            $name === 'uri' ||
            $name === 'iauthority' ||
            $name === 'authority'
        )
        {
            $return = $this->{"get_$name"}();
        }
        elseif (array_key_exists($name, $props))
        {
            $return = $this->$name;
        }
        // host -> ihost
        elseif (($prop = 'i' . $name) && array_key_exists($prop, $props))
        {
            $name = $prop;
            $return = $this->$prop;
        }
        // ischeme -> scheme
        elseif (($prop = substr($name, 1)) && array_key_exists($prop, $props))
        {
            $name = $prop;
            $return = $this->$prop;
        }
        else
        {
            trigger_error('Undefined property: ' . get_class($this) . '::' . $name, E_USER_NOTICE);
            $return = null;
        }

        if ($return === null && isset($this->normalization[$this->scheme][$name]))
        {
            return $this->normalization[$this->scheme][$name];
        }
        else
        {
            return $return;
        }
    }

    /**
     * Overload __isset() to provide access via properties
     *
     * @param string $name Property name
     * @return bool
     */
    public function __isset($name)
    {
        if (method_exists($this, 'get_' . $name) || isset($this->$name))
        {
            return true;
        }
        else
        {
            return false;
        }
    }

    /**
     * Overload __unset() to provide access via properties
     *
     * @param string $name Property name
     */
    public function __unset($name)
    {
        if (method_exists($this, 'set_' . $name))
        {
            call_user_func(array($this, 'set_' . $name), '');
        }
    }

    /**
     * Create a new IRI object, from a specified string
     *
     * @param string $iri
     */
    public function __construct($iri = null)
    {
        $this->set_iri($iri);
    }

    /**
     * Create a new IRI object by resolving a relative IRI
     *
     * Returns false if $base is not absolute, otherwise an IRI.
     *
     * @param IRI|string $base (Absolute) Base IRI
     * @param IRI|string $relative Relative IRI
     * @return IRI|false
     */
    public static function absolutize($base, $relative)
    {
        if (!($relative instanceof Requests_IRI))
        {
            $relative = new Requests_IRI($relative);
        }
        if (!$relative->is_valid())
        {
            return false;
        }
        elseif ($relative->scheme !== null)
        {
            return clone $relative;
        }
        else
        {
            if (!($base instanceof Requests_IRI))
            {
                $base = new Requests_IRI($base);
            }
            if ($base->scheme !== null && $base->is_valid())
            {
                if ($relative->get_iri() !== '')
                {
                    if ($relative->iuserinfo !== null || $relative->ihost !== null || $relative->port !== null)
                    {
                        $target = clone $relative;
                        $target->scheme = $base->scheme;
                    }
                    else
                    {
                        $target = new Requests_IRI;
                        $target->scheme = $base->scheme;
                        $target->iuserinfo = $base->iuserinfo;
                        $target->ihost = $base->ihost;
                        $target->port = $base->port;
                        if ($relative->ipath !== '')
                        {
                            if ($relative->ipath[0] === '/')
                            {
                                $target->ipath = $relative->ipath;
                            }
                            elseif (($base->iuserinfo !== null || $base->ihost !== null || $base->port !== null) && $base->ipath === '')
                            {
                                $target->ipath = '/' . $relative->ipath;
                            }
                            elseif (($last_segment = strrpos($base->ipath, '/')) !== false)
                            {
                                $target->ipath = substr($base->ipath, 0, $last_segment + 1) . $relative->ipath;
                            }
                            else
                            {
                                $target->ipath = $relative->ipath;
                            }
                            $target->ipath = $target->remove_dot_segments($target->ipath);
                            $target->iquery = $relative->iquery;
                        }
                        else
                        {
                            $target->ipath = $base->ipath;
                            if ($relative->iquery !== null)
                            {
                                $target->iquery = $relative->iquery;
                            }
                            elseif ($base->iquery !== null)
                            {
                                $target->iquery = $base->iquery;
                            }
                        }
                        $target->ifragment = $relative->ifragment;
                    }
                }
                else
                {
                    $target = clone $base;
                    $target->ifragment = null;
                }
                $target->scheme_normalization();
                return $target;
            }
            else
            {
                return false;
            }
        }
    }

    /**
     * Parse an IRI into scheme/authority/path/query/fragment segments
     *
     * @param string $iri
     * @return array
     */
    protected function parse_iri($iri)
    {
        $iri = trim($iri, "\x20\x09\x0A\x0C\x0D");
        if (preg_match('/^((?P<scheme>[^:\/?#]+):)?(\/\/(?P<authority>[^\/?#]*))?(?P<path>[^?#]*)(\?(?P<query>[^#]*))?(#(?P<fragment>.*))?$/', $iri, $match))
        {
            if ($match[1] === '')
            {
                $match['scheme'] = null;
            }
            if (!isset($match[3]) || $match[3] === '')
            {
                $match['authority'] = null;
            }
            if (!isset($match[5]))
            {
                $match['path'] = '';
            }
            if (!isset($match[6]) || $match[6] === '')
            {
                $match['query'] = null;
            }
            if (!isset($match[8]) || $match[8] === '')
            {
                $match['fragment'] = null;
            }
            return $match;
        }
        else
        {
            trigger_error('This should never happen', E_USER_ERROR);
            die;
        }
    }

    /**
     * Remove dot segments from a path
     *
     * @param string $input
     * @return string
     */
    protected function remove_dot_segments($input)
    {
        $output = '';
        while (strpos($input, './') !== false || strpos($input, '/.') !== false || $input === '.' || $input === '..')
        {
            // A: If the input buffer begins with a prefix of "../" or "./", then remove that prefix from the input buffer; otherwise,
            if (strpos($input, '../') === 0)
            {
                $input = substr($input, 3);
            }
            elseif (strpos($input, './') === 0)
            {
                $input = substr($input, 2);
            }
            // B: if the input buffer begins with a prefix of "/./" or "/.", where "." is a complete path segment, then replace that prefix with "/" in the input buffer; otherwise,
            elseif (strpos($input, '/./') === 0)
            {
                $input = substr($input, 2);
            }
            elseif ($input === '/.')
            {
                $input = '/';
            }
            // C: if the input buffer begins with a prefix of "/../" or "/..", where ".." is a complete path segment, then replace that prefix with "/" in the input buffer and remove the last segment and its preceding "/" (if any) from the output buffer; otherwise,
            elseif (strpos($input, '/../') === 0)
            {
                $input = substr($input, 3);
                $output = substr_replace($output, '', strrpos($output, '/'));
            }
            elseif ($input === '/..')
            {
                $input = '/';
                $output = substr_replace($output, '', strrpos($output, '/'));
            }
            // D: if the input buffer consists only of "." or "..", then remove that from the input buffer; otherwise,
            elseif ($input === '.' || $input === '..')
            {
                $input = '';
            }
            // E: move the first path segment in the input buffer to the end of the output buffer, including the initial "/" character (if any) and any subsequent characters up to, but not including, the next "/" character or the end of the input buffer
            elseif (($pos = strpos($input, '/', 1)) !== false)
            {
                $output .= substr($input, 0, $pos);
                $input = substr_replace($input, '', 0, $pos);
            }
            else
            {
                $output .= $input;
                $input = '';
            }
        }
        return $output . $input;
    }

    /**
     * Replace invalid character with percent encoding
     *
     * @param string $string Input string
     * @param string $extra_chars Valid characters not in iunreserved or
     *                            iprivate (this is ASCII-only)
     * @param bool $iprivate Allow iprivate
     * @return string
     */
    protected function replace_invalid_with_pct_encoding($string, $extra_chars, $iprivate = false)
    {
        // Normalize as many pct-encoded sections as possible
        $string = preg_replace_callback('/(?:%[A-Fa-f0-9]{2})+/', array(&$this, 'remove_iunreserved_percent_encoded'), $string);

        // Replace invalid percent characters
        $string = preg_replace('/%(?![A-Fa-f0-9]{2})/', '%25', $string);

        // Add unreserved and % to $extra_chars (the latter is safe because all
        // pct-encoded sections are now valid).
        $extra_chars .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~%';

        // Now replace any bytes that aren't allowed with their pct-encoded versions
        $position = 0;
        $strlen = strlen($string);
        while (($position += strspn($string, $extra_chars, $position)) < $strlen)
        {
            $value = ord($string[$position]);

            // Start position
            $start = $position;

            // By default we are valid
            $valid = true;

            // No one byte sequences are valid due to the while.
            // Two byte sequence:
            if (($value & 0xE0) === 0xC0)
            {
                $character = ($value & 0x1F) << 6;
                $length = 2;
                $remaining = 1;
            }
            // Three byte sequence:
            elseif (($value & 0xF0) === 0xE0)
            {
                $character = ($value & 0x0F) << 12;
                $length = 3;
                $remaining = 2;
            }
            // Four byte sequence:
            elseif (($value & 0xF8) === 0xF0)
            {
                $character = ($value & 0x07) << 18;
                $length = 4;
                $remaining = 3;
            }
            // Invalid byte:
            else
            {
                $valid = false;
                $length = 1;
                $remaining = 0;
            }

            if ($remaining)
            {
                if ($position + $length <= $strlen)
                {
                    for ($position++; $remaining; $position++)
                    {
                        $value = ord($string[$position]);

                        // Check that the byte is valid, then add it to the character:
                        if (($value & 0xC0) === 0x80)
                        {
                            $character |= ($value & 0x3F) << (--$remaining * 6);
                        }
                        // If it is invalid, count the sequence as invalid and reprocess the current byte:
                        else
                        {
                            $valid = false;
                            $position--;
                            break;
                        }
                    }
                }
                else
                {
                    $position = $strlen - 1;
                    $valid = false;
                }
            }

            // Percent encode anything invalid or not in ucschar
            if (
                // Invalid sequences
                !$valid
                // Non-shortest form sequences are invalid
                || $length > 1 && $character <= 0x7F
                || $length > 2 && $character <= 0x7FF
                || $length > 3 && $character <= 0xFFFF
                // Outside of range of ucschar codepoints
                // Noncharacters
                || ($character & 0xFFFE) === 0xFFFE
                || $character >= 0xFDD0 && $character <= 0xFDEF
                || (
                    // Everything else not in ucschar
                       $character > 0xD7FF && $character < 0xF900
                    || $character < 0xA0
                    || $character > 0xEFFFD
                )
                && (
                    // Everything not in iprivate, if it applies
                       !$iprivate
                    || $character < 0xE000
                    || $character > 0x10FFFD
                )
            )
            {
                // If we were a character, pretend we weren't, but rather an error.
                if ($valid)
                    $position--;

                for ($j = $start; $j <= $position; $j++)
                {
                    $string = substr_replace($string, sprintf('%%%02X', ord($string[$j])), $j, 1);
                    $j += 2;
                    $position += 2;
                    $strlen += 2;
                }
            }
        }

        return $string;
    }

    /**
     * Callback function for preg_replace_callback.
     *
     * Removes sequences of percent encoded bytes that represent UTF-8
     * encoded characters in iunreserved
     *
     * @param array $match PCRE match
     * @return string Replacement
     */
    protected function remove_iunreserved_percent_encoded($match)
    {
        // As we just have valid percent encoded sequences we can just explode
        // and ignore the first member of the returned array (an empty string).
        $bytes = explode('%', $match[0]);

        // Initialize the new string (this is what will be returned) and that
        // there are no bytes remaining in the current sequence (unsurprising
        // at the first byte!).
        $string = '';
        $remaining = 0;

        // Loop over each and every byte, and set $value to its value
        for ($i = 1, $len = count($bytes); $i < $len; $i++)
        {
            $value = hexdec($bytes[$i]);

            // If we're the first byte of sequence:
            if (!$remaining)
            {
                // Start position
                $start = $i;

                // By default we are valid
                $valid = true;

                // One byte sequence:
                if ($value <= 0x7F)
                {
                    $character = $value;
                    $length = 1;
                }
                // Two byte sequence:
                elseif (($value & 0xE0) === 0xC0)
                {
                    $character = ($value & 0x1F) << 6;
                    $length = 2;
                    $remaining = 1;
                }
                // Three byte sequence:
                elseif (($value & 0xF0) === 0xE0)
                {
                    $character = ($value & 0x0F) << 12;
                    $length = 3;
                    $remaining = 2;
                }
                // Four byte sequence:
                elseif (($value & 0xF8) === 0xF0)
                {
                    $character = ($value & 0x07) << 18;
                    $length = 4;
                    $remaining = 3;
                }
                // Invalid byte:
                else
                {
                    $valid = false;
                    $remaining = 0;
                }
            }
            // Continuation byte:
            else
            {
                // Check that the byte is valid, then add it to the character:
                if (($value & 0xC0) === 0x80)
                {
                    $remaining--;
                    $character |= ($value & 0x3F) << ($remaining * 6);
                }
                // If it is invalid, count the sequence as invalid and reprocess the current byte as the start of a sequence:
                else
                {
                    $valid = false;
                    $remaining = 0;
                    $i--;
                }
            }

            // If we've reached the end of the current byte sequence, append it to Unicode::$data
            if (!$remaining)
            {
                // Percent encode anything invalid or not in iunreserved
                if (
                    // Invalid sequences
                    !$valid
                    // Non-shortest form sequences are invalid
                    || $length > 1 && $character <= 0x7F
                    || $length > 2 && $character <= 0x7FF
                    || $length > 3 && $character <= 0xFFFF
                    // Outside of range of iunreserved codepoints
                    || $character < 0x2D
                    || $character > 0xEFFFD
                    // Noncharacters
                    || ($character & 0xFFFE) === 0xFFFE
                    || $character >= 0xFDD0 && $character <= 0xFDEF
                    // Everything else not in iunreserved (this is all BMP)
                    || $character === 0x2F
                    || $character > 0x39 && $character < 0x41
                    || $character > 0x5A && $character < 0x61
                    || $character > 0x7A && $character < 0x7E
                    || $character > 0x7E && $character < 0xA0
                    || $character > 0xD7FF && $character < 0xF900
                )
                {
                    for ($j = $start; $j <= $i; $j++)
                    {
                        $string .= '%' . strtoupper($bytes[$j]);
                    }
                }
                else
                {
                    for ($j = $start; $j <= $i; $j++)
                    {
                        $string .= chr(hexdec($bytes[$j]));
                    }
                }
            }
        }

        // If we have any bytes left over they are invalid (i.e., we are
        // mid-way through a multi-byte sequence)
        if ($remaining)
        {
            for ($j = $start; $j < $len; $j++)
            {
                $string .= '%' . strtoupper($bytes[$j]);
            }
        }

        return $string;
    }

    protected function scheme_normalization()
    {
        if (isset($this->normalization[$this->scheme]['iuserinfo']) && $this->iuserinfo === $this->normalization[$this->scheme]['iuserinfo'])
        {
            $this->iuserinfo = null;
        }
        if (isset($this->normalization[$this->scheme]['ihost']) && $this->ihost === $this->normalization[$this->scheme]['ihost'])
        {
            $this->ihost = null;
        }
        if (isset($this->normalization[$this->scheme]['port']) && $this->port === $this->normalization[$this->scheme]['port'])
        {
            $this->port = null;
        }
        if (isset($this->normalization[$this->scheme]['ipath']) && $this->ipath === $this->normalization[$this->scheme]['ipath'])
        {
            $this->ipath = '';
        }
        if (isset($this->normalization[$this->scheme]['iquery']) && $this->iquery === $this->normalization[$this->scheme]['iquery'])
        {
            $this->iquery = null;
        }
        if (isset($this->normalization[$this->scheme]['ifragment']) && $this->ifragment === $this->normalization[$this->scheme]['ifragment'])
        {
            $this->ifragment = null;
        }
    }

    /**
     * Check if the object represents a valid IRI. This needs to be done on each
     * call as some things change depending on another part of the IRI.
     *
     * @return bool
     */
    public function is_valid()
    {
        $isauthority = $this->iuserinfo !== null || $this->ihost !== null || $this->port !== null;
        if ($this->ipath !== '' &&
            (
                $isauthority && (
                    $this->ipath[0] !== '/' ||
                    substr($this->ipath, 0, 2) === '//'
                ) ||
                (
                    $this->scheme === null &&
                    !$isauthority &&
                    strpos($this->ipath, ':') !== false &&
                    (strpos($this->ipath, '/') === false ? true : strpos($this->ipath, ':') < strpos($this->ipath, '/'))
                )
            )
        )
        {
            return false;
        }

        return true;
    }

    /**
     * Set the entire IRI. Returns true on success, false on failure (if there
     * are any invalid characters).
     *
     * @param string $iri
     * @return bool
     */
    protected function set_iri($iri)
    {
        static $cache;
        if (!$cache)
        {
            $cache = array();
        }

        if ($iri === null)
        {
            return true;
        }
        elseif (isset($cache[$iri]))
        {
            list($this->scheme,
                 $this->iuserinfo,
                 $this->ihost,
                 $this->port,
                 $this->ipath,
                 $this->iquery,
                 $this->ifragment,
                 $return) = $cache[$iri];
            return $return;
        }
        else
        {
            $parsed = $this->parse_iri((string) $iri);

            $return = $this->set_scheme($parsed['scheme'])
                && $this->set_authority($parsed['authority'])
                && $this->set_path($parsed['path'])
                && $this->set_query($parsed['query'])
                && $this->set_fragment($parsed['fragment']);

            $cache[$iri] = array($this->scheme,
                                 $this->iuserinfo,
                                 $this->ihost,
                                 $this->port,
                                 $this->ipath,
                                 $this->iquery,
                                 $this->ifragment,
                                 $return);
            return $return;
        }
    }

    /**
     * Set the scheme. Returns true on success, false on failure (if there are
     * any invalid characters).
     *
     * @param string $scheme
     * @return bool
     */
    protected function set_scheme($scheme)
    {
        if ($scheme === null)
        {
            $this->scheme = null;
        }
        elseif (!preg_match('/^[A-Za-z][0-9A-Za-z+\-.]*$/', $scheme))
        {
            $this->scheme = null;
            return false;
        }
        else
        {
            $this->scheme = strtolower($scheme);
        }
        return true;
    }

    /**
     * Set the authority. Returns true on success, false on failure (if there are
     * any invalid characters).
     *
     * @param string $authority
     * @return bool
     */
    protected function set_authority($authority)
    {
        static $cache;
        if (!$cache)
            $cache = array();

        if ($authority === null)
        {
            $this->iuserinfo = null;
            $this->ihost = null;
            $this->port = null;
            return true;
        }
        elseif (isset($cache[$authority]))
        {
            list($this->iuserinfo,
                 $this->ihost,
                 $this->port,
                 $return) = $cache[$authority];

            return $return;
        }
        else
        {
            $remaining = $authority;
            if (($iuserinfo_end = strrpos($remaining, '@')) !== false)
            {
                $iuserinfo = substr($remaining, 0, $iuserinfo_end);
                $remaining = substr($remaining, $iuserinfo_end + 1);
            }
            else
            {
                $iuserinfo = null;
            }
            if (($port_start = strpos($remaining, ':', strpos($remaining, ']'))) !== false)
            {
                if (($port = substr($remaining, $port_start + 1)) === false)
                {
                    $port = null;
                }
                $remaining = substr($remaining, 0, $port_start);
            }
            else
            {
                $port = null;
            }

            $return = $this->set_userinfo($iuserinfo) &&
                      $this->set_host($remaining) &&
                      $this->set_port($port);

            $cache[$authority] = array($this->iuserinfo,
                                       $this->ihost,
                                       $this->port,
                                       $return);

            return $return;
        }
    }

    /**
     * Set the iuserinfo.
     *
     * @param string $iuserinfo
     * @return bool
     */
    protected function set_userinfo($iuserinfo)
    {
        if ($iuserinfo === null)
        {
            $this->iuserinfo = null;
        }
        else
        {
            $this->iuserinfo = $this->replace_invalid_with_pct_encoding($iuserinfo, '!$&\'()*+,;=:');
            $this->scheme_normalization();
        }

        return true;
    }

    /**
     * Set the ihost. Returns true on success, false on failure (if there are
     * any invalid characters).
     *
     * @param string $ihost
     * @return bool
     */
    protected function set_host($ihost)
    {
        if ($ihost === null)
        {
            $this->ihost = null;
            return true;
        }
        elseif (substr($ihost, 0, 1) === '[' && substr($ihost, -1) === ']')
        {
            if (Requests_IPv6::check_ipv6(substr($ihost, 1, -1)))
            {
                $this->ihost = '[' . Requests_IPv6::compress(substr($ihost, 1, -1)) . ']';
            }
            else
            {
                $this->ihost = null;
                return false;
            }
        }
        else
        {
            $ihost = $this->replace_invalid_with_pct_encoding($ihost, '!$&\'()*+,;=');

            // Lowercase, but ignore pct-encoded sections (as they should
            // remain uppercase). This must be done after the previous step
            // as that can add unescaped characters.
            $position = 0;
            $strlen = strlen($ihost);
            while (($position += strcspn($ihost, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ%', $position)) < $strlen)
            {
                if ($ihost[$position] === '%')
                {
                    $position += 3;
                }
                else
                {
                    $ihost[$position] = strtolower($ihost[$position]);
                    $position++;
                }
            }

            $this->ihost = $ihost;
        }

        $this->scheme_normalization();

        return true;
    }

    /**
     * Set the port. Returns true on success, false on failure (if there are
     * any invalid characters).
     *
     * @param string $port
     * @return bool
     */
    protected function set_port($port)
    {
        if ($port === null)
        {
            $this->port = null;
            return true;
        }
        elseif (strspn($port, '0123456789') === strlen($port))
        {
            $this->port = (int) $port;
            $this->scheme_normalization();
            return true;
        }
        else
        {
            $this->port = null;
            return false;
        }
    }

    /**
     * Set the ipath.
     *
     * @param string $ipath
     * @return bool
     */
    protected function set_path($ipath)
    {
        static $cache;
        if (!$cache)
        {
            $cache = array();
        }

        $ipath = (string) $ipath;

        if (isset($cache[$ipath]))
        {
            $this->ipath = $cache[$ipath][(int) ($this->scheme !== null)];
        }
        else
        {
            $valid = $this->replace_invalid_with_pct_encoding($ipath, '!$&\'()*+,;=@:/');
            $removed = $this->remove_dot_segments($valid);

            $cache[$ipath] = array($valid, $removed);
            $this->ipath =  ($this->scheme !== null) ? $removed : $valid;
        }

        $this->scheme_normalization();
        return true;
    }

    /**
     * Set the iquery.
     *
     * @param string $iquery
     * @return bool
     */
    protected function set_query($iquery)
    {
        if ($iquery === null)
        {
            $this->iquery = null;
        }
        else
        {
            $this->iquery = $this->replace_invalid_with_pct_encoding($iquery, '!$&\'()*+,;=:@/?', true);
            $this->scheme_normalization();
        }
        return true;
    }

    /**
     * Set the ifragment.
     *
     * @param string $ifragment
     * @return bool
     */
    protected function set_fragment($ifragment)
    {
        if ($ifragment === null)
        {
            $this->ifragment = null;
        }
        else
        {
            $this->ifragment = $this->replace_invalid_with_pct_encoding($ifragment, '!$&\'()*+,;=:@/?');
            $this->scheme_normalization();
        }
        return true;
    }

    /**
     * Convert an IRI to a URI (or parts thereof)
     *
     * @return string
     */
    protected function to_uri($string)
    {
        static $non_ascii;
        if (!$non_ascii)
        {
            $non_ascii = implode('', range("\x80", "\xFF"));
        }

        $position = 0;
        $strlen = strlen($string);
        while (($position += strcspn($string, $non_ascii, $position)) < $strlen)
        {
            $string = substr_replace($string, sprintf('%%%02X', ord($string[$position])), $position, 1);
            $position += 3;
            $strlen += 2;
        }

        return $string;
    }

    /**
     * Get the complete IRI
     *
     * @return string
     */
    protected function get_iri()
    {
        if (!$this->is_valid())
        {
            return false;
        }

        $iri = '';
        if ($this->scheme !== null)
        {
            $iri .= $this->scheme . ':';
        }
        if (($iauthority = $this->get_iauthority()) !== null)
        {
            $iri .= '//' . $iauthority;
        }
        $iri .= $this->ipath;
        if ($this->iquery !== null)
        {
            $iri .= '?' . $this->iquery;
        }
        if ($this->ifragment !== null)
        {
            $iri .= '#' . $this->ifragment;
        }

        return $iri;
    }

    /**
     * Get the complete URI
     *
     * @return string
     */
    protected function get_uri()
    {
        return $this->to_uri($this->get_iri());
    }

    /**
     * Get the complete iauthority
     *
     * @return string
     */
    protected function get_iauthority()
    {
        if ($this->iuserinfo !== null || $this->ihost !== null || $this->port !== null)
        {
            $iauthority = '';
            if ($this->iuserinfo !== null)
            {
                $iauthority .= $this->iuserinfo . '@';
            }
            if ($this->ihost !== null)
            {
                $iauthority .= $this->ihost;
            }
            if ($this->port !== null)
            {
                $iauthority .= ':' . $this->port;
            }
            return $iauthority;
        }
        else
        {
            return null;
        }
    }

    /**
     * Get the complete authority
     *
     * @return string
     */
    protected function get_authority()
    {
        $iauthority = $this->get_iauthority();
        if (is_string($iauthority))
            return $this->to_uri($iauthority);
        else
            return $iauthority;
    }
}
<?php
/**
 * Proxy connection interface
 *
 * @package Requests
 * @subpackage Proxy
 * @since 1.6
 */

/**
 * Proxy connection interface
 *
 * Implement this interface to handle proxy settings and authentication
 *
 * Parameters should be passed via the constructor where possible, as this
 * makes it much easier for users to use your provider.
 *
 * @see Requests_Hooks
 * @package Requests
 * @subpackage Proxy
 * @since 1.6
 */
interface Requests_Proxy {
	/**
	 * Register hooks as needed
	 *
	 * This method is called in {@see Requests::request} when the user has set
	 * an instance as the 'auth' option. Use this callback to register all the
	 * hooks you'll need.
	 *
	 * @see Requests_Hooks::register
	 * @param Requests_Hooks $hooks Hook system
	 */
	public function register(Requests_Hooks &$hooks);
}<?php
/**
 * HTTP Proxy connection interface
 *
 * @package Requests
 * @subpackage Proxy
 * @since 1.6
 */

/**
 * HTTP Proxy connection interface
 *
 * Provides a handler for connection via an HTTP proxy
 *
 * @package Requests
 * @subpackage Proxy
 * @since 1.6
 */
class Requests_Proxy_HTTP implements Requests_Proxy {
	/**
	 * Proxy host and port
	 *
	 * Notation: "host:port" (eg 127.0.0.1:8080 or someproxy.com:3128)
	 *
	 * @var string
	 */
	public $proxy;

	/**
	 * Username
	 *
	 * @var string
	 */
	public $user;

	/**
	 * Password
	 *
	 * @var string
	 */
	public $pass;

	/**
	 * Do we need to authenticate? (ie username & password have been provided)
	 *
	 * @var boolean
	 */
	public $use_authentication;

	/**
	 * Constructor
	 *
	 * @since 1.6
	 * @throws Requests_Exception On incorrect number of arguments (`authbasicbadargs`)
	 * @param array|null $args Array of user and password. Must have exactly two elements
	 */
	public function __construct($args = null) {
		if (is_string($args)) {
			$this->proxy = $args;
		}
		elseif (is_array($args)) {
			if (count($args) == 1) {
				list($this->proxy) = $args;
			}
			elseif (count($args) == 3) {
				list($this->proxy, $this->user, $this->pass) = $args;
				$this->use_authentication = true;
			}
			else {
				throw new Requests_Exception( 'Invalid number of arguments', 'proxyhttpbadargs');
			}
		}
	}

	/**
	 * Register the necessary callbacks
	 *
	 * @since 1.6
	 * @see curl_before_send
	 * @see fsockopen_remote_socket
	 * @see fsockopen_remote_host_path
	 * @see fsockopen_header
	 * @param Requests_Hooks $hooks Hook system
	 */
	public function register(Requests_Hooks &$hooks) {
		$hooks->register('curl.before_send', array(&$this, 'curl_before_send'));

		$hooks->register('fsockopen.remote_socket', array(&$this, 'fsockopen_remote_socket'));
		$hooks->register('fsockopen.remote_host_path', array(&$this, 'fsockopen_remote_host_path'));
		if( $this->use_authentication ) {
			$hooks->register('fsockopen.after_headers', array(&$this, 'fsockopen_header'));
		}
	}

	/**
	 * Set cURL parameters before the data is sent
	 *
	 * @since 1.6
	 * @param resource $handle cURL resource
	 */
	public function curl_before_send(&$handle) {
		curl_setopt($handle, CURLOPT_PROXYTYPE, CURLPROXY_HTTP);
		curl_setopt($handle, CURLOPT_PROXY, $this->proxy);

		if ($this->use_authentication) {
			curl_setopt($handle, CURLOPT_PROXYAUTH, CURLAUTH_ANY);
			curl_setopt($handle, CURLOPT_PROXYUSERPWD, $this->get_auth_string());
		}
	}

	/**
	 * Alter remote socket information before opening socket connection
	 *
	 * @since 1.6
	 * @param string $out HTTP header string
	 */
	public function fsockopen_remote_socket( &$remote_socket ) {
		$remote_socket = $this->proxy;
	}

	/**
	 * Alter remote path before getting stream data
	 *
	 * @since 1.6
	 * @param string $out HTTP header string
	 */
	public function fsockopen_remote_host_path( &$path, $url ) {
		$path = $url;
	}

	/**
	 * Add extra headers to the request before sending
	 *
	 * @since 1.6
	 * @param string $out HTTP header string
	 */
	public function fsockopen_header( &$out ) {
		$out .= "Proxy-Authorization: Basic " . base64_encode($this->get_auth_string()) . "\r\n";
	}

	/**
	 * Get the authentication string (user:pass)
	 *
	 * @since 1.6
	 * @return string
	 */
	public function get_auth_string() {
		return $this->user . ':' . $this->pass;
	}
}<?php
/**
 * HTTP response class
 *
 * Contains a response from Requests::request()
 * @package Requests
 */

/**
 * HTTP response class
 *
 * Contains a response from Requests::request()
 * @package Requests
 */
class Requests_Response {
	/**
	 * Constructor
	 */
	public function __construct() {
		$this->headers = new Requests_Response_Headers();
	}

	/**
	 * Response body
	 * @var string
	 */
	public $body = '';

	/**
	 * Raw HTTP data from the transport
	 * @var string
	 */
	public $raw = '';

	/**
	 * Headers, as an associative array
	 * @var array
	 */
	public $headers = array();

	/**
	 * Status code, false if non-blocking
	 * @var integer|boolean
	 */
	public $status_code = false;

	/**
	 * Whether the request succeeded or not
	 * @var boolean
	 */
	public $success = false;

	/**
	 * Number of redirects the request used
	 * @var integer
	 */
	public $redirects = 0;

	/**
	 * URL requested
	 * @var string
	 */
	public $url = '';

	/**
	 * Previous requests (from redirects)
	 * @var array Array of Requests_Response objects
	 */
	public $history = array();

	/**
	 * Cookies from the request
	 */
	public $cookies = array();

	/**
	 * Throws an exception if the request was not successful
	 *
	 * @throws Requests_Exception If `$allow_redirects` is false, and code is 3xx (`response.no_redirects`)
	 * @throws Requests_Exception_HTTP On non-successful status code. Exception class corresponds to code (e.g. {@see Requests_Exception_HTTP_404})
	 * @param boolean $allow_redirects Set to false to throw on a 3xx as well
	 */
	public function throw_for_status($allow_redirects = true) {
		if ($this->status_code >= 300 && $this->status_code < 400) {
			if (!$allow_redirects) {
				throw new Requests_Exception('Redirection not allowed', 'response.no_redirects', $this);
			}
		}

		elseif (!$this->success) {
			$exception = Requests_Exception_HTTP::get_class($this->status_code);
			throw new $exception(null, $this);
		}
	}
}<?php
/**
 * Case-insensitive dictionary, suitable for HTTP headers
 *
 * @package Requests
 */

/**
 * Case-insensitive dictionary, suitable for HTTP headers
 *
 * @package Requests
 */
class Requests_Response_Headers extends Requests_Utility_CaseInsensitiveDictionary {
	/**
	 * Get the given header
	 *
	 * Unlike {@see self::getValues()}, this returns a string. If there are
	 * multiple values, it concatenates them with a comma as per RFC2616.
	 *
	 * Avoid using this where commas may be used unquoted in values, such as
	 * Set-Cookie headers.
	 *
	 * @param string $key
	 * @return string Header value
	 */
	public function offsetGet($key) {
		$key = strtolower($key);
		if (!isset($this->data[$key]))
			return null;

		return $this->flatten($this->data[$key]);
	}

	/**
	 * Set the given item
	 *
	 * @throws Requests_Exception On attempting to use dictionary as list (`invalidset`)
	 *
	 * @param string $key Item name
	 * @param string $value Item value
	 */
	public function offsetSet($key, $value) {
		if ($key === null) {
			throw new Requests_Exception('Object is a dictionary, not a list', 'invalidset');
		}

		$key = strtolower($key);

		if (!isset($this->data[$key])) {
			$this->data[$key] = array();
		}

		$this->data[$key][] = $value;
	}

	/**
	 * Get all values for a given header
	 *
	 * @param string $key
	 * @return array Header values
	 */
	public function getValues($key) {
		$key = strtolower($key);
		if (!isset($this->data[$key]))
			return null;

		return $this->data[$key];
	}

	/**
	 * Flattens a value into a string
	 *
	 * Converts an array into a string by imploding values with a comma, as per
	 * RFC2616's rules for folding headers.
	 *
	 * @param string|array $value Value to flatten
	 * @return string Flattened value
	 */
	public function flatten($value) {
		if (is_array($value))
			$value = implode(',', $value);

		return $value;
	}

	/**
	 * Get an iterator for the data
	 *
	 * Converts the internal
	 * @return ArrayIterator
	 */
	public function getIterator() {
		return new Requests_Utility_FilteredIterator($this->data, array($this, 'flatten'));
	}
}
<?php
/**
 * SSL utilities for Requests
 *
 * @package Requests
 * @subpackage Utilities
 */

/**
 * SSL utilities for Requests
 *
 * Collection of utilities for working with and verifying SSL certificates.
 *
 * @package Requests
 * @subpackage Utilities
 */
class Requests_SSL {
	/**
	 * Verify the certificate against common name and subject alternative names
	 *
	 * Unfortunately, PHP doesn't check the certificate against the alternative
	 * names, leading things like 'https://www.github.com/' to be invalid.
	 * Instead
	 *
	 * @see http://tools.ietf.org/html/rfc2818#section-3.1 RFC2818, Section 3.1
	 *
	 * @throws Requests_Exception On not obtaining a match for the host (`fsockopen.ssl.no_match`)
	 * @param string $host Host name to verify against
	 * @param resource $context Stream context
	 * @return bool
	 */
	public static function verify_certificate($host, $cert) {
		// Calculate the valid wildcard match if the host is not an IP address
		$parts = explode('.', $host);
		if (ip2long($host) === false) {
			$parts[0] = '*';
		}
		$wildcard = implode('.', $parts);

		$has_dns_alt = false;

		// Check the subjectAltName
		if (!empty($cert['extensions']) && !empty($cert['extensions']['subjectAltName'])) {
			$altnames = explode(',', $cert['extensions']['subjectAltName']);
			foreach ($altnames as $altname) {
				$altname = trim($altname);
				if (strpos($altname, 'DNS:') !== 0)
					continue;

				$has_dns_alt = true;

				// Strip the 'DNS:' prefix and trim whitespace
				$altname = trim(substr($altname, 4));

				// Check for a match
				if (self::match_domain($host, $altname) === true) {
					return true;
				}
			}
		}

		// Fall back to checking the common name if we didn't get any dNSName
		// alt names, as per RFC2818
		if (!$has_dns_alt && !empty($cert['subject']['CN'])) {
			// Check for a match
			if (self::match_domain($host, $cert['subject']['CN']) === true) {
				return true;
			}
		}

		return false;
	}

	/**
	 * Verify that a reference name is valid
	 *
	 * Verifies a dNSName for HTTPS usage, (almost) as per Firefox's rules:
	 * - Wildcards can only occur in a name with more than 3 components
	 * - Wildcards can only occur as the last character in the first
	 *   component
	 * - Wildcards may be preceded by additional characters
	 *
	 * We modify these rules to be a bit stricter and only allow the wildcard
	 * character to be the full first component; that is, with the exclusion of
	 * the third rule.
	 *
	 * @param string $reference Reference dNSName
	 * @return boolean Is the name valid?
	 */
	public static function verify_reference_name($reference) {
		$parts = explode('.', $reference);

		// Check the first part of the name
		$first = array_shift($parts);

		if (strpos($first, '*') !== false) {
			// Check that the wildcard is the full part
			if ($first !== '*') {
				return false;
			}

			// Check that we have at least 3 components (including first)
			if (count($parts) < 2) {
				return false;
			}
		}

		// Check the remaining parts
		foreach ($parts as $part) {
			if (strpos($part, '*') !== false) {
				return false;
			}
		}

		// Nothing found, verified!
		return true;
	}

	/**
	 * Match a hostname against a dNSName reference
	 *
	 * @param string $host Requested host
	 * @param string $reference dNSName to match against
	 * @return boolean Does the domain match?
	 */
	public static function match_domain($host, $reference) {
		// Check if the reference is blacklisted first
		if (self::verify_reference_name($reference) !== true) {
			return false;
		}

		// Check for a direct match
		if ($host === $reference) {
			return true;
		}

		// Calculate the valid wildcard match if the host is not an IP address
		// Also validates that the host has 3 parts or more, as per Firefox's
		// ruleset.
		if (ip2long($host) === false) {
			$parts = explode('.', $host);
			$parts[0] = '*';
			$wildcard = implode('.', $parts);
			if ($wildcard === $reference) {
				return true;
			}
		}

		return false;
	}
}<?php
/**
 * Session handler for persistent requests and default parameters
 *
 * @package Requests
 * @subpackage Session Handler
 */

/**
 * Session handler for persistent requests and default parameters
 *
 * Allows various options to be set as default values, and merges both the
 * options and URL properties together. A base URL can be set for all requests,
 * with all subrequests resolved from this. Base options can be set (including
 * a shared cookie jar), then overridden for individual requests.
 *
 * @package Requests
 * @subpackage Session Handler
 */
class Requests_Session {
	/**
	 * Base URL for requests
	 *
	 * URLs will be made absolute using this as the base
	 * @var string|null
	 */
	public $url = null;

	/**
	 * Base headers for requests
	 * @var array
	 */
	public $headers = array();

	/**
	 * Base data for requests
	 *
	 * If both the base data and the per-request data are arrays, the data will
	 * be merged before sending the request.
	 *
	 * @var array
	 */
	public $data = array();

	/**
	 * Base options for requests
	 *
	 * The base options are merged with the per-request data for each request.
	 * The only default option is a shared cookie jar between requests.
	 *
	 * Values here can also be set directly via properties on the Session
	 * object, e.g. `$session->useragent = 'X';`
	 *
	 * @var array
	 */
	public $options = array();

	/**
	 * Create a new session
	 *
	 * @param string|null $url Base URL for requests
	 * @param array $headers Default headers for requests
	 * @param array $data Default data for requests
	 * @param array $options Default options for requests
	 */
	public function __construct($url = null, $headers = array(), $data = array(), $options = array()) {
		$this->url = $url;
		$this->headers = $headers;
		$this->data = $data;
		$this->options = $options;

		if (empty($this->options['cookies'])) {
			$this->options['cookies'] = new Requests_Cookie_Jar();
		}
	}

	/**
	 * Get a property's value
	 *
	 * @param string $key Property key
	 * @return mixed|null Property value, null if none found
	 */
	public function __get($key) {
		if (isset($this->options[$key]))
			return $this->options[$key];

		return null;
	}

	/**
	 * Set a property's value
	 *
	 * @param string $key Property key
	 * @param mixed $value Property value
	 */
	public function __set($key, $value) {
		$this->options[$key] = $value;
	}

	/**
	 * Remove a property's value
	 *
	 * @param string $key Property key
	 */
	public function __isset($key) {
		return isset($this->options[$key]);
	}

	/**
	 * Remove a property's value
	 *
	 * @param string $key Property key
	 */
	public function __unset($key) {
		$this->options[$key] = null;
	}

	/**#@+
	 * @see request()
	 * @param string $url
	 * @param array $headers
	 * @param array $options
	 * @return Requests_Response
	 */
	/**
	 * Send a GET request
	 */
	public function get($url, $headers = array(), $options = array()) {
		return $this->request($url, $headers, null, Requests::GET, $options);
	}

	/**
	 * Send a HEAD request
	 */
	public function head($url, $headers = array(), $options = array()) {
		return $this->request($url, $headers, null, Requests::HEAD, $options);
	}

	/**
	 * Send a DELETE request
	 */
	public function delete($url, $headers = array(), $options = array()) {
		return $this->request($url, $headers, null, Requests::DELETE, $options);
	}
	/**#@-*/

	/**#@+
	 * @see request()
	 * @param string $url
	 * @param array $headers
	 * @param array $data
	 * @param array $options
	 * @return Requests_Response
	 */
	/**
	 * Send a POST request
	 */
	public function post($url, $headers = array(), $data = array(), $options = array()) {
		return $this->request($url, $headers, $data, Requests::POST, $options);
	}

	/**
	 * Send a PUT request
	 */
	public function put($url, $headers = array(), $data = array(), $options = array()) {
		return $this->request($url, $headers, $data, Requests::PUT, $options);
	}

	/**
	 * Send a PATCH request
	 *
	 * Note: Unlike {@see post} and {@see put}, `$headers` is required, as the
	 * specification recommends that should send an ETag
	 *
	 * @link http://tools.ietf.org/html/rfc5789
	 */
	public function patch($url, $headers, $data = array(), $options = array()) {
		return $this->request($url, $headers, $data, Requests::PATCH, $options);
	}
	/**#@-*/

	/**
	 * Main interface for HTTP requests
	 *
	 * This method initiates a request and sends it via a transport before
	 * parsing.
	 *
	 * @see Requests::request()
	 *
	 * @throws Requests_Exception On invalid URLs (`nonhttp`)
	 *
	 * @param string $url URL to request
	 * @param array $headers Extra headers to send with the request
	 * @param array $data Data to send either as a query string for GET/HEAD requests, or in the body for POST requests
	 * @param string $type HTTP request type (use Requests constants)
	 * @param array $options Options for the request (see {@see Requests::request})
	 * @return Requests_Response
	 */
	public function request($url, $headers = array(), $data = array(), $type = Requests::GET, $options = array()) {
		$request = $this->merge_request(compact('url', 'headers', 'data', 'options'));

		return Requests::request($request['url'], $request['headers'], $request['data'], $type, $request['options']);
	}

	/**
	 * Send multiple HTTP requests simultaneously
	 *
	 * @see Requests::request_multiple()
	 *
	 * @param array $requests Requests data (see {@see Requests::request_multiple})
	 * @param array $options Global and default options (see {@see Requests::request})
	 * @return array Responses (either Requests_Response or a Requests_Exception object)
	 */
	public function request_multiple($requests, $options = array()) {
		foreach ($requests as $key => $request) {
			$requests[$key] = $this->merge_request($request, false);
		}

		$options = array_merge($this->options, $options);

		// Disallow forcing the type, as that's a per request setting
		unset($options['type']);

		return Requests::request_multiple($requests, $options);
	}

	/**
	 * Merge a request's data with the default data
	 *
	 * @param array $request Request data (same form as {@see request_multiple})
	 * @param boolean $merge_options Should we merge options as well?
	 * @return array Request data
	 */
	protected function merge_request($request, $merge_options = true) {
		if ($this->url !== null) {
			$request['url'] = Requests_IRI::absolutize($this->url, $request['url']);
			$request['url'] = $request['url']->uri;
		}
		$request['headers'] = array_merge($this->headers, $request['headers']);

		if (is_array($request['data']) && is_array($this->data)) {
			$request['data'] = array_merge($this->data, $request['data']);
		}

		if ($merge_options !== false) {
			$request['options'] = array_merge($this->options, $request['options']);

			// Disallow forcing the type, as that's a per request setting
			unset($request['options']['type']);
		}
		return $request;
	}
}<?php
/**
 * Base HTTP transport
 *
 * @package Requests
 * @subpackage Transport
 */

/**
 * Base HTTP transport
 *
 * @package Requests
 * @subpackage Transport
 */
interface Requests_Transport {
	/**
	 * Perform a request
	 *
	 * @param string $url URL to request
	 * @param array $headers Associative array of request headers
	 * @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
	 * @param array $options Request options, see {@see Requests::response()} for documentation
	 * @return string Raw HTTP result
	 */
	public function request($url, $headers = array(), $data = array(), $options = array());

	/**
	 * Send multiple requests simultaneously
	 *
	 * @param array $requests Request data (array of 'url', 'headers', 'data', 'options') as per {@see Requests_Transport::request}
	 * @param array $options Global options, see {@see Requests::response()} for documentation
	 * @return array Array of Requests_Response objects (may contain Requests_Exception or string responses as well)
	 */
	public function request_multiple($requests, $options);

	/**
	 * Self-test whether the transport can be used
	 * @return bool
	 */
	public static function test();
}<?php
/**
 * cURL HTTP transport
 *
 * @package Requests
 * @subpackage Transport
 */

/**
 * cURL HTTP transport
 *
 * @package Requests
 * @subpackage Transport
 */
class Requests_Transport_cURL implements Requests_Transport {
	/**
	 * Raw HTTP data
	 *
	 * @var string
	 */
	public $headers = '';

	/**
	 * Information on the current request
	 *
	 * @var array cURL information array, see {@see http://php.net/curl_getinfo}
	 */
	public $info;

	/**
	 * Version string
	 *
	 * @var string
	 */
	public $version;

	/**
	 * cURL handle
	 *
	 * @var resource
	 */
	protected $fp;

	/**
	 * Have we finished the headers yet?
	 *
	 * @var boolean
	 */
	protected $done_headers = false;

	/**
	 * If streaming to a file, keep the file pointer
	 *
	 * @var resource
	 */
	protected $stream_handle;

	/**
	 * Constructor
	 */
	public function __construct() {
		$curl = curl_version();
		$this->version = $curl['version'];
		$this->fp = curl_init();

		curl_setopt($this->fp, CURLOPT_HEADER, false);
		curl_setopt($this->fp, CURLOPT_RETURNTRANSFER, 1);
		if (version_compare($this->version, '7.10.5', '>=')) {
			curl_setopt($this->fp, CURLOPT_ENCODING, '');
		}
		if (defined('CURLOPT_PROTOCOLS')) {
			curl_setopt($this->fp, CURLOPT_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
		}
		if (defined('CURLOPT_REDIR_PROTOCOLS')) {
			curl_setopt($this->fp, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTP | CURLPROTO_HTTPS);
		}
	}

	/**
	 * Perform a request
	 *
	 * @throws Requests_Exception On a cURL error (`curlerror`)
	 *
	 * @param string $url URL to request
	 * @param array $headers Associative array of request headers
	 * @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
	 * @param array $options Request options, see {@see Requests::response()} for documentation
	 * @return string Raw HTTP result
	 */
	public function request($url, $headers = array(), $data = array(), $options = array()) {
		$this->setup_handle($url, $headers, $data, $options);

		$options['hooks']->dispatch('curl.before_send', array(&$this->fp));

		if ($options['filename'] !== false) {
			$this->stream_handle = fopen($options['filename'], 'wb');
			curl_setopt($this->fp, CURLOPT_FILE, $this->stream_handle);
		}

		if (isset($options['verify'])) {
			if ($options['verify'] === false) {
				curl_setopt($this->fp, CURLOPT_SSL_VERIFYHOST, 0);
				curl_setopt($this->fp, CURLOPT_SSL_VERIFYPEER, 0);

			} elseif (is_string($options['verify'])) {
				curl_setopt($this->fp, CURLOPT_CAINFO, $options['verify']);
			}
		}

		if (isset($options['verifyname']) && $options['verifyname'] === false) {
			curl_setopt($this->fp, CURLOPT_SSL_VERIFYHOST, 0);
		}

		$response = curl_exec($this->fp);

		$options['hooks']->dispatch('curl.after_send', array(&$fake_headers));

		if (curl_errno($this->fp) === 23 || curl_errno($this->fp) === 61) {
			curl_setopt($this->fp, CURLOPT_ENCODING, 'none');
			$response = curl_exec($this->fp);
		}

		$this->process_response($response, $options);
		curl_close($this->fp);
		return $this->headers;
	}

	/**
	 * Send multiple requests simultaneously
	 *
	 * @param array $requests Request data
	 * @param array $options Global options
	 * @return array Array of Requests_Response objects (may contain Requests_Exception or string responses as well)
	 */
	public function request_multiple($requests, $options) {
		$multihandle = curl_multi_init();
		$subrequests = array();
		$subhandles = array();

		$class = get_class($this);
		foreach ($requests as $id => $request) {
			$subrequests[$id] = new $class();
			$subhandles[$id] = $subrequests[$id]->get_subrequest_handle($request['url'], $request['headers'], $request['data'], $request['options']);
			$request['options']['hooks']->dispatch('curl.before_multi_add', array(&$subhandles[$id]));
			curl_multi_add_handle($multihandle, $subhandles[$id]);
		}

		$completed = 0;
		$responses = array();

		$request['options']['hooks']->dispatch('curl.before_multi_exec', array(&$multihandle));

		do {
			$active = false;

			do {
				$status = curl_multi_exec($multihandle, $active);
			}
			while ($status === CURLM_CALL_MULTI_PERFORM);

			$to_process = array();

			// Read the information as needed
			while ($done = curl_multi_info_read($multihandle)) {
				$key = array_search($done['handle'], $subhandles, true);
				if (!isset($to_process[$key])) {
					$to_process[$key] = $done;
				}
			}

			// Parse the finished requests before we start getting the new ones
			foreach ($to_process as $key => $done) {
				$options = $requests[$key]['options'];
				$responses[$key] = $subrequests[$key]->process_response(curl_multi_getcontent($done['handle']), $options);

				$options['hooks']->dispatch('transport.internal.parse_response', array(&$responses[$key], $requests[$key]));

				curl_multi_remove_handle($multihandle, $done['handle']);
				curl_close($done['handle']);

				if (!is_string($responses[$key])) {
					$options['hooks']->dispatch('multiple.request.complete', array(&$responses[$key], $key));
				}
				$completed++;
			}
		}
		while ($active || $completed < count($subrequests));

		$request['options']['hooks']->dispatch('curl.after_multi_exec', array(&$multihandle));

		curl_multi_close($multihandle);

		return $responses;
	}

	/**
	 * Get the cURL handle for use in a multi-request
	 *
	 * @param string $url URL to request
	 * @param array $headers Associative array of request headers
	 * @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
	 * @param array $options Request options, see {@see Requests::response()} for documentation
	 * @return resource Subrequest's cURL handle
	 */
	public function &get_subrequest_handle($url, $headers, $data, $options) {
		$this->setup_handle($url, $headers, $data, $options);

		if ($options['filename'] !== false) {
			$this->stream_handle = fopen($options['filename'], 'wb');
			curl_setopt($this->fp, CURLOPT_FILE, $this->stream_handle);
		}

		return $this->fp;
	}

	/**
	 * Setup the cURL handle for the given data
	 *
	 * @param string $url URL to request
	 * @param array $headers Associative array of request headers
	 * @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
	 * @param array $options Request options, see {@see Requests::response()} for documentation
	 */
	protected function setup_handle($url, $headers, $data, $options) {
		$options['hooks']->dispatch('curl.before_request', array(&$this->fp));

		$headers = Requests::flatten($headers);
		if (in_array($options['type'], array(Requests::HEAD, Requests::GET, Requests::DELETE)) & !empty($data)) {
			$url = self::format_get($url, $data);
		}
		elseif (!empty($data) && !is_string($data)) {
			$data = http_build_query($data, null, '&');
		}

		switch ($options['type']) {
			case Requests::POST:
				curl_setopt($this->fp, CURLOPT_POST, true);
				curl_setopt($this->fp, CURLOPT_POSTFIELDS, $data);
				break;
			case Requests::PATCH:
			case Requests::PUT:
				curl_setopt($this->fp, CURLOPT_CUSTOMREQUEST, $options['type']);
				curl_setopt($this->fp, CURLOPT_POSTFIELDS, $data);
				break;
			case Requests::DELETE:
				curl_setopt($this->fp, CURLOPT_CUSTOMREQUEST, 'DELETE');
				break;
			case Requests::HEAD:
				curl_setopt($this->fp, CURLOPT_NOBODY, true);
				break;
		}

		curl_setopt($this->fp, CURLOPT_URL, $url);
		curl_setopt($this->fp, CURLOPT_TIMEOUT, $options['timeout']);
		curl_setopt($this->fp, CURLOPT_CONNECTTIMEOUT, $options['timeout']);
		curl_setopt($this->fp, CURLOPT_REFERER, $url);
		curl_setopt($this->fp, CURLOPT_USERAGENT, $options['useragent']);
		curl_setopt($this->fp, CURLOPT_HTTPHEADER, $headers);

		if (true === $options['blocking']) {
			curl_setopt($this->fp, CURLOPT_HEADERFUNCTION, array(&$this, 'stream_headers'));
		}
	}

	public function process_response($response, $options) {
		if ($options['blocking'] === false) {
			$fake_headers = '';
			$options['hooks']->dispatch('curl.after_request', array(&$fake_headers));
			return false;
		}
		if ($options['filename'] !== false) {
			fclose($this->stream_handle);
			$this->headers = trim($this->headers);
		}
		else {
			$this->headers .= $response;
		}

		if (curl_errno($this->fp)) {
			throw new Requests_Exception('cURL error ' . curl_errno($this->fp) . ': ' . curl_error($this->fp), 'curlerror', $this->fp);
			return;
		}
		$this->info = curl_getinfo($this->fp);

		$options['hooks']->dispatch('curl.after_request', array(&$this->headers));
		return $this->headers;
	}

	/**
	 * Collect the headers as they are received
	 *
	 * @param resource $handle cURL resource
	 * @param string $headers Header string
	 * @return integer Length of provided header
	 */
	protected function stream_headers($handle, $headers) {
		// Why do we do this? cURL will send both the final response and any
		// interim responses, such as a 100 Continue. We don't need that.
		// (We may want to keep this somewhere just in case)
		if ($this->done_headers) {
			$this->headers = '';
			$this->done_headers = false;
		}
		$this->headers .= $headers;

		if ($headers === "\r\n") {
			$this->done_headers = true;
		}
		return strlen($headers);
	}

	/**
	 * Format a URL given GET data
	 *
	 * @param string $url
	 * @param array|object $data Data to build query using, see {@see http://php.net/http_build_query}
	 * @return string URL with data
	 */
	protected static function format_get($url, $data) {
		if (!empty($data)) {
			$url_parts = parse_url($url);
			if (empty($url_parts['query'])) {
				$query = $url_parts['query'] = '';
			}
			else {
				$query = $url_parts['query'];
			}

			$query .= '&' . http_build_query($data, null, '&');
			$query = trim($query, '&');

			if (empty($url_parts['query'])) {
				$url .= '?' . $query;
			}
			else {
				$url = str_replace($url_parts['query'], $query, $url);
			}
		}
		return $url;
	}

	/**
	 * Whether this transport is valid
	 *
	 * @codeCoverageIgnore
	 * @return boolean True if the transport is valid, false otherwise.
	 */
	public static function test() {
		return (function_exists('curl_init') && function_exists('curl_exec'));
	}
}
<?php
/**
 * fsockopen HTTP transport
 *
 * @package Requests
 * @subpackage Transport
 */

/**
 * fsockopen HTTP transport
 *
 * @package Requests
 * @subpackage Transport
 */
class Requests_Transport_fsockopen implements Requests_Transport {
	/**
	 * Raw HTTP data
	 *
	 * @var string
	 */
	public $headers = '';

	/**
	 * Stream metadata
	 *
	 * @var array Associative array of properties, see {@see http://php.net/stream_get_meta_data}
	 */
	public $info;

	protected $connect_error = '';

	/**
	 * Perform a request
	 *
	 * @throws Requests_Exception On failure to connect to socket (`fsockopenerror`)
	 * @throws Requests_Exception On socket timeout (`timeout`)
	 *
	 * @param string $url URL to request
	 * @param array $headers Associative array of request headers
	 * @param string|array $data Data to send either as the POST body, or as parameters in the URL for a GET/HEAD
	 * @param array $options Request options, see {@see Requests::response()} for documentation
	 * @return string Raw HTTP result
	 */
	public function request($url, $headers = array(), $data = array(), $options = array()) {
		$options['hooks']->dispatch('fsockopen.before_request');

		$url_parts = parse_url($url);
		$host = $url_parts['host'];
		$context = stream_context_create();
		$verifyname = false;

		// HTTPS support
		if (isset($url_parts['scheme']) && strtolower($url_parts['scheme']) === 'https') {
			$remote_socket = 'ssl://' . $host;
			$url_parts['port'] = 443;

			$context_options = array(
				'verify_peer' => true,
				// 'CN_match' => $host,
				'capture_peer_cert' => true
			);
			$verifyname = true;

			// SNI, if enabled (OpenSSL >=0.9.8j)
			if (defined('OPENSSL_TLSEXT_SERVER_NAME') && OPENSSL_TLSEXT_SERVER_NAME) {
				$context_options['SNI_enabled'] = true;
				if (isset($options['verifyname']) && $options['verifyname'] === false) {
					$context_options['SNI_enabled'] = false;
				}
			}

			if (isset($options['verify'])) {
				if ($options['verify'] === false) {
					$context_options['verify_peer'] = false;
				} elseif (is_string($options['verify'])) {
					$context_options['cafile'] = $options['verify'];
				}
			}

			if (isset($options['verifyname']) && $options['verifyname'] === false) {
				$verifyname = false;
			}

			stream_context_set_option($context, array('ssl' => $context_options));
		}
		else {
			$remote_socket = 'tcp://' . $host;
		}

		$proxy = isset( $options['proxy'] );
		$proxy_auth = $proxy && isset( $options['proxy_username'] ) && isset( $options['proxy_password'] );

		if (!isset($url_parts['port'])) {
			$url_parts['port'] = 80;
		}
		$remote_socket .= ':' . $url_parts['port'];

		set_error_handler(array($this, 'connect_error_handler'), E_WARNING | E_NOTICE);

		$options['hooks']->dispatch('fsockopen.remote_socket', array(&$remote_socket));

		$fp = stream_socket_client($remote_socket, $errno, $errstr, $options['timeout'], STREAM_CLIENT_CONNECT, $context);

		restore_error_handler();

		if ($verifyname) {
			if (!$this->verify_certificate_from_context($host, $context)) {
				throw new Requests_Exception('SSL certificate did not match the requested domain name', 'ssl.no_match');
			}
		}

		if (!$fp) {
			if ($errno === 0) {
				// Connection issue
				throw new Requests_Exception(rtrim($this->connect_error), 'fsockopen.connect_error');
			}
			else {
				throw new Requests_Exception($errstr, 'fsockopenerror');
				return;
			}
		}

		$request_body = '';
		$out = '';
		switch ($options['type']) {
			case Requests::POST:
			case Requests::PUT:
			case Requests::PATCH:
				if (isset($url_parts['path'])) {
					$path = $url_parts['path'];
					if (isset($url_parts['query'])) {
						$path .= '?' . $url_parts['query'];
					}
				}
				else {
					$path = '/';
				}

				$options['hooks']->dispatch( 'fsockopen.remote_host_path', array( &$path, $url ) );
				$out = $options['type'] . " $path HTTP/1.0\r\n";

				if (is_array($data)) {
					$request_body = http_build_query($data, null, '&');
				}
				else {
					$request_body = $data;
				}
				if (empty($headers['Content-Length'])) {
					$headers['Content-Length'] = strlen($request_body);
				}
				if (empty($headers['Content-Type'])) {
					$headers['Content-Type'] = 'application/x-www-form-urlencoded; charset=UTF-8';
				}
				break;
			case Requests::HEAD:
			case Requests::GET:
			case Requests::DELETE:
				$path = self::format_get($url_parts, $data);
				$options['hooks']->dispatch('fsockopen.remote_host_path', array(&$path, $url));
				$out = $options['type'] . " $path HTTP/1.0\r\n";
				break;
		}
		$out .= "Host: {$url_parts['host']}";

		if ($url_parts['port'] !== 80) {
			$out .= ":{$url_parts['port']}";
		}
		$out .= "\r\n";

		$out .= "User-Agent: {$options['useragent']}\r\n";
		$accept_encoding = $this->accept_encoding();
		if (!empty($accept_encoding)) {
			$out .= "Accept-Encoding: $accept_encoding\r\n";
		}

		$headers = Requests::flatten($headers);

		if (!empty($headers)) {
			$out .= implode($headers, "\r\n") . "\r\n";
		}

		$options['hooks']->dispatch('fsockopen.after_headers', array(&$out));

		if (substr($out, -2) !== "\r\n") {
			$out .= "\r\n";
		}

		$out .= "Connection: Close\r\n\r\n" . $request_body;

		$options['hooks']->dispatch('fsockopen.before_send', array(&$out));

		fwrite($fp, $out);
		$options['hooks']->dispatch('fsockopen.after_send', array(&$fake_headers));

		if (!$options['blocking']) {
			fclose($fp);
			$fake_headers = '';
			$options['hooks']->dispatch('fsockopen.after_request', array(&$fake_headers));
			return '';
		}
		stream_set_timeout($fp, $options['timeout']);

		$this->info = stream_get_meta_data($fp);

		$this->headers = '';
		$this->info = stream_get_meta_data($fp);
		if (!$options['filename']) {
			while (!feof($fp)) {
				$this->info = stream_get_meta_data($fp);
				if ($this->info['timed_out']) {
					throw new Requests_Exception('fsocket timed out', 'timeout');
				}

				$this->headers .= fread($fp, 1160);
			}
		}
		else {
			$download = fopen($options['filename'], 'wb');
			$doingbody = false;
			$response = '';
			while (!feof($fp)) {
				$this->info = stream_get_meta_data($fp);
				if ($this->info['timed_out']) {
					throw new Requests_Exception('fsocket timed out', 'timeout');
				}

				$block = fread($fp, 1160);
				if ($doingbody) {
					fwrite($download, $block);
				}
				else {
					$response .= $block;
					if (strpos($response, "\r\n\r\n")) {
						list($this->headers, $block) = explode("\r\n\r\n", $response, 2);
						$doingbody = true;
						fwrite($download, $block);
					}
				}
			}
			fclose($download);
		}
		fclose($fp);

		$options['hooks']->dispatch('fsockopen.after_request', array(&$this->headers));
		return $this->headers;
	}

	/**
	 * Send multiple requests simultaneously
	 *
	 * @param array $requests Request data (array of 'url', 'headers', 'data', 'options') as per {@see Requests_Transport::request}
	 * @param array $options Global options, see {@see Requests::response()} for documentation
	 * @return array Array of Requests_Response objects (may contain Requests_Exception or string responses as well)
	 */
	public function request_multiple($requests, $options) {
		$responses = array();
		$class = get_class($this);
		foreach ($requests as $id => $request) {
			try {
				$handler = new $class();
				$responses[$id] = $handler->request($request['url'], $request['headers'], $request['data'], $request['options']);

				$request['options']['hooks']->dispatch('transport.internal.parse_response', array(&$responses[$id], $request));
			}
			catch (Requests_Exception $e) {
				$responses[$id] = $e;
			}

			if (!is_string($responses[$id])) {
				$request['options']['hooks']->dispatch('multiple.request.complete', array(&$responses[$id], $id));
			}
		}

		return $responses;
	}

	/**
	 * Retrieve the encodings we can accept
	 *
	 * @return string Accept-Encoding header value
	 */
	protected static function accept_encoding() {
		$type = array();
		if (function_exists('gzinflate')) {
			$type[] = 'deflate;q=1.0';
		}

		if (function_exists('gzuncompress')) {
			$type[] = 'compress;q=0.5';
		}

		$type[] = 'gzip;q=0.5';

		return implode(', ', $type);
	}

	/**
	 * Format a URL given GET data
	 *
	 * @param array $url_parts
	 * @param array|object $data Data to build query using, see {@see http://php.net/http_build_query}
	 * @return string URL with data
	 */
	protected static function format_get($url_parts, $data) {
		if (!empty($data)) {
			if (empty($url_parts['query']))
				$url_parts['query'] = '';

			$url_parts['query'] .= '&' . http_build_query($data, null, '&');
			$url_parts['query'] = trim($url_parts['query'], '&');
		}
		if (isset($url_parts['path'])) {
			if (isset($url_parts['query'])) {
				$get = $url_parts['path'] . '?' . $url_parts['query'];
			}
			else {
				$get = $url_parts['path'];
			}
		}
		else {
			$get = '/';
		}
		return $get;
	}

	/**
	 * Error handler for stream_socket_client()
	 *
	 * @param int $errno Error number (e.g. E_WARNING)
	 * @param string $errstr Error message
	 */
	public function connect_error_handler($errno, $errstr) {
		// Double-check we can handle it
		if (($errno & E_WARNING) === 0 && ($errno & E_NOTICE) === 0) {
			// Return false to indicate the default error handler should engage
			return false;
		}

		$this->connect_error .= $errstr . "\n";
		return true;
	}

	/**
	 * Verify the certificate against common name and subject alternative names
	 *
	 * Unfortunately, PHP doesn't check the certificate against the alternative
	 * names, leading things like 'https://www.github.com/' to be invalid.
	 * Instead
	 *
	 * @see http://tools.ietf.org/html/rfc2818#section-3.1 RFC2818, Section 3.1
	 *
	 * @throws Requests_Exception On failure to connect via TLS (`fsockopen.ssl.connect_error`)
	 * @throws Requests_Exception On not obtaining a match for the host (`fsockopen.ssl.no_match`)
	 * @param string $host Host name to verify against
	 * @param resource $context Stream context
	 * @return bool
	 */
	public function verify_certificate_from_context($host, $context) {
		$meta = stream_context_get_options($context);

		// If we don't have SSL options, then we couldn't make the connection at
		// all
		if (empty($meta) || empty($meta['ssl']) || empty($meta['ssl']['peer_certificate'])) {
			throw new Requests_Exception(rtrim($this->connect_error), 'ssl.connect_error');
		}

		$cert = openssl_x509_parse($meta['ssl']['peer_certificate']);

		return Requests_SSL::verify_certificate($host, $cert);
	}

	/**
	 * Whether this transport is valid
	 *
	 * @codeCoverageIgnore
	 * @return boolean True if the transport is valid, false otherwise.
	 */
	public static function test($capabilities = array()) {
		if (!function_exists('fsockopen'))
			return false;

		// If needed, check that streams support SSL
		if (isset( $capabilities['ssl'] ) && $capabilities['ssl']) {
			if (!extension_loaded('openssl') || !function_exists('openssl_x509_parse'))
				return false;

			// Currently broken, thanks to https://github.com/facebook/hhvm/issues/2156
			if (defined('HHVM_VERSION'))
				return false;
		}

		return true;
	}
}
<?php
/**
 * Case-insensitive dictionary, suitable for HTTP headers
 *
 * @package Requests
 * @subpackage Utilities
 */

/**
 * Case-insensitive dictionary, suitable for HTTP headers
 *
 * @package Requests
 * @subpackage Utilities
 */
class Requests_Utility_CaseInsensitiveDictionary implements ArrayAccess, IteratorAggregate {
	/**
	 * Actual item data
	 *
	 * @var array
	 */
	protected $data = array();

	/**
	 * Check if the given item exists
	 *
	 * @param string $key Item key
	 * @return boolean Does the item exist?
	 */
	public function offsetExists($key) {
		$key = strtolower($key);
		return isset($this->data[$key]);
	}

	/**
	 * Get the value for the item
	 *
	 * @param string $key Item key
	 * @return string Item value
	 */
	public function offsetGet($key) {
		$key = strtolower($key);
		if (!isset($this->data[$key]))
			return null;

		return $this->data[$key];
	}

	/**
	 * Set the given item
	 *
	 * @throws Requests_Exception On attempting to use dictionary as list (`invalidset`)
	 *
	 * @param string $key Item name
	 * @param string $value Item value
	 */
	public function offsetSet($key, $value) {
		if ($key === null) {
			throw new Requests_Exception('Object is a dictionary, not a list', 'invalidset');
		}

		$key = strtolower($key);
		$this->data[$key] = $value;
	}

	/**
	 * Unset the given header
	 *
	 * @param string $key
	 */
	public function offsetUnset($key) {
		unset($this->data[strtolower($key)]);
	}

	/**
	 * Get an iterator for the data
	 *
	 * @return ArrayIterator
	 */
	public function getIterator() {
		return new ArrayIterator($this->data);
	}

	/**
	 * Get the headers as an array
	 *
	 * @return array Header data
	 */
	public function getAll() {
		return $this->data;
	}
}
<?php
/**
 * Iterator for arrays requiring filtered values
 *
 * @package Requests
 * @subpackage Utilities
 */

/**
 * Iterator for arrays requiring filtered values
 *
 * @package Requests
 * @subpackage Utilities
 */
class Requests_Utility_FilteredIterator extends ArrayIterator {
	/**
	 * Create a new iterator
	 *
	 * @param array $data
	 * @param callable $callback Callback to be called on each value
	 */
	public function __construct($data, $callback) {
		parent::__construct($data);

		$this->callback = $callback;
	}

	/**
	 * Get the current item's value after filtering
	 *
	 * @return string
	 */
	public function current() {
		$value = parent::current();
		$value = call_user_func($this->callback, $value);
		return $value;
	}
}
<?php

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    'PHP_Token_STATIC' => $vendorDir . '/phpunit/php-token-stream/PHP/Token.php',
    'PHP_Token_STRING' => $vendorDir . '/phpunit/php-token-stream/PHP/Token.php',
    'PHP_Token_STRING_CAST' => $vendorDir . '/phpunit/php-token-stream/PHP/Token.php',
    'PHP_Token_STRING_VARNAME' => $vendorDir . '/phpunit/php-token-stream/PHP/Token.php',
    'PHP_Token_SWITCH' => $vendorDir . '/phpunit/php-token-stream/PHP/Token.php',
    'PHP_Token_Stream' => $vendorDir . '/phpunit/php-token-stream/PHP/Token/Stream.php',
    'PHP_Token_Stream_CachingFactory' => $vendorDir . '/phpunit/php-token-stream/PHP/Token/Stream/CachingFactory.php',
    'PHP_Token_THROW' => $vendorDir . '/phpunit/php-token-stream/PHP/Token.php',
    'PHP_Token_TILDE' => $vendorDir . '/phpunit/php-token-stream/PHP/Token.php',
    'PHP_Token_TRAIT' => $vendorDir . '/phpunit/php-token-stream/PHP/Token.php',
    'PHP_Token_TRAIT_C' => $vendorDir . '/phpunit/php-token-stream/PHP/Token.php',
    'PHP_Token_TRY' => $vendorDir . '/phpunit/php-token-stream/PHP/Token.php',
    'PHP_Token_UNSET' => $vendorDir . '/phpunit/php-token-stream/PHP/Token.php',
    'PHP_Token_UNSET_CAST' => $vendorDir . '/phpunit/php-token-stream/PHP/Token.php',
    'PHP_Token_USE' => $vendorDir . '/phpunit/php-token-stream/PHP/Token.php',
    'PHP_Token_VAR' => $vendorDir . '/phpunit/php-token-stream/PHP/Token.php',
    'PHP_Token_VARIABLE' => $vendorDir . '/phpunit/php-token-stream/PHP/Token.php',
    'PHP_Token_WHILE' => $vendorDir . '/phpunit/php-token-stream/PHP/Token.php',
    'PHP_Token_WHITESPACE' => $vendorDir . '/phpunit/php-token-stream/PHP/Token.php',
    'PHP_Token_XOR_EQUAL' => $vendorDir . '/phpunit/php-token-stream/PHP/Token.php',
    'PHP_Token_YIELD' => $vendorDir . '/phpunit/php-token-stream/PHP/Token.php',
    'Text_Template' => $vendorDir . '/phpunit/php-text-template/src/Template.php',
    'WP_Export_Base_Writer' => $baseDir . '/php/export/writers.php',
    'WP_Export_Exception' => $baseDir . '/php/export/class-wp-export-query.php',
    'WP_Export_File_Writer' => $baseDir . '/php/export/writers.php',
    'WP_Export_Oxymel' => $baseDir . '/php/export/class-wp-export-oxymel.php',
    'WP_Export_Query' => $baseDir . '/php/export/class-wp-export-query.php',
    'WP_Export_Returner' => $baseDir . '/php/export/writers.php',
    'WP_Export_Split_Files_Writer' => $baseDir . '/php/export/writers.php',
    'WP_Export_Term_Exception' => $baseDir . '/php/export/class-wp-export-query.php',
    'WP_Export_WXR_Formatter' => $baseDir . '/php/export/class-wp-export-wxr-formatter.php',
    'WP_Export_XML_Over_HTTP' => $baseDir . '/php/export/writers.php',
    'WP_Iterator_Exception' => $baseDir . '/php/export/iterators.php',
    'WP_Map_Iterator' => $baseDir . '/php/export/iterators.php',
    'WP_Post_IDs_Iterator' => $baseDir . '/php/export/iterators.php',
);
<?php

// include_paths.php @generated by Composer

$vendorDir = dirname(dirname(__FILE__));
$baseDir = dirname($vendorDir);

return array(
    $vendorDir . '/phpunit/phpunit-mock-objects',
    $vendorDir . '/phpunit/php-token-stream',
    $vendorDir . '/phpunit/php-code-coverage',
    $vendorDir . '/phpunit/phpunit',
    $vendorDir . '/symfony/yaml',
);
<?php

// autoload_files.php @generated by Composer

$vendorDir = dirname(dirname(__FILE__));
$baseDir = dirname($vendorDir);

return array(
    $vendorDir . '/ramsey/array_column/src/array_column.php',
    $vendorDir . '/mustangostang/spyc/Spyc.php',
    $vendorDir . '/wp-cli/php-cli-tools/lib/cli/cli.php',
);
<?php

// autoload_real.php @generated by Composer

class ComposerAutoloaderInit675287e1dbacd27bbfb1e3e9e0740a37
{
    private static $loader;

    public static function loadClassLoader($class)
    {
        if ('Composer\Autoload\ClassLoader' === $class) {
            require __DIR__ . '/ClassLoader.php';
        }
    }

    public static function getLoader()
    {
        if (null !== self::$loader) {
            return self::$loader;
        }

        spl_autoload_register(array('ComposerAutoloaderInit675287e1dbacd27bbfb1e3e9e0740a37', 'loadClassLoader'), true, true);
        self::$loader = $loader = new \Composer\Autoload\ClassLoader();
        spl_autoload_unregister(array('ComposerAutoloaderInit675287e1dbacd27bbfb1e3e9e0740a37', 'loadClassLoader'));

        $includePaths = require __DIR__ . '/include_paths.php';
        array_push($includePaths, get_include_path());
        set_include_path(join(PATH_SEPARATOR, $includePaths));

        $map = require __DIR__ . '/autoload_namespaces.php';
        foreach ($map as $namespace => $path) {
            $loader->set($namespace, $path);
        }

        $map = require __DIR__ . '/autoload_psr4.php';
        foreach ($map as $namespace => $path) {
            $loader->setPsr4($namespace, $path);
        }

        $classMap = require __DIR__ . '/autoload_classmap.php';
        if ($classMap) {
            $loader->addClassMap($classMap);
        }

        $loader->register(true);

        $includeFiles = require __DIR__ . '/autoload_files.php';
        foreach ($includeFiles as $file) {
            composerRequire675287e1dbacd27bbfb1e3e9e0740a37($file);
        }

        return $loader;
    }
}

function composerRequire675287e1dbacd27bbfb1e3e9e0740a37($file)
{
    require $file;
}
<?php

/*
 * This file is part of Composer.
 *
 * (c) Nils Adermann <naderman@naderman.de>
 *     Jordi Boggiano <j.boggiano@seld.be>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Composer\Autoload;

/**
 * ClassLoader implements a PSR-0 class loader
 *
 * See https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-0.md
 *
 *     $loader = new \Composer\Autoload\ClassLoader();
 *
 *     // register classes with namespaces
 *     $loader->add('Symfony\Component', __DIR__.'/component');
 *     $loader->add('Symfony',           __DIR__.'/framework');
 *
 *     // activate the autoloader
 *     $loader->register();
 *
 *     // to enable searching the include path (eg. for PEAR packages)
 *     $loader->setUseIncludePath(true);
 *
 * In this example, if you try to use a class in the Symfony\Component
 * namespace or one of its children (Symfony\Component\Console for instance),
 * the autoloader will first look for the class under the component/
 * directory, and it will then fallback to the framework/ directory if not
 * found before giving up.
 *
 * This class is loosely based on the Symfony UniversalClassLoader.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class ClassLoader
{
    // PSR-4
    private $prefixLengthsPsr4 = array();
    private $prefixDirsPsr4 = array();
    private $fallbackDirsPsr4 = array();

    // PSR-0
    private $prefixesPsr0 = array();
    private $fallbackDirsPsr0 = array();

    private $useIncludePath = false;
    private $classMap = array();

    private $classMapAuthoritative = false;

    public function getPrefixes()
    {
        if (!empty($this->prefixesPsr0)) {
            return call_user_func_array('array_merge', $this->prefixesPsr0);
        }

        return array();
    }

    public function getPrefixesPsr4()
    {
        return $this->prefixDirsPsr4;
    }

    public function getFallbackDirs()
    {
        return $this->fallbackDirsPsr0;
    }

    public function getFallbackDirsPsr4()
    {
        return $this->fallbackDirsPsr4;
    }

    public function getClassMap()
    {
        return $this->classMap;
    }

    /**
     * @param array $classMap Class to filename map
     */
    public function addClassMap(array $classMap)
    {
        if ($this->classMap) {
            $this->classMap = array_merge($this->classMap, $classMap);
        } else {
            $this->classMap = $classMap;
        }
    }

    /**
     * Registers a set of PSR-0 directories for a given prefix, either
     * appending or prepending to the ones previously set for this prefix.
     *
     * @param string       $prefix  The prefix
     * @param array|string $paths   The PSR-0 root directories
     * @param bool         $prepend Whether to prepend the directories
     */
    public function add($prefix, $paths, $prepend = false)
    {
        if (!$prefix) {
            if ($prepend) {
                $this->fallbackDirsPsr0 = array_merge(
                    (array) $paths,
                    $this->fallbackDirsPsr0
                );
            } else {
                $this->fallbackDirsPsr0 = array_merge(
                    $this->fallbackDirsPsr0,
                    (array) $paths
                );
            }

            return;
        }

        $first = $prefix[0];
        if (!isset($this->prefixesPsr0[$first][$prefix])) {
            $this->prefixesPsr0[$first][$prefix] = (array) $paths;

            return;
        }
        if ($prepend) {
            $this->prefixesPsr0[$first][$prefix] = array_merge(
                (array) $paths,
                $this->prefixesPsr0[$first][$prefix]
            );
        } else {
            $this->prefixesPsr0[$first][$prefix] = array_merge(
                $this->prefixesPsr0[$first][$prefix],
                (array) $paths
            );
        }
    }

    /**
     * Registers a set of PSR-4 directories for a given namespace, either
     * appending or prepending to the ones previously set for this namespace.
     *
     * @param string       $prefix  The prefix/namespace, with trailing '\\'
     * @param array|string $paths   The PSR-0 base directories
     * @param bool         $prepend Whether to prepend the directories
     *
     * @throws \InvalidArgumentException
     */
    public function addPsr4($prefix, $paths, $prepend = false)
    {
        if (!$prefix) {
            // Register directories for the root namespace.
            if ($prepend) {
                $this->fallbackDirsPsr4 = array_merge(
                    (array) $paths,
                    $this->fallbackDirsPsr4
                );
            } else {
                $this->fallbackDirsPsr4 = array_merge(
                    $this->fallbackDirsPsr4,
                    (array) $paths
                );
            }
        } elseif (!isset($this->prefixDirsPsr4[$prefix])) {
            // Register directories for a new namespace.
            $length = strlen($prefix);
            if ('\\' !== $prefix[$length - 1]) {
                throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
            }
            $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
            $this->prefixDirsPsr4[$prefix] = (array) $paths;
        } elseif ($prepend) {
            // Prepend directories for an already registered namespace.
            $this->prefixDirsPsr4[$prefix] = array_merge(
                (array) $paths,
                $this->prefixDirsPsr4[$prefix]
            );
        } else {
            // Append directories for an already registered namespace.
            $this->prefixDirsPsr4[$prefix] = array_merge(
                $this->prefixDirsPsr4[$prefix],
                (array) $paths
            );
        }
    }

    /**
     * Registers a set of PSR-0 directories for a given prefix,
     * replacing any others previously set for this prefix.
     *
     * @param string       $prefix The prefix
     * @param array|string $paths  The PSR-0 base directories
     */
    public function set($prefix, $paths)
    {
        if (!$prefix) {
            $this->fallbackDirsPsr0 = (array) $paths;
        } else {
            $this->prefixesPsr0[$prefix[0]][$prefix] = (array) $paths;
        }
    }

    /**
     * Registers a set of PSR-4 directories for a given namespace,
     * replacing any others previously set for this namespace.
     *
     * @param string       $prefix The prefix/namespace, with trailing '\\'
     * @param array|string $paths  The PSR-4 base directories
     *
     * @throws \InvalidArgumentException
     */
    public function setPsr4($prefix, $paths)
    {
        if (!$prefix) {
            $this->fallbackDirsPsr4 = (array) $paths;
        } else {
            $length = strlen($prefix);
            if ('\\' !== $prefix[$length - 1]) {
                throw new \InvalidArgumentException("A non-empty PSR-4 prefix must end with a namespace separator.");
            }
            $this->prefixLengthsPsr4[$prefix[0]][$prefix] = $length;
            $this->prefixDirsPsr4[$prefix] = (array) $paths;
        }
    }

    /**
     * Turns on searching the include path for class files.
     *
     * @param bool $useIncludePath
     */
    public function setUseIncludePath($useIncludePath)
    {
        $this->useIncludePath = $useIncludePath;
    }

    /**
     * Can be used to check if the autoloader uses the include path to check
     * for classes.
     *
     * @return bool
     */
    public function getUseIncludePath()
    {
        return $this->useIncludePath;
    }

    /**
     * Turns off searching the prefix and fallback directories for classes
     * that have not been registered with the class map.
     *
     * @param bool $classMapAuthoritative
     */
    public function setClassMapAuthoritative($classMapAuthoritative)
    {
        $this->classMapAuthoritative = $classMapAuthoritative;
    }

    /**
     * Should class lookup fail if not found in the current class map?
     *
     * @return bool
     */
    public function isClassMapAuthoritative()
    {
        return $this->classMapAuthoritative;
    }

    /**
     * Registers this instance as an autoloader.
     *
     * @param bool $prepend Whether to prepend the autoloader or not
     */
    public function register($prepend = false)
    {
        spl_autoload_register(array($this, 'loadClass'), true, $prepend);
    }

    /**
     * Unregisters this instance as an autoloader.
     */
    public function unregister()
    {
        spl_autoload_unregister(array($this, 'loadClass'));
    }

    /**
     * Loads the given class or interface.
     *
     * @param  string    $class The name of the class
     * @return bool|null True if loaded, null otherwise
     */
    public function loadClass($class)
    {
        if ($file = $this->findFile($class)) {
            includeFile($file);

            return true;
        }
    }

    /**
     * Finds the path to the file where the class is defined.
     *
     * @param string $class The name of the class
     *
     * @return string|false The path if found, false otherwise
     */
    public function findFile($class)
    {
        // work around for PHP 5.3.0 - 5.3.2 https://bugs.php.net/50731
        if ('\\' == $class[0]) {
            $class = substr($class, 1);
        }

        // class map lookup
        if (isset($this->classMap[$class])) {
            return $this->classMap[$class];
        }
        if ($this->classMapAuthoritative) {
            return false;
        }

        $file = $this->findFileWithExtension($class, '.php');

        // Search for Hack files if we are running on HHVM
        if ($file === null && defined('HHVM_VERSION')) {
            $file = $this->findFileWithExtension($class, '.hh');
        }

        if ($file === null) {
            // Remember that this class does not exist.
            return $this->classMap[$class] = false;
        }

        return $file;
    }

    private function findFileWithExtension($class, $ext)
    {
        // PSR-4 lookup
        $logicalPathPsr4 = strtr($class, '\\', DIRECTORY_SEPARATOR) . $ext;

        $first = $class[0];
        if (isset($this->prefixLengthsPsr4[$first])) {
            foreach ($this->prefixLengthsPsr4[$first] as $prefix => $length) {
                if (0 === strpos($class, $prefix)) {
                    foreach ($this->prefixDirsPsr4[$prefix] as $dir) {
                        if (file_exists($file = $dir . DIRECTORY_SEPARATOR . substr($logicalPathPsr4, $length))) {
                            return $file;
                        }
                    }
                }
            }
        }

        // PSR-4 fallback dirs
        foreach ($this->fallbackDirsPsr4 as $dir) {
            if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr4)) {
                return $file;
            }
        }

        // PSR-0 lookup
        if (false !== $pos = strrpos($class, '\\')) {
            // namespaced class name
            $logicalPathPsr0 = substr($logicalPathPsr4, 0, $pos + 1)
                . strtr(substr($logicalPathPsr4, $pos + 1), '_', DIRECTORY_SEPARATOR);
        } else {
            // PEAR-like class name
            $logicalPathPsr0 = strtr($class, '_', DIRECTORY_SEPARATOR) . $ext;
        }

        if (isset($this->prefixesPsr0[$first])) {
            foreach ($this->prefixesPsr0[$first] as $prefix => $dirs) {
                if (0 === strpos($class, $prefix)) {
                    foreach ($dirs as $dir) {
                        if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) {
                            return $file;
                        }
                    }
                }
            }
        }

        // PSR-0 fallback dirs
        foreach ($this->fallbackDirsPsr0 as $dir) {
            if (file_exists($file = $dir . DIRECTORY_SEPARATOR . $logicalPathPsr0)) {
                return $file;
            }
        }

        // PSR-0 include paths.
        if ($this->useIncludePath && $file = stream_resolve_include_path($logicalPathPsr0)) {
            return $file;
        }
    }
}

/**
 * Scope isolated include.
 *
 * Prevents access to $this/self from included files.
 */
function includeFile($file)
{
    include $file;
}
<?php

/*
 * This file is part of composer/semver.
 *
 * (c) Composer <https://github.com/composer>
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace Composer\Semver;

use Composer\Semver\Constraint\Constraint;

class Comparator
{
    /**
     * Evaluates the expression: $version1 > $version2.
     *
     * @param string $version1
     * @param string $version2
     *
     * @return bool
     */
    public static function greaterThan($version1, $version2)
    {
        return self::compare($version1, '>', $version2);
    }

    /**
     * Evaluates the expression: $version1 >= $version2.
     *
     * @param string $version1
     * @param string $version2
     *
     * @return bool
     */
    public static function greaterThanOrEqualTo($version1, $version2)
    {
        return self::compare($version1, '>=', $version2);
    }

    /**
     * Evaluates the expression: $version1 < $version2.
     *
     * @param string $version1
     * @param string $version2
     *
     * @return bool
     */
    public static function lessThan($version1, $version2)
    {
        return self::compare($version1, '<', $version2);
    }

    /**
     * Evaluates the expression: $version1 <= $version2.
     *
     * @param string $version1
     * @param string $version2
     *
     * @return bool
     */
    public static function lessThanOrEqualTo($version1, $version2)
    {
        return self::compare($version1, '<=', $version2);
    }

    /**
     * Evaluates the expression: $version1 == $version2.
     *
     * @param string $version1
     * @param string $version2
     *
     * @return bool
     */
    public static function equalTo($version1, $version2)
    {
        return self::compare($version1, '==', $version2);
    }

    /**
     * Evaluates the expression: $version1 != $version2.
     *
     * @param string $version1
     * @param string $version2
     *
     * @return bool
     */
    public static function notEqualTo($version1, $version2)
    {
        return self::compare($version1, '!=', $version2);
    }

    /**
     * Evaluates the expression: $version1 $operator $version2.
     *
     * @param string $version1
     * @param string $operator
     * @param string $version2
     *
     * @return bool
     */
    public static function compare($version1, $operator, $version2)
    {
        $constraint = new Constraint($operator, $version2);

        return $constraint->matches(new Constraint('==', $version1));
    }
}
<?php

/*
 * This file is part of composer/semver.
 *
 * (c) Composer <https://github.com/composer>
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace Composer\Semver\Constraint;

/**
 * Base constraint class.
 */
abstract class AbstractConstraint implements ConstraintInterface
{
    /** @var string */
    protected $prettyString;

    /**
     * @param ConstraintInterface $provider
     *
     * @return bool
     */
    public function matches(ConstraintInterface $provider)
    {
        if ($provider instanceof MultiConstraint) {
            // turn matching around to find a match
            return $provider->matches($this);
        }

        if ($provider instanceof $this) {
            // see note at bottom of this class declaration
            return $this->matchSpecific($provider);
        }

        return true;
    }

    /**
     * @param string $prettyString
     */
    public function setPrettyString($prettyString)
    {
        $this->prettyString = $prettyString;
    }

    /**
     * @return string
     */
    public function getPrettyString()
    {
        if ($this->prettyString) {
            return $this->prettyString;
        }

        return $this->__toString();
    }

    // implementations must implement a method of this format:
    // not declared abstract here because type hinting violates parameter coherence (TODO right word?)
    // public function matchSpecific(<SpecificConstraintType> $provider);
}
<?php

/*
 * This file is part of composer/semver.
 *
 * (c) Composer <https://github.com/composer>
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace Composer\Semver\Constraint;

/**
 * Defines a constraint.
 */
class Constraint extends AbstractConstraint
{
    /* operator integer values */
    const OP_EQ = 0;
    const OP_LT = 1;
    const OP_LE = 2;
    const OP_GT = 3;
    const OP_GE = 4;
    const OP_NE = 5;

    /**
     * Operator to integer translation table.
     *
     * @var array
     */
    private static $transOpStr = array(
        '=' => self::OP_EQ,
        '==' => self::OP_EQ,
        '<' => self::OP_LT,
        '<=' => self::OP_LE,
        '>' => self::OP_GT,
        '>=' => self::OP_GE,
        '<>' => self::OP_NE,
        '!=' => self::OP_NE,
    );

    /**
     * Integer to operator translation table.
     *
     * @var array
     */
    private static $transOpInt = array(
        self::OP_EQ => '==',
        self::OP_LT => '<',
        self::OP_LE => '<=',
        self::OP_GT => '>',
        self::OP_GE => '>=',
        self::OP_NE => '!=',
    );

    /** @var string */
    private $operator;

    /** @var string */
    private $version;

    /**
     * Get all supported comparison operators.
     *
     * @return array
     */
    public static function getSupportedOperators()
    {
        return array_keys(self::$transOpStr);
    }

    /**
     * Sets operator and version to compare with.
     *
     * @param string $operator
     * @param string $version
     *
     * @throws \InvalidArgumentException if invalid operator is given.
     */
    public function __construct($operator, $version)
    {
        if (!isset(self::$transOpStr[$operator])) {
            throw new \InvalidArgumentException(sprintf(
                'Invalid operator "%s" given, expected one of: %s',
                $operator,
                implode(', ', self::getSupportedOperators())
            ));
        }

        $this->operator = self::$transOpStr[$operator];
        $this->version = $version;
    }

    /**
     * @param string $a
     * @param string $b
     * @param string $operator
     * @param bool $compareBranches
     *
     * @throws \InvalidArgumentException if invalid operator is given.
     *
     * @return bool
     */
    public function versionCompare($a, $b, $operator, $compareBranches = false)
    {
        if (!isset(self::$transOpStr[$operator])) {
            throw new \InvalidArgumentException(sprintf(
                'Invalid operator "%s" given, expected one of: %s',
                $operator,
                implode(', ', self::getSupportedOperators())
            ));
        }

        $aIsBranch = 'dev-' === substr($a, 0, 4);
        $bIsBranch = 'dev-' === substr($b, 0, 4);

        if ($aIsBranch && $bIsBranch) {
            return $operator === '==' && $a === $b;
        }

        // when branches are not comparable, we make sure dev branches never match anything
        if (!$compareBranches && ($aIsBranch || $bIsBranch)) {
            return false;
        }

        return version_compare($a, $b, $operator);
    }

    /**
     * @param Constraint $provider
     * @param bool $compareBranches
     *
     * @return bool
     */
    public function matchSpecific(Constraint $provider, $compareBranches = false)
    {
        $noEqualOp = str_replace('=', '', self::$transOpInt[$this->operator]);
        $providerNoEqualOp = str_replace('=', '', self::$transOpInt[$provider->operator]);

        $isEqualOp = self::OP_EQ === $this->operator;
        $isNonEqualOp = self::OP_NE === $this->operator;
        $isProviderEqualOp = self::OP_EQ === $provider->operator;
        $isProviderNonEqualOp = self::OP_NE === $provider->operator;

        // '!=' operator is match when other operator is not '==' operator or version is not match
        // these kinds of comparisons always have a solution
        if ($isNonEqualOp || $isProviderNonEqualOp) {
            return !$isEqualOp && !$isProviderEqualOp
                || $this->versionCompare($provider->version, $this->version, '!=', $compareBranches);
        }

        // an example for the condition is <= 2.0 & < 1.0
        // these kinds of comparisons always have a solution
        if ($this->operator !== self::OP_EQ && $noEqualOp === $providerNoEqualOp) {
            return true;
        }

        if ($this->versionCompare($provider->version, $this->version, self::$transOpInt[$this->operator], $compareBranches)) {
            // special case, e.g. require >= 1.0 and provide < 1.0
            // 1.0 >= 1.0 but 1.0 is outside of the provided interval
            if ($provider->version === $this->version
                && self::$transOpInt[$provider->operator] === $providerNoEqualOp
                && self::$transOpInt[$this->operator] !== $noEqualOp) {
                return false;
            }

            return true;
        }

        return false;
    }

    /**
     * @return string
     */
    public function __toString()
    {
        return self::$transOpInt[$this->operator] . ' ' . $this->version;
    }
}
<?php

/*
 * This file is part of composer/semver.
 *
 * (c) Composer <https://github.com/composer>
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace Composer\Semver\Constraint;

interface ConstraintInterface
{
    /**
     * @param ConstraintInterface $provider
     *
     * @return bool
     */
    public function matches(ConstraintInterface $provider);

    /**
     * @param string $prettyString
     */
    public function setPrettyString($prettyString);

    /**
     * @return string
     */
    public function getPrettyString();

    /**
     * @return string
     */
    public function __toString();
}
<?php

/*
 * This file is part of composer/semver.
 *
 * (c) Composer <https://github.com/composer>
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace Composer\Semver\Constraint;

/**
 * Defines the absence of a constraint.
 */
class EmptyConstraint implements ConstraintInterface
{
    /** @var string */
    protected $prettyString;

    /**
     * @param ConstraintInterface $provider
     *
     * @return bool
     */
    public function matches(ConstraintInterface $provider)
    {
        return true;
    }

    /**
     * @param $prettyString
     */
    public function setPrettyString($prettyString)
    {
        $this->prettyString = $prettyString;
    }

    /**
     * @return string
     */
    public function getPrettyString()
    {
        if ($this->prettyString) {
            return $this->prettyString;
        }

        return $this->__toString();
    }

    /**
     * @return string
     */
    public function __toString()
    {
        return '[]';
    }
}
<?php

/*
 * This file is part of composer/semver.
 *
 * (c) Composer <https://github.com/composer>
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace Composer\Semver\Constraint;

/**
 * Defines a conjunctive or disjunctive set of constraints.
 */
class MultiConstraint implements ConstraintInterface
{
    /** @var ConstraintInterface[] */
    protected $constraints;

    /** @var string */
    protected $prettyString;

    /** @var bool */
    protected $conjunctive;

    /**
     * @param ConstraintInterface[] $constraints A set of constraints
     * @param bool $conjunctive Whether the constraints should be treated as conjunctive or disjunctive
     */
    public function __construct(array $constraints, $conjunctive = true)
    {
        $this->constraints = $constraints;
        $this->conjunctive = $conjunctive;
    }

    /**
     * @param ConstraintInterface $provider
     *
     * @return bool
     */
    public function matches(ConstraintInterface $provider)
    {
        if (false === $this->conjunctive) {
            foreach ($this->constraints as $constraint) {
                if ($constraint->matches($provider)) {
                    return true;
                }
            }

            return false;
        }

        foreach ($this->constraints as $constraint) {
            if (!$constraint->matches($provider)) {
                return false;
            }
        }

        return true;
    }

    /**
     * @param string $prettyString
     */
    public function setPrettyString($prettyString)
    {
        $this->prettyString = $prettyString;
    }

    /**
     * @return string
     */
    public function getPrettyString()
    {
        if ($this->prettyString) {
            return $this->prettyString;
        }

        return $this->__toString();
    }

    /**
     * @return string
     */
    public function __toString()
    {
        $constraints = array();
        foreach ($this->constraints as $constraint) {
            $constraints[] = (string) $constraint;
        }

        return '[' . implode($this->conjunctive ? ' ' : ' || ', $constraints) . ']';
    }
}
<?php

/*
 * This file is part of composer/semver.
 *
 * (c) Composer <https://github.com/composer>
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace Composer\Semver;

use Composer\Semver\Constraint\Constraint;

class Semver
{
    const SORT_ASC = 1;
    const SORT_DESC = -1;

    /** @var VersionParser */
    private static $versionParser;

    /**
     * Determine if given version satisfies given constraints.
     *
     * @param string $version
     * @param string $constraints
     *
     * @return bool
     */
    public static function satisfies($version, $constraints)
    {
        if (null === self::$versionParser) {
            self::$versionParser = new VersionParser();
        }

        $versionParser = self::$versionParser;
        $provider = new Constraint('==', $versionParser->normalize($version));
        $constraints = $versionParser->parseConstraints($constraints);

        return $constraints->matches($provider);
    }

    /**
     * Return all versions that satisfy given constraints.
     *
     * @param array $versions
     * @param string $constraints
     *
     * @return array
     */
    public static function satisfiedBy(array $versions, $constraints)
    {
        $versions = array_filter($versions, function ($version) use ($constraints) {
            return Semver::satisfies($version, $constraints);
        });

        return array_values($versions);
    }

    /**
     * Sort given array of versions.
     *
     * @param array $versions
     *
     * @return array
     */
    public static function sort(array $versions)
    {
        return self::usort($versions, self::SORT_ASC);
    }

    /**
     * Sort given array of versions in reverse.
     *
     * @param array $versions
     *
     * @return array
     */
    public static function rsort(array $versions)
    {
        return self::usort($versions, self::SORT_DESC);
    }

    /**
     * @param array $versions
     * @param int $direction
     *
     * @return array
     */
    private static function usort(array $versions, $direction)
    {
        if (null === self::$versionParser) {
            self::$versionParser = new VersionParser();
        }

        $versionParser = self::$versionParser;
        $normalized = array();

        // Normalize outside of usort() scope for minor performance increase.
        // Creates an array of arrays: [[normalized, key], ...]
        foreach ($versions as $key => $version) {
            $normalized[] = array($versionParser->normalize($version), $key);
        }

        usort($normalized, function (array $left, array $right) use ($direction) {
            if ($left[0] === $right[0]) {
                return 0;
            }

            if (Comparator::lessThan($left[0], $right[0])) {
                return -$direction;
            }

            return $direction;
        });

        // Recreate input array, using the original indexes which are now in sorted order.
        $sorted = array();
        foreach ($normalized as $item) {
            $sorted[] = $versions[$item[1]];
        }

        return $sorted;
    }
}
<?php

/*
 * This file is part of composer/semver.
 *
 * (c) Composer <https://github.com/composer>
 *
 * For the full copyright and license information, please view
 * the LICENSE file that was distributed with this source code.
 */

namespace Composer\Semver;

use Composer\Semver\Constraint\ConstraintInterface;
use Composer\Semver\Constraint\EmptyConstraint;
use Composer\Semver\Constraint\MultiConstraint;
use Composer\Semver\Constraint\Constraint;

/**
 * Version parser.
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
class VersionParser
{
    /** @var string */
    private static $modifierRegex = '[._-]?(?:(stable|beta|b|RC|alpha|a|patch|pl|p)(?:[.-]?(\d+))?)?([.-]?dev)?';

    /** @var array */
    private static $stabilities = array(
        'stable', 'RC', 'beta', 'alpha', 'dev',
    );

    /**
     * Returns the stability of a version.
     *
     * @param string $version
     *
     * @return string
     */
    public static function parseStability($version)
    {
        $version = preg_replace('{#.+$}i', '', $version);

        if ('dev-' === substr($version, 0, 4) || '-dev' === substr($version, -4)) {
            return 'dev';
        }

        preg_match('{' . self::$modifierRegex . '$}i', strtolower($version), $match);
        if (!empty($match[3])) {
            return 'dev';
        }

        if (!empty($match[1])) {
            if ('beta' === $match[1] || 'b' === $match[1]) {
                return 'beta';
            }
            if ('alpha' === $match[1] || 'a' === $match[1]) {
                return 'alpha';
            }
            if ('rc' === $match[1]) {
                return 'RC';
            }
        }

        return 'stable';
    }

    /**
     * @param string $stability
     *
     * @return string
     */
    public static function normalizeStability($stability)
    {
        $stability = strtolower($stability);

        return $stability === 'rc' ? 'RC' : $stability;
    }

    /**
     * Normalizes a version string to be able to perform comparisons on it.
     *
     * @param string $version
     * @param string $fullVersion optional complete version string to give more context
     *
     * @throws \UnexpectedValueException
     *
     * @return string
     */
    public function normalize($version, $fullVersion = null)
    {
        $version = trim($version);
        if (null === $fullVersion) {
            $fullVersion = $version;
        }

        // strip off aliasing
        if (preg_match('{^([^,\s]+) +as +([^,\s]+)$}', $version, $match)) {
            $version = $match[1];
        }

        // strip off build metadata
        if (preg_match('{^([^,\s+]+)\+[^\s]+$}', $version, $match)) {
            $version = $match[1];
        }

        // match master-like branches
        if (preg_match('{^(?:dev-)?(?:master|trunk|default)$}i', $version)) {
            return '9999999-dev';
        }

        if ('dev-' === strtolower(substr($version, 0, 4))) {
            return 'dev-' . substr($version, 4);
        }

        // match classical versioning
        if (preg_match('{^v?(\d{1,5})(\.\d+)?(\.\d+)?(\.\d+)?' . self::$modifierRegex . '$}i', $version, $matches)) {
            $version = $matches[1]
                . (!empty($matches[2]) ? $matches[2] : '.0')
                . (!empty($matches[3]) ? $matches[3] : '.0')
                . (!empty($matches[4]) ? $matches[4] : '.0');
            $index = 5;
        // match date(time) based versioning
        } elseif (preg_match('{^v?(\d{4}(?:[.:-]?\d{2}){1,6}(?:[.:-]?\d{1,3})?)' . self::$modifierRegex . '$}i', $version, $matches)) {
            $version = preg_replace('{\D}', '-', $matches[1]);
            $index = 2;
        }

        // add version modifiers if a version was matched
        if (isset($index)) {
            if (!empty($matches[$index])) {
                if ('stable' === $matches[$index]) {
                    return $version;
                }
                $version .= '-' . $this->expandStability($matches[$index]) . (!empty($matches[$index + 1]) ? $matches[$index + 1] : '');
            }

            if (!empty($matches[$index + 2])) {
                $version .= '-dev';
            }

            return $version;
        }

        // match dev branches
        if (preg_match('{(.*?)[.-]?dev$}i', $version, $match)) {
            try {
                return $this->normalizeBranch($match[1]);
            } catch (\Exception $e) {
            }
        }

        $extraMessage = '';
        if (preg_match('{ +as +' . preg_quote($version) . '$}', $fullVersion)) {
            $extraMessage = ' in "' . $fullVersion . '", the alias must be an exact version';
        } elseif (preg_match('{^' . preg_quote($version) . ' +as +}', $fullVersion)) {
            $extraMessage = ' in "' . $fullVersion . '", the alias source must be an exact version, if it is a branch name you should prefix it with dev-';
        }

        throw new \UnexpectedValueException('Invalid version string "' . $version . '"' . $extraMessage);
    }

    /**
     * Extract numeric prefix from alias, if it is in numeric format, suitable for version comparison.
     *
     * @param string $branch Branch name (e.g. 2.1.x-dev)
     *
     * @return string|false Numeric prefix if present (e.g. 2.1.) or false
     */
    public function parseNumericAliasPrefix($branch)
    {
        if (preg_match('{^(?P<version>(\d+\\.)*\d+)(?:\.x)?-dev$}i', $branch, $matches)) {
            return $matches['version'] . '.';
        }

        return false;
    }

    /**
     * Normalizes a branch name to be able to perform comparisons on it.
     *
     * @param string $name
     *
     * @return string
     */
    public function normalizeBranch($name)
    {
        $name = trim($name);

        if (in_array($name, array('master', 'trunk', 'default'))) {
            return $this->normalize($name);
        }

        if (preg_match('{^v?(\d+)(\.(?:\d+|[xX*]))?(\.(?:\d+|[xX*]))?(\.(?:\d+|[xX*]))?$}i', $name, $matches)) {
            $version = '';
            for ($i = 1; $i < 5; ++$i) {
                $version .= isset($matches[$i]) ? str_replace(array('*', 'X'), 'x', $matches[$i]) : '.x';
            }

            return str_replace('x', '9999999', $version) . '-dev';
        }

        return 'dev-' . $name;
    }

    /**
     * Parses as constraint string into LinkConstraint objects.
     *
     * @param string $constraints
     *
     * @return ConstraintInterface
     */
    public function parseConstraints($constraints)
    {
        $prettyConstraint = $constraints;

        if (preg_match('{^([^,\s]*?)@(' . implode('|', self::$stabilities) . ')$}i', $constraints, $match)) {
            $constraints = empty($match[1]) ? '*' : $match[1];
        }

        if (preg_match('{^(dev-[^,\s@]+?|[^,\s@]+?\.x-dev)#.+$}i', $constraints, $match)) {
            $constraints = $match[1];
        }

        $orConstraints = preg_split('{\s*\|\|?\s*}', trim($constraints));
        $orGroups = array();
        foreach ($orConstraints as $constraints) {
            $andConstraints = preg_split('{(?<!^|as|[=>< ,]) *(?<!-)[, ](?!-) *(?!,|as|$)}', $constraints);
            if (count($andConstraints) > 1) {
                $constraintObjects = array();
                foreach ($andConstraints as $constraint) {
                    foreach ($this->parseConstraint($constraint) as $parsedConstraint) {
                        $constraintObjects[] = $parsedConstraint;
                    }
                }
            } else {
                $constraintObjects = $this->parseConstraint($andConstraints[0]);
            }

            if (1 === count($constraintObjects)) {
                $constraint = $constraintObjects[0];
            } else {
                $constraint = new MultiConstraint($constraintObjects);
            }

            $orGroups[] = $constraint;
        }

        if (1 === count($orGroups)) {
            $constraint = $orGroups[0];
        } else {
            $constraint = new MultiConstraint($orGroups, false);
        }

        $constraint->setPrettyString($prettyConstraint);

        return $constraint;
    }

    /**
     * @param string $constraint
     *
     * @throws \UnexpectedValueException
     *
     * @return array
     */
    private function parseConstraint($constraint)
    {
        if (preg_match('{^([^,\s]+?)@(' . implode('|', self::$stabilities) . ')$}i', $constraint, $match)) {
            $constraint = $match[1];
            if ($match[2] !== 'stable') {
                $stabilityModifier = $match[2];
            }
        }

        if (preg_match('{^[xX*](\.[xX*])*$}i', $constraint)) {
            return array(new EmptyConstraint());
        }

        $versionRegex = 'v?(\d+)(?:\.(\d+))?(?:\.(\d+))?(?:\.(\d+))?' . self::$modifierRegex . '(?:\+[^\s]+)?';

        // Tilde Range
        //
        // Like wildcard constraints, unsuffixed tilde constraints say that they must be greater than the previous
        // version, to ensure that unstable instances of the current version are allowed. However, if a stability
        // suffix is added to the constraint, then a >= match on the current version is used instead.
        if (preg_match('{^~>?' . $versionRegex . '$}i', $constraint, $matches)) {
            if (substr($constraint, 0, 2) === '~>') {
                throw new \UnexpectedValueException(
                    'Could not parse version constraint ' . $constraint . ': ' .
                    'Invalid operator "~>", you probably meant to use the "~" operator'
                );
            }

            // Work out which position in the version we are operating at
            if (isset($matches[4]) && '' !== $matches[4]) {
                $position = 4;
            } elseif (isset($matches[3]) && '' !== $matches[3]) {
                $position = 3;
            } elseif (isset($matches[2]) && '' !== $matches[2]) {
                $position = 2;
            } else {
                $position = 1;
            }

            // Calculate the stability suffix
            $stabilitySuffix = '';
            if (!empty($matches[5])) {
                $stabilitySuffix .= '-' . $this->expandStability($matches[5]) . (!empty($matches[6]) ? $matches[6] : '');
            }

            if (!empty($matches[7])) {
                $stabilitySuffix .= '-dev';
            }

            if (!$stabilitySuffix) {
                $stabilitySuffix = '-dev';
            }

            $lowVersion = $this->manipulateVersionString($matches, $position, 0) . $stabilitySuffix;
            $lowerBound = new Constraint('>=', $lowVersion);

            // For upper bound, we increment the position of one more significance,
            // but highPosition = 0 would be illegal
            $highPosition = max(1, $position - 1);
            $highVersion = $this->manipulateVersionString($matches, $highPosition, 1) . '-dev';
            $upperBound = new Constraint('<', $highVersion);

            return array(
                $lowerBound,
                $upperBound,
            );
        }

        // Caret Range
        //
        // Allows changes that do not modify the left-most non-zero digit in the [major, minor, patch] tuple.
        // In other words, this allows patch and minor updates for versions 1.0.0 and above, patch updates for
        // versions 0.X >=0.1.0, and no updates for versions 0.0.X
        if (preg_match('{^\^' . $versionRegex . '($)}i', $constraint, $matches)) {
            // Work out which position in the version we are operating at
            if ('0' !== $matches[1] || '' === $matches[2]) {
                $position = 1;
            } elseif ('0' !== $matches[2] || '' === $matches[3]) {
                $position = 2;
            } else {
                $position = 3;
            }

            // Calculate the stability suffix
            $stabilitySuffix = '';
            if (empty($matches[5]) && empty($matches[7])) {
                $stabilitySuffix .= '-dev';
            }

            $lowVersion = $this->normalize(substr($constraint . $stabilitySuffix, 1));
            $lowerBound = new Constraint('>=', $lowVersion);

            // For upper bound, we increment the position of one more significance,
            // but highPosition = 0 would be illegal
            $highVersion = $this->manipulateVersionString($matches, $position, 1) . '-dev';
            $upperBound = new Constraint('<', $highVersion);

            return array(
                $lowerBound,
                $upperBound,
            );
        }

        // X Range
        //
        // Any of X, x, or * may be used to "stand in" for one of the numeric values in the [major, minor, patch] tuple.
        // A partial version range is treated as an X-Range, so the special character is in fact optional.
        if (preg_match('{^(\d+)(?:\.(\d+))?(?:\.(\d+))?(?:\.[xX*])+$}', $constraint, $matches)) {
            if (isset($matches[3]) && '' !== $matches[3]) {
                $position = 3;
            } elseif (isset($matches[2]) && '' !== $matches[2]) {
                $position = 2;
            } else {
                $position = 1;
            }

            $lowVersion = $this->manipulateVersionString($matches, $position) . '-dev';
            $highVersion = $this->manipulateVersionString($matches, $position, 1) . '-dev';

            if ($lowVersion === '0.0.0.0-dev') {
                return array(new Constraint('<', $highVersion));
            }

            return array(
                new Constraint('>=', $lowVersion),
                new Constraint('<', $highVersion),
            );
        }

        // Hyphen Range
        //
        // Specifies an inclusive set. If a partial version is provided as the first version in the inclusive range,
        // then the missing pieces are replaced with zeroes. If a partial version is provided as the second version in
        // the inclusive range, then all versions that start with the supplied parts of the tuple are accepted, but
        // nothing that would be greater than the provided tuple parts.
        if (preg_match('{^(?P<from>' . $versionRegex . ') +- +(?P<to>' . $versionRegex . ')($)}i', $constraint, $matches)) {
            // Calculate the stability suffix
            $lowStabilitySuffix = '';
            if (empty($matches[6]) && empty($matches[8])) {
                $lowStabilitySuffix = '-dev';
            }

            $lowVersion = $this->normalize($matches['from']);
            $lowerBound = new Constraint('>=', $lowVersion . $lowStabilitySuffix);

            $empty = function ($x) {
                return ($x === 0 || $x === '0') ? false : empty($x);
            };

            if ((!$empty($matches[11]) && !$empty($matches[12])) || !empty($matches[14]) || !empty($matches[16])) {
                $highVersion = $this->normalize($matches['to']);
                $upperBound = new Constraint('<=', $highVersion);
            } else {
                $highMatch = array('', $matches[10], $matches[11], $matches[12], $matches[13]);
                $highVersion = $this->manipulateVersionString($highMatch, $empty($matches[11]) ? 1 : 2, 1) . '-dev';
                $upperBound = new Constraint('<', $highVersion);
            }

            return array(
                $lowerBound,
                $upperBound,
            );
        }

        // Basic Comparators
        if (preg_match('{^(<>|!=|>=?|<=?|==?)?\s*(.*)}', $constraint, $matches)) {
            try {
                $version = $this->normalize($matches[2]);

                if (!empty($stabilityModifier) && $this->parseStability($version) === 'stable') {
                    $version .= '-' . $stabilityModifier;
                } elseif ('<' === $matches[1] || '>=' === $matches[1]) {
                    if (!preg_match('/-' . self::$modifierRegex . '$/', strtolower($matches[2]))) {
                        if (substr($matches[2], 0, 4) !== 'dev-') {
                            $version .= '-dev';
                        }
                    }
                }

                return array(new Constraint($matches[1] ?: '=', $version));
            } catch (\Exception $e) {
            }
        }

        $message = 'Could not parse version constraint ' . $constraint;
        if (isset($e)) {
            $message .= ': ' . $e->getMessage();
        }

        throw new \UnexpectedValueException($message);
    }

    /**
     * Increment, decrement, or simply pad a version number.
     *
     * Support function for {@link parseConstraint()}
     *
     * @param array $matches Array with version parts in array indexes 1,2,3,4
     * @param int $position 1,2,3,4 - which segment of the version to increment/decrement
     * @param int $increment
     * @param string $pad The string to pad version parts after $position
     *
     * @return string The new version
     */
    private function manipulateVersionString($matches, $position, $increment = 0, $pad = '0')
    {
        for ($i = 4; $i > 0; --$i) {
            if ($i > $position) {
                $matches[$i] = $pad;
            } elseif ($i === $position && $increment) {
                $matches[$i] += $increment;
                // If $matches[$i] was 0, carry the decrement
                if ($matches[$i] < 0) {
                    $matches[$i] = $pad;
                    --$position;

                    // Return null on a carry overflow
                    if ($i === 1) {
                        return;
                    }
                }
            }
        }

        return $matches[1] . '.' . $matches[2] . '.' . $matches[3] . '.' . $matches[4];
    }

    /**
     * Expand shorthand stability string to long version.
     *
     * @param string $stability
     *
     * @return string
     */
    private function expandStability($stability)
    {
        $stability = strtolower($stability);

        switch ($stability) {
            case 'a':
                return 'alpha';
            case 'b':
                return 'beta';
            case 'p':
            case 'pl':
                return 'patch';
            case 'rc':
                return 'RC';
            default:
                return $stability;
        }
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Adapter;

/**
 * Interface for finder engine implementations.
 *
 * @author Jean-FranÃ§ois Simon <contact@jfsimon.fr>
 */
abstract class AbstractAdapter implements AdapterInterface
{
    protected $followLinks = false;
    protected $mode = 0;
    protected $minDepth = 0;
    protected $maxDepth = PHP_INT_MAX;
    protected $exclude = array();
    protected $names = array();
    protected $notNames = array();
    protected $contains = array();
    protected $notContains = array();
    protected $sizes = array();
    protected $dates = array();
    protected $filters = array();
    protected $sort = false;
    protected $paths = array();
    protected $notPaths = array();
    protected $ignoreUnreadableDirs = false;

    private static $areSupported = array();

    /**
     * {@inheritdoc}
     */
    public function isSupported()
    {
        $name = $this->getName();

        if (!array_key_exists($name, self::$areSupported)) {
            self::$areSupported[$name] = $this->canBeUsed();
        }

        return self::$areSupported[$name];
    }

    /**
     * {@inheritdoc}
     */
    public function setFollowLinks($followLinks)
    {
        $this->followLinks = $followLinks;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setMode($mode)
    {
        $this->mode = $mode;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setDepths(array $depths)
    {
        $this->minDepth = 0;
        $this->maxDepth = PHP_INT_MAX;

        foreach ($depths as $comparator) {
            switch ($comparator->getOperator()) {
                case '>':
                    $this->minDepth = $comparator->getTarget() + 1;
                    break;
                case '>=':
                    $this->minDepth = $comparator->getTarget();
                    break;
                case '<':
                    $this->maxDepth = $comparator->getTarget() - 1;
                    break;
                case '<=':
                    $this->maxDepth = $comparator->getTarget();
                    break;
                default:
                    $this->minDepth = $this->maxDepth = $comparator->getTarget();
            }
        }

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setExclude(array $exclude)
    {
        $this->exclude = $exclude;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setNames(array $names)
    {
        $this->names = $names;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setNotNames(array $notNames)
    {
        $this->notNames = $notNames;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setContains(array $contains)
    {
        $this->contains = $contains;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setNotContains(array $notContains)
    {
        $this->notContains = $notContains;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setSizes(array $sizes)
    {
        $this->sizes = $sizes;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setDates(array $dates)
    {
        $this->dates = $dates;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setFilters(array $filters)
    {
        $this->filters = $filters;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setSort($sort)
    {
        $this->sort = $sort;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setPath(array $paths)
    {
        $this->paths = $paths;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function setNotPath(array $notPaths)
    {
        $this->notPaths = $notPaths;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function ignoreUnreadableDirs($ignore = true)
    {
        $this->ignoreUnreadableDirs = (bool) $ignore;

        return $this;
    }

    /**
     * Returns whether the adapter is supported in the current environment.
     *
     * This method should be implemented in all adapters. Do not implement
     * isSupported in the adapters as the generic implementation provides a cache
     * layer.
     *
     * @see isSupported()
     *
     * @return bool Whether the adapter is supported
     */
    abstract protected function canBeUsed();
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Adapter;

use Symfony\Component\Finder\Exception\AccessDeniedException;
use Symfony\Component\Finder\Iterator;
use Symfony\Component\Finder\Shell\Shell;
use Symfony\Component\Finder\Expression\Expression;
use Symfony\Component\Finder\Shell\Command;
use Symfony\Component\Finder\Comparator\NumberComparator;
use Symfony\Component\Finder\Comparator\DateComparator;

/**
 * Shell engine implementation using GNU find command.
 *
 * @author Jean-FranÃ§ois Simon <contact@jfsimon.fr>
 */
abstract class AbstractFindAdapter extends AbstractAdapter
{
    /**
     * @var Shell
     */
    protected $shell;

    /**
     * Constructor.
     */
    public function __construct()
    {
        $this->shell = new Shell();
    }

    /**
     * {@inheritdoc}
     */
    public function searchInDirectory($dir)
    {
        // having "/../" in path make find fail
        $dir = realpath($dir);

        // searching directories containing or not containing strings leads to no result
        if (Iterator\FileTypeFilterIterator::ONLY_DIRECTORIES === $this->mode && ($this->contains || $this->notContains)) {
            return new Iterator\FilePathsIterator(array(), $dir);
        }

        $command = Command::create();
        $find = $this->buildFindCommand($command, $dir);

        if ($this->followLinks) {
            $find->add('-follow');
        }

        $find->add('-mindepth')->add($this->minDepth + 1);

        if (PHP_INT_MAX !== $this->maxDepth) {
            $find->add('-maxdepth')->add($this->maxDepth + 1);
        }

        if (Iterator\FileTypeFilterIterator::ONLY_DIRECTORIES === $this->mode) {
            $find->add('-type d');
        } elseif (Iterator\FileTypeFilterIterator::ONLY_FILES === $this->mode) {
            $find->add('-type f');
        }

        $this->buildNamesFiltering($find, $this->names);
        $this->buildNamesFiltering($find, $this->notNames, true);
        $this->buildPathsFiltering($find, $dir, $this->paths);
        $this->buildPathsFiltering($find, $dir, $this->notPaths, true);
        $this->buildSizesFiltering($find, $this->sizes);
        $this->buildDatesFiltering($find, $this->dates);

        $useGrep = $this->shell->testCommand('grep') && $this->shell->testCommand('xargs');
        $useSort = is_int($this->sort) && $this->shell->testCommand('sort') && $this->shell->testCommand('cut');

        if ($useGrep && ($this->contains || $this->notContains)) {
            $grep = $command->ins('grep');
            $this->buildContentFiltering($grep, $this->contains);
            $this->buildContentFiltering($grep, $this->notContains, true);
        }

        if ($useSort) {
            $this->buildSorting($command, $this->sort);
        }

        $command->setErrorHandler(
            $this->ignoreUnreadableDirs
                // If directory is unreadable and finder is set to ignore it, `stderr` is ignored.
                ? function ($stderr) { return; }
                : function ($stderr) { throw new AccessDeniedException($stderr); }
        );

        $paths = $this->shell->testCommand('uniq') ? $command->add('| uniq')->execute() : array_unique($command->execute());
        $iterator = new Iterator\FilePathsIterator($paths, $dir);

        if ($this->exclude) {
            $iterator = new Iterator\ExcludeDirectoryFilterIterator($iterator, $this->exclude);
        }

        if (!$useGrep && ($this->contains || $this->notContains)) {
            $iterator = new Iterator\FilecontentFilterIterator($iterator, $this->contains, $this->notContains);
        }

        if ($this->filters) {
            $iterator = new Iterator\CustomFilterIterator($iterator, $this->filters);
        }

        if (!$useSort && $this->sort) {
            $iteratorAggregate = new Iterator\SortableIterator($iterator, $this->sort);
            $iterator = $iteratorAggregate->getIterator();
        }

        return $iterator;
    }

    /**
     * {@inheritdoc}
     */
    protected function canBeUsed()
    {
        return $this->shell->testCommand('find');
    }

    /**
     * @param Command $command
     * @param string  $dir
     *
     * @return Command
     */
    protected function buildFindCommand(Command $command, $dir)
    {
        return $command
            ->ins('find')
            ->add('find ')
            ->arg($dir)
            ->add('-noleaf'); // the -noleaf option is required for filesystems that don't follow the '.' and '..' conventions
    }

    /**
     * @param Command  $command
     * @param string[] $names
     * @param bool     $not
     */
    private function buildNamesFiltering(Command $command, array $names, $not = false)
    {
        if (0 === count($names)) {
            return;
        }

        $command->add($not ? '-not' : null)->cmd('(');

        foreach ($names as $i => $name) {
            $expr = Expression::create($name);

            // Find does not support expandable globs ("*.{a,b}" syntax).
            if ($expr->isGlob() && $expr->getGlob()->isExpandable()) {
                $expr = Expression::create($expr->getGlob()->toRegex(false));
            }

            // Fixes 'not search' and 'full path matching' regex problems.
            // - Jokers '.' are replaced by [^/].
            // - We add '[^/]*' before and after regex (if no ^|$ flags are present).
            if ($expr->isRegex()) {
                $regex = $expr->getRegex();
                $regex->prepend($regex->hasStartFlag() ? '/' : '/[^/]*')
                    ->setStartFlag(false)
                    ->setStartJoker(true)
                    ->replaceJokers('[^/]');
                if (!$regex->hasEndFlag() || $regex->hasEndJoker()) {
                    $regex->setEndJoker(false)->append('[^/]*');
                }
            }

            $command
                ->add($i > 0 ? '-or' : null)
                ->add($expr->isRegex()
                    ? ($expr->isCaseSensitive() ? '-regex' : '-iregex')
                    : ($expr->isCaseSensitive() ? '-name' : '-iname')
                )
                ->arg($expr->renderPattern());
        }

        $command->cmd(')');
    }

    /**
     * @param Command  $command
     * @param string   $dir
     * @param string[] $paths
     * @param bool     $not
     */
    private function buildPathsFiltering(Command $command, $dir, array $paths, $not = false)
    {
        if (0 === count($paths)) {
            return;
        }

        $command->add($not ? '-not' : null)->cmd('(');

        foreach ($paths as $i => $path) {
            $expr = Expression::create($path);

            // Find does not support expandable globs ("*.{a,b}" syntax).
            if ($expr->isGlob() && $expr->getGlob()->isExpandable()) {
                $expr = Expression::create($expr->getGlob()->toRegex(false));
            }

            // Fixes 'not search' regex problems.
            if ($expr->isRegex()) {
                $regex = $expr->getRegex();
                $regex->prepend($regex->hasStartFlag() ? preg_quote($dir).DIRECTORY_SEPARATOR : '.*')->setEndJoker(!$regex->hasEndFlag());
            } else {
                $expr->prepend('*')->append('*');
            }

            $command
                ->add($i > 0 ? '-or' : null)
                ->add($expr->isRegex()
                    ? ($expr->isCaseSensitive() ? '-regex' : '-iregex')
                    : ($expr->isCaseSensitive() ? '-path' : '-ipath')
                )
                ->arg($expr->renderPattern());
        }

        $command->cmd(')');
    }

    /**
     * @param Command            $command
     * @param NumberComparator[] $sizes
     */
    private function buildSizesFiltering(Command $command, array $sizes)
    {
        foreach ($sizes as $i => $size) {
            $command->add($i > 0 ? '-and' : null);

            switch ($size->getOperator()) {
                case '<=':
                    $command->add('-size -'.($size->getTarget() + 1).'c');
                    break;
                case '>=':
                    $command->add('-size +'.($size->getTarget() - 1).'c');
                    break;
                case '>':
                    $command->add('-size +'.$size->getTarget().'c');
                    break;
                case '!=':
                    $command->add('-size -'.$size->getTarget().'c');
                    $command->add('-size +'.$size->getTarget().'c');
                    break;
                case '<':
                default:
                    $command->add('-size -'.$size->getTarget().'c');
            }
        }
    }

    /**
     * @param Command          $command
     * @param DateComparator[] $dates
     */
    private function buildDatesFiltering(Command $command, array $dates)
    {
        foreach ($dates as $i => $date) {
            $command->add($i > 0 ? '-and' : null);

            $mins = (int) round((time() - $date->getTarget()) / 60);

            if (0 > $mins) {
                // mtime is in the future
                $command->add(' -mmin -0');
                // we will have no result so we don't need to continue
                return;
            }

            switch ($date->getOperator()) {
                case '<=':
                    $command->add('-mmin +'.($mins - 1));
                    break;
                case '>=':
                    $command->add('-mmin -'.($mins + 1));
                    break;
                case '>':
                    $command->add('-mmin -'.$mins);
                    break;
                case '!=':
                    $command->add('-mmin +'.$mins.' -or -mmin -'.$mins);
                    break;
                case '<':
                default:
                    $command->add('-mmin +'.$mins);
            }
        }
    }

    /**
     * @param Command $command
     * @param string  $sort
     *
     * @throws \InvalidArgumentException
     */
    private function buildSorting(Command $command, $sort)
    {
        $this->buildFormatSorting($command, $sort);
    }

    /**
     * @param Command $command
     * @param string  $sort
     */
    abstract protected function buildFormatSorting(Command $command, $sort);

    /**
     * @param Command $command
     * @param array   $contains
     * @param bool    $not
     */
    abstract protected function buildContentFiltering(Command $command, array $contains, $not = false);
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Adapter;

/**
 * @author Jean-FranÃ§ois Simon <contact@jfsimon.fr>
 */
interface AdapterInterface
{
    /**
     * @param bool $followLinks
     *
     * @return AdapterInterface Current instance
     */
    public function setFollowLinks($followLinks);

    /**
     * @param int $mode
     *
     * @return AdapterInterface Current instance
     */
    public function setMode($mode);

    /**
     * @param array $exclude
     *
     * @return AdapterInterface Current instance
     */
    public function setExclude(array $exclude);

    /**
     * @param array $depths
     *
     * @return AdapterInterface Current instance
     */
    public function setDepths(array $depths);

    /**
     * @param array $names
     *
     * @return AdapterInterface Current instance
     */
    public function setNames(array $names);

    /**
     * @param array $notNames
     *
     * @return AdapterInterface Current instance
     */
    public function setNotNames(array $notNames);

    /**
     * @param array $contains
     *
     * @return AdapterInterface Current instance
     */
    public function setContains(array $contains);

    /**
     * @param array $notContains
     *
     * @return AdapterInterface Current instance
     */
    public function setNotContains(array $notContains);

    /**
     * @param array $sizes
     *
     * @return AdapterInterface Current instance
     */
    public function setSizes(array $sizes);

    /**
     * @param array $dates
     *
     * @return AdapterInterface Current instance
     */
    public function setDates(array $dates);

    /**
     * @param array $filters
     *
     * @return AdapterInterface Current instance
     */
    public function setFilters(array $filters);

    /**
     * @param \Closure|int $sort
     *
     * @return AdapterInterface Current instance
     */
    public function setSort($sort);

    /**
     * @param array $paths
     *
     * @return AdapterInterface Current instance
     */
    public function setPath(array $paths);

    /**
     * @param array $notPaths
     *
     * @return AdapterInterface Current instance
     */
    public function setNotPath(array $notPaths);

    /**
     * @param bool $ignore
     *
     * @return AdapterInterface Current instance
     */
    public function ignoreUnreadableDirs($ignore = true);

    /**
     * @param string $dir
     *
     * @return \Iterator Result iterator
     */
    public function searchInDirectory($dir);

    /**
     * Tests adapter support for current platform.
     *
     * @return bool
     */
    public function isSupported();

    /**
     * Returns adapter name.
     *
     * @return string
     */
    public function getName();
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Adapter;

use Symfony\Component\Finder\Shell\Shell;
use Symfony\Component\Finder\Shell\Command;
use Symfony\Component\Finder\Iterator\SortableIterator;
use Symfony\Component\Finder\Expression\Expression;

/**
 * Shell engine implementation using BSD find command.
 *
 * @author Jean-FranÃ§ois Simon <contact@jfsimon.fr>
 */
class BsdFindAdapter extends AbstractFindAdapter
{
    /**
     * {@inheritdoc}
     */
    public function getName()
    {
        return 'bsd_find';
    }

    /**
     * {@inheritdoc}
     */
    protected function canBeUsed()
    {
        return in_array($this->shell->getType(), array(Shell::TYPE_BSD, Shell::TYPE_DARWIN)) && parent::canBeUsed();
    }

    /**
     * {@inheritdoc}
     */
    protected function buildFormatSorting(Command $command, $sort)
    {
        switch ($sort) {
            case SortableIterator::SORT_BY_NAME:
                $command->ins('sort')->add('| sort');

                return;
            case SortableIterator::SORT_BY_TYPE:
                $format = '%HT';
                break;
            case SortableIterator::SORT_BY_ACCESSED_TIME:
                $format = '%a';
                break;
            case SortableIterator::SORT_BY_CHANGED_TIME:
                $format = '%c';
                break;
            case SortableIterator::SORT_BY_MODIFIED_TIME:
                $format = '%m';
                break;
            default:
                throw new \InvalidArgumentException(sprintf('Unknown sort options: %s.', $sort));
        }

        $command
            ->add('-print0 | xargs -0 stat -f')
            ->arg($format.'%t%N')
            ->add('| sort | cut -f 2');
    }

    /**
     * {@inheritdoc}
     */
    protected function buildFindCommand(Command $command, $dir)
    {
        parent::buildFindCommand($command, $dir)->addAtIndex('-E', 1);

        return $command;
    }

    /**
     * {@inheritdoc}
     */
    protected function buildContentFiltering(Command $command, array $contains, $not = false)
    {
        foreach ($contains as $contain) {
            $expr = Expression::create($contain);

            // todo: avoid forking process for each $pattern by using multiple -e options
            $command
                ->add('| grep -v \'^$\'')
                ->add('| xargs -I{} grep -I')
                ->add($expr->isCaseSensitive() ? null : '-i')
                ->add($not ? '-L' : '-l')
                ->add('-Ee')->arg($expr->renderPattern())
                ->add('{}')
            ;
        }
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Adapter;

use Symfony\Component\Finder\Shell\Shell;
use Symfony\Component\Finder\Shell\Command;
use Symfony\Component\Finder\Iterator\SortableIterator;
use Symfony\Component\Finder\Expression\Expression;

/**
 * Shell engine implementation using GNU find command.
 *
 * @author Jean-FranÃ§ois Simon <contact@jfsimon.fr>
 */
class GnuFindAdapter extends AbstractFindAdapter
{
    /**
     * {@inheritdoc}
     */
    public function getName()
    {
        return 'gnu_find';
    }

    /**
     * {@inheritdoc}
     */
    protected function buildFormatSorting(Command $command, $sort)
    {
        switch ($sort) {
            case SortableIterator::SORT_BY_NAME:
                $command->ins('sort')->add('| sort');

                return;
            case SortableIterator::SORT_BY_TYPE:
                $format = '%y';
                break;
            case SortableIterator::SORT_BY_ACCESSED_TIME:
                $format = '%A@';
                break;
            case SortableIterator::SORT_BY_CHANGED_TIME:
                $format = '%C@';
                break;
            case SortableIterator::SORT_BY_MODIFIED_TIME:
                $format = '%T@';
                break;
            default:
                throw new \InvalidArgumentException(sprintf('Unknown sort options: %s.', $sort));
        }

        $command
            ->get('find')
            ->add('-printf')
            ->arg($format.' %h/%f\\n')
            ->add('| sort | cut')
            ->arg('-d ')
            ->arg('-f2-')
        ;
    }

    /**
     * {@inheritdoc}
     */
    protected function canBeUsed()
    {
        return $this->shell->getType() === Shell::TYPE_UNIX && parent::canBeUsed();
    }

    /**
     * {@inheritdoc}
     */
    protected function buildFindCommand(Command $command, $dir)
    {
        return parent::buildFindCommand($command, $dir)->add('-regextype posix-extended');
    }

    /**
     * {@inheritdoc}
     */
    protected function buildContentFiltering(Command $command, array $contains, $not = false)
    {
        foreach ($contains as $contain) {
            $expr = Expression::create($contain);

            // todo: avoid forking process for each $pattern by using multiple -e options
            $command
                ->add('| xargs -I{} -r grep -I')
                ->add($expr->isCaseSensitive() ? null : '-i')
                ->add($not ? '-L' : '-l')
                ->add('-Ee')->arg($expr->renderPattern())
                ->add('{}')
            ;
        }
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Adapter;

use Symfony\Component\Finder\Iterator;

/**
 * PHP finder engine implementation.
 *
 * @author Jean-FranÃ§ois Simon <contact@jfsimon.fr>
 */
class PhpAdapter extends AbstractAdapter
{
    /**
     * {@inheritdoc}
     */
    public function searchInDirectory($dir)
    {
        $flags = \RecursiveDirectoryIterator::SKIP_DOTS;

        if ($this->followLinks) {
            $flags |= \RecursiveDirectoryIterator::FOLLOW_SYMLINKS;
        }

        $iterator = new Iterator\RecursiveDirectoryIterator($dir, $flags, $this->ignoreUnreadableDirs);

        if ($this->exclude) {
            $iterator = new Iterator\ExcludeDirectoryFilterIterator($iterator, $this->exclude);
        }

        $iterator = new \RecursiveIteratorIterator($iterator, \RecursiveIteratorIterator::SELF_FIRST);

        if ($this->minDepth > 0 || $this->maxDepth < PHP_INT_MAX) {
            $iterator = new Iterator\DepthRangeFilterIterator($iterator, $this->minDepth, $this->maxDepth);
        }

        if ($this->mode) {
            $iterator = new Iterator\FileTypeFilterIterator($iterator, $this->mode);
        }

        if ($this->names || $this->notNames) {
            $iterator = new Iterator\FilenameFilterIterator($iterator, $this->names, $this->notNames);
        }

        if ($this->contains || $this->notContains) {
            $iterator = new Iterator\FilecontentFilterIterator($iterator, $this->contains, $this->notContains);
        }

        if ($this->sizes) {
            $iterator = new Iterator\SizeRangeFilterIterator($iterator, $this->sizes);
        }

        if ($this->dates) {
            $iterator = new Iterator\DateRangeFilterIterator($iterator, $this->dates);
        }

        if ($this->filters) {
            $iterator = new Iterator\CustomFilterIterator($iterator, $this->filters);
        }

        if ($this->paths || $this->notPaths) {
            $iterator = new Iterator\PathFilterIterator($iterator, $this->paths, $this->notPaths);
        }

        if ($this->sort) {
            $iteratorAggregate = new Iterator\SortableIterator($iterator, $this->sort);
            $iterator = $iteratorAggregate->getIterator();
        }

        return $iterator;
    }

    /**
     * {@inheritdoc}
     */
    public function getName()
    {
        return 'php';
    }

    /**
     * {@inheritdoc}
     */
    protected function canBeUsed()
    {
        return true;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Comparator;

/**
 * Comparator.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class Comparator
{
    private $target;
    private $operator = '==';

    /**
     * Gets the target value.
     *
     * @return string The target value
     */
    public function getTarget()
    {
        return $this->target;
    }

    /**
     * Sets the target value.
     *
     * @param string $target The target value
     */
    public function setTarget($target)
    {
        $this->target = $target;
    }

    /**
     * Gets the comparison operator.
     *
     * @return string The operator
     */
    public function getOperator()
    {
        return $this->operator;
    }

    /**
     * Sets the comparison operator.
     *
     * @param string $operator A valid operator
     *
     * @throws \InvalidArgumentException
     */
    public function setOperator($operator)
    {
        if (!$operator) {
            $operator = '==';
        }

        if (!in_array($operator, array('>', '<', '>=', '<=', '==', '!='))) {
            throw new \InvalidArgumentException(sprintf('Invalid operator "%s".', $operator));
        }

        $this->operator = $operator;
    }

    /**
     * Tests against the target.
     *
     * @param mixed $test A test value
     *
     * @return bool
     */
    public function test($test)
    {
        switch ($this->operator) {
            case '>':
                return $test > $this->target;
            case '>=':
                return $test >= $this->target;
            case '<':
                return $test < $this->target;
            case '<=':
                return $test <= $this->target;
            case '!=':
                return $test != $this->target;
        }

        return $test == $this->target;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Comparator;

/**
 * DateCompare compiles date comparisons.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class DateComparator extends Comparator
{
    /**
     * Constructor.
     *
     * @param string $test A comparison string
     *
     * @throws \InvalidArgumentException If the test is not understood
     */
    public function __construct($test)
    {
        if (!preg_match('#^\s*(==|!=|[<>]=?|after|since|before|until)?\s*(.+?)\s*$#i', $test, $matches)) {
            throw new \InvalidArgumentException(sprintf('Don\'t understand "%s" as a date test.', $test));
        }

        try {
            $date = new \DateTime($matches[2]);
            $target = $date->format('U');
        } catch (\Exception $e) {
            throw new \InvalidArgumentException(sprintf('"%s" is not a valid date.', $matches[2]));
        }

        $operator = isset($matches[1]) ? $matches[1] : '==';
        if ('since' === $operator || 'after' === $operator) {
            $operator = '>';
        }

        if ('until' === $operator || 'before' === $operator) {
            $operator = '<';
        }

        $this->setOperator($operator);
        $this->setTarget($target);
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Comparator;

/**
 * NumberComparator compiles a simple comparison to an anonymous
 * subroutine, which you can call with a value to be tested again.
 *
 * Now this would be very pointless, if NumberCompare didn't understand
 * magnitudes.
 *
 * The target value may use magnitudes of kilobytes (k, ki),
 * megabytes (m, mi), or gigabytes (g, gi).  Those suffixed
 * with an i use the appropriate 2**n version in accordance with the
 * IEC standard: http://physics.nist.gov/cuu/Units/binary.html
 *
 * Based on the Perl Number::Compare module.
 *
 * @author    Fabien Potencier <fabien@symfony.com> PHP port
 * @author    Richard Clamp <richardc@unixbeard.net> Perl version
 * @copyright 2004-2005 Fabien Potencier <fabien@symfony.com>
 * @copyright 2002 Richard Clamp <richardc@unixbeard.net>
 *
 * @see http://physics.nist.gov/cuu/Units/binary.html
 */
class NumberComparator extends Comparator
{
    /**
     * Constructor.
     *
     * @param string $test A comparison string
     *
     * @throws \InvalidArgumentException If the test is not understood
     */
    public function __construct($test)
    {
        if (!preg_match('#^\s*(==|!=|[<>]=?)?\s*([0-9\.]+)\s*([kmg]i?)?\s*$#i', $test, $matches)) {
            throw new \InvalidArgumentException(sprintf('Don\'t understand "%s" as a number test.', $test));
        }

        $target = $matches[2];
        if (!is_numeric($target)) {
            throw new \InvalidArgumentException(sprintf('Invalid number "%s".', $target));
        }
        if (isset($matches[3])) {
            // magnitude
            switch (strtolower($matches[3])) {
                case 'k':
                    $target *= 1000;
                    break;
                case 'ki':
                    $target *= 1024;
                    break;
                case 'm':
                    $target *= 1000000;
                    break;
                case 'mi':
                    $target *= 1024 * 1024;
                    break;
                case 'g':
                    $target *= 1000000000;
                    break;
                case 'gi':
                    $target *= 1024 * 1024 * 1024;
                    break;
            }
        }

        $this->setTarget($target);
        $this->setOperator(isset($matches[1]) ? $matches[1] : '==');
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Exception;

/**
 * @author Jean-FranÃ§ois Simon <jeanfrancois.simon@sensiolabs.com>
 */
class AccessDeniedException extends \UnexpectedValueException
{
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Exception;

use Symfony\Component\Finder\Adapter\AdapterInterface;

/**
 * Base exception for all adapter failures.
 *
 * @author Jean-FranÃ§ois Simon <contact@jfsimon.fr>
 */
class AdapterFailureException extends \RuntimeException implements ExceptionInterface
{
    /**
     * @var \Symfony\Component\Finder\Adapter\AdapterInterface
     */
    private $adapter;

    /**
     * @param AdapterInterface $adapter
     * @param string|null      $message
     * @param \Exception|null  $previous
     */
    public function __construct(AdapterInterface $adapter, $message = null, \Exception $previous = null)
    {
        $this->adapter = $adapter;
        parent::__construct($message ?: 'Search failed with "'.$adapter->getName().'" adapter.', $previous);
    }

    /**
     * {@inheritdoc}
     */
    public function getAdapter()
    {
        return $this->adapter;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Exception;

/**
 * @author Jean-FranÃ§ois Simon <contact@jfsimon.fr>
 */
interface ExceptionInterface
{
    /**
     * @return \Symfony\Component\Finder\Adapter\AdapterInterface
     */
    public function getAdapter();
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Exception;

/**
 * @author Jean-FranÃ§ois Simon <contact@jfsimon.fr>
 */
class OperationNotPermitedException extends AdapterFailureException
{
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Exception;

use Symfony\Component\Finder\Adapter\AdapterInterface;
use Symfony\Component\Finder\Shell\Command;

/**
 * @author Jean-FranÃ§ois Simon <contact@jfsimon.fr>
 */
class ShellCommandFailureException extends AdapterFailureException
{
    /**
     * @var Command
     */
    private $command;

    /**
     * @param AdapterInterface $adapter
     * @param Command          $command
     * @param \Exception|null  $previous
     */
    public function __construct(AdapterInterface $adapter, Command $command, \Exception $previous = null)
    {
        $this->command = $command;
        parent::__construct($adapter, 'Shell command failed: "'.$command->join().'".', $previous);
    }

    /**
     * @return Command
     */
    public function getCommand()
    {
        return $this->command;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Expression;

/**
 * @author Jean-FranÃ§ois Simon <contact@jfsimon.fr>
 */
class Expression implements ValueInterface
{
    const TYPE_REGEX = 1;
    const TYPE_GLOB = 2;

    /**
     * @var ValueInterface
     */
    private $value;

    /**
     * @param string $expr
     *
     * @return Expression
     */
    public static function create($expr)
    {
        return new self($expr);
    }

    /**
     * @param string $expr
     */
    public function __construct($expr)
    {
        try {
            $this->value = Regex::create($expr);
        } catch (\InvalidArgumentException $e) {
            $this->value = new Glob($expr);
        }
    }

    /**
     * @return string
     */
    public function __toString()
    {
        return $this->render();
    }

    /**
     * {@inheritdoc}
     */
    public function render()
    {
        return $this->value->render();
    }

    /**
     * {@inheritdoc}
     */
    public function renderPattern()
    {
        return $this->value->renderPattern();
    }

    /**
     * @return bool
     */
    public function isCaseSensitive()
    {
        return $this->value->isCaseSensitive();
    }

    /**
     * @return int
     */
    public function getType()
    {
        return $this->value->getType();
    }

    /**
     * {@inheritdoc}
     */
    public function prepend($expr)
    {
        $this->value->prepend($expr);

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function append($expr)
    {
        $this->value->append($expr);

        return $this;
    }

    /**
     * @return bool
     */
    public function isRegex()
    {
        return self::TYPE_REGEX === $this->value->getType();
    }

    /**
     * @return bool
     */
    public function isGlob()
    {
        return self::TYPE_GLOB === $this->value->getType();
    }

    /**
     * @throws \LogicException
     *
     * @return Glob
     */
    public function getGlob()
    {
        if (self::TYPE_GLOB !== $this->value->getType()) {
            throw new \LogicException('Regex can\'t be transformed to glob.');
        }

        return $this->value;
    }

    /**
     * @return Regex
     */
    public function getRegex()
    {
        return self::TYPE_REGEX === $this->value->getType() ? $this->value : $this->value->toRegex();
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Expression;

use Symfony\Component\Finder\Glob as FinderGlob;

/**
 * @author Jean-FranÃ§ois Simon <contact@jfsimon.fr>
 */
class Glob implements ValueInterface
{
    /**
     * @var string
     */
    private $pattern;

    /**
     * @param string $pattern
     */
    public function __construct($pattern)
    {
        $this->pattern = $pattern;
    }

    /**
     * {@inheritdoc}
     */
    public function render()
    {
        return $this->pattern;
    }

    /**
     * {@inheritdoc}
     */
    public function renderPattern()
    {
        return $this->pattern;
    }

    /**
     * {@inheritdoc}
     */
    public function getType()
    {
        return Expression::TYPE_GLOB;
    }

    /**
     * {@inheritdoc}
     */
    public function isCaseSensitive()
    {
        return true;
    }

    /**
     * {@inheritdoc}
     */
    public function prepend($expr)
    {
        $this->pattern = $expr.$this->pattern;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function append($expr)
    {
        $this->pattern .= $expr;

        return $this;
    }

    /**
     * Tests if glob is expandable ("*.{a,b}" syntax).
     *
     * @return bool
     */
    public function isExpandable()
    {
        return false !== strpos($this->pattern, '{')
            && false !== strpos($this->pattern, '}');
    }

    /**
     * @param bool $strictLeadingDot
     * @param bool $strictWildcardSlash
     *
     * @return Regex
     */
    public function toRegex($strictLeadingDot = true, $strictWildcardSlash = true)
    {
        $regex = FinderGlob::toRegex($this->pattern, $strictLeadingDot, $strictWildcardSlash, '');

        return new Regex($regex);
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Expression;

/**
 * @author Jean-FranÃ§ois Simon <contact@jfsimon.fr>
 */
class Regex implements ValueInterface
{
    const START_FLAG = '^';
    const END_FLAG = '$';
    const BOUNDARY = '~';
    const JOKER = '.*';
    const ESCAPING = '\\';

    /**
     * @var string
     */
    private $pattern;

    /**
     * @var array
     */
    private $options;

    /**
     * @var bool
     */
    private $startFlag;

    /**
     * @var bool
     */
    private $endFlag;

    /**
     * @var bool
     */
    private $startJoker;

    /**
     * @var bool
     */
    private $endJoker;

    /**
     * @param string $expr
     *
     * @return Regex
     *
     * @throws \InvalidArgumentException
     */
    public static function create($expr)
    {
        if (preg_match('/^(.{3,}?)([imsxuADU]*)$/', $expr, $m)) {
            $start = substr($m[1], 0, 1);
            $end = substr($m[1], -1);

            if (
                ($start === $end && !preg_match('/[*?[:alnum:] \\\\]/', $start))
                || ($start === '{' && $end === '}')
                || ($start === '(' && $end === ')')
            ) {
                return new self(substr($m[1], 1, -1), $m[2], $end);
            }
        }

        throw new \InvalidArgumentException('Given expression is not a regex.');
    }

    /**
     * @param string $pattern
     * @param string $options
     * @param string $delimiter
     */
    public function __construct($pattern, $options = '', $delimiter = null)
    {
        if (null !== $delimiter) {
            // removes delimiter escaping
            $pattern = str_replace('\\'.$delimiter, $delimiter, $pattern);
        }

        $this->parsePattern($pattern);
        $this->options = $options;
    }

    /**
     * @return string
     */
    public function __toString()
    {
        return $this->render();
    }

    /**
     * {@inheritdoc}
     */
    public function render()
    {
        return self::BOUNDARY
            .$this->renderPattern()
            .self::BOUNDARY
            .$this->options;
    }

    /**
     * {@inheritdoc}
     */
    public function renderPattern()
    {
        return ($this->startFlag ? self::START_FLAG : '')
            .($this->startJoker ? self::JOKER : '')
            .str_replace(self::BOUNDARY, '\\'.self::BOUNDARY, $this->pattern)
            .($this->endJoker ? self::JOKER : '')
            .($this->endFlag ? self::END_FLAG : '');
    }

    /**
     * {@inheritdoc}
     */
    public function isCaseSensitive()
    {
        return !$this->hasOption('i');
    }

    /**
     * {@inheritdoc}
     */
    public function getType()
    {
        return Expression::TYPE_REGEX;
    }

    /**
     * {@inheritdoc}
     */
    public function prepend($expr)
    {
        $this->pattern = $expr.$this->pattern;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function append($expr)
    {
        $this->pattern .= $expr;

        return $this;
    }

    /**
     * @param string $option
     *
     * @return bool
     */
    public function hasOption($option)
    {
        return false !== strpos($this->options, $option);
    }

    /**
     * @param string $option
     *
     * @return Regex
     */
    public function addOption($option)
    {
        if (!$this->hasOption($option)) {
            $this->options .= $option;
        }

        return $this;
    }

    /**
     * @param string $option
     *
     * @return Regex
     */
    public function removeOption($option)
    {
        $this->options = str_replace($option, '', $this->options);

        return $this;
    }

    /**
     * @param bool $startFlag
     *
     * @return Regex
     */
    public function setStartFlag($startFlag)
    {
        $this->startFlag = $startFlag;

        return $this;
    }

    /**
     * @return bool
     */
    public function hasStartFlag()
    {
        return $this->startFlag;
    }

    /**
     * @param bool $endFlag
     *
     * @return Regex
     */
    public function setEndFlag($endFlag)
    {
        $this->endFlag = (bool) $endFlag;

        return $this;
    }

    /**
     * @return bool
     */
    public function hasEndFlag()
    {
        return $this->endFlag;
    }

    /**
     * @param bool $startJoker
     *
     * @return Regex
     */
    public function setStartJoker($startJoker)
    {
        $this->startJoker = $startJoker;

        return $this;
    }

    /**
     * @return bool
     */
    public function hasStartJoker()
    {
        return $this->startJoker;
    }

    /**
     * @param bool $endJoker
     *
     * @return Regex
     */
    public function setEndJoker($endJoker)
    {
        $this->endJoker = (bool) $endJoker;

        return $this;
    }

    /**
     * @return bool
     */
    public function hasEndJoker()
    {
        return $this->endJoker;
    }

    /**
     * @param array $replacement
     *
     * @return Regex
     */
    public function replaceJokers($replacement)
    {
        $replace = function ($subject) use ($replacement) {
            $subject = $subject[0];
            $replace = 0 === substr_count($subject, '\\') % 2;

            return $replace ? str_replace('.', $replacement, $subject) : $subject;
        };

        $this->pattern = preg_replace_callback('~[\\\\]*\\.~', $replace, $this->pattern);

        return $this;
    }

    /**
     * @param string $pattern
     */
    private function parsePattern($pattern)
    {
        if ($this->startFlag = self::START_FLAG === substr($pattern, 0, 1)) {
            $pattern = substr($pattern, 1);
        }

        if ($this->startJoker = self::JOKER === substr($pattern, 0, 2)) {
            $pattern = substr($pattern, 2);
        }

        if ($this->endFlag = (self::END_FLAG === substr($pattern, -1) && self::ESCAPING !== substr($pattern, -2, -1))) {
            $pattern = substr($pattern, 0, -1);
        }

        if ($this->endJoker = (self::JOKER === substr($pattern, -2) && self::ESCAPING !== substr($pattern, -3, -2))) {
            $pattern = substr($pattern, 0, -2);
        }

        $this->pattern = $pattern;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Expression;

/**
 * @author Jean-FranÃ§ois Simon <contact@jfsimon.fr>
 */
interface ValueInterface
{
    /**
     * Renders string representation of expression.
     *
     * @return string
     */
    public function render();

    /**
     * Renders string representation of pattern.
     *
     * @return string
     */
    public function renderPattern();

    /**
     * Returns value case sensitivity.
     *
     * @return bool
     */
    public function isCaseSensitive();

    /**
     * Returns expression type.
     *
     * @return int
     */
    public function getType();

    /**
     * @param string $expr
     *
     * @return ValueInterface
     */
    public function prepend($expr);

    /**
     * @param string $expr
     *
     * @return ValueInterface
     */
    public function append($expr);
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder;

/**
 * Glob matches globbing patterns against text.
 *
 *   if match_glob("foo.*", "foo.bar") echo "matched\n";
 *
 * // prints foo.bar and foo.baz
 * $regex = glob_to_regex("foo.*");
 * for (array('foo.bar', 'foo.baz', 'foo', 'bar') as $t)
 * {
 *   if (/$regex/) echo "matched: $car\n";
 * }
 *
 * Glob implements glob(3) style matching that can be used to match
 * against text, rather than fetching names from a filesystem.
 *
 * Based on the Perl Text::Glob module.
 *
 * @author Fabien Potencier <fabien@symfony.com> PHP port
 * @author     Richard Clamp <richardc@unixbeard.net> Perl version
 * @copyright  2004-2005 Fabien Potencier <fabien@symfony.com>
 * @copyright  2002 Richard Clamp <richardc@unixbeard.net>
 */
class Glob
{
    /**
     * Returns a regexp which is the equivalent of the glob pattern.
     *
     * @param string $glob                The glob pattern
     * @param bool   $strictLeadingDot
     * @param bool   $strictWildcardSlash
     * @param string $delimiter           Optional delimiter
     *
     * @return string regex The regexp
     */
    public static function toRegex($glob, $strictLeadingDot = true, $strictWildcardSlash = true, $delimiter = '#')
    {
        $firstByte = true;
        $escaping = false;
        $inCurlies = 0;
        $regex = '';
        $sizeGlob = strlen($glob);
        for ($i = 0; $i < $sizeGlob; ++$i) {
            $car = $glob[$i];
            if ($firstByte) {
                if ($strictLeadingDot && '.' !== $car) {
                    $regex .= '(?=[^\.])';
                }

                $firstByte = false;
            }

            if ('/' === $car) {
                $firstByte = true;
            }

            if ('.' === $car || '(' === $car || ')' === $car || '|' === $car || '+' === $car || '^' === $car || '$' === $car) {
                $regex .= "\\$car";
            } elseif ('*' === $car) {
                $regex .= $escaping ? '\\*' : ($strictWildcardSlash ? '[^/]*' : '.*');
            } elseif ('?' === $car) {
                $regex .= $escaping ? '\\?' : ($strictWildcardSlash ? '[^/]' : '.');
            } elseif ('{' === $car) {
                $regex .= $escaping ? '\\{' : '(';
                if (!$escaping) {
                    ++$inCurlies;
                }
            } elseif ('}' === $car && $inCurlies) {
                $regex .= $escaping ? '}' : ')';
                if (!$escaping) {
                    --$inCurlies;
                }
            } elseif (',' === $car && $inCurlies) {
                $regex .= $escaping ? ',' : '|';
            } elseif ('\\' === $car) {
                if ($escaping) {
                    $regex .= '\\\\';
                    $escaping = false;
                } else {
                    $escaping = true;
                }

                continue;
            } else {
                $regex .= $car;
            }
            $escaping = false;
        }

        return $delimiter.'^'.$regex.'$'.$delimiter;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

use Symfony\Component\Finder\Comparator\DateComparator;

/**
 * DateRangeFilterIterator filters out files that are not in the given date range (last modified dates).
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class DateRangeFilterIterator extends FilterIterator
{
    private $comparators = array();

    /**
     * Constructor.
     *
     * @param \Iterator        $iterator    The Iterator to filter
     * @param DateComparator[] $comparators An array of DateComparator instances
     */
    public function __construct(\Iterator $iterator, array $comparators)
    {
        $this->comparators = $comparators;

        parent::__construct($iterator);
    }

    /**
     * Filters the iterator values.
     *
     * @return bool true if the value should be kept, false otherwise
     */
    public function accept()
    {
        $fileinfo = $this->current();

        if (!file_exists($fileinfo->getRealPath())) {
            return false;
        }

        $filedate = $fileinfo->getMTime();
        foreach ($this->comparators as $compare) {
            if (!$compare->test($filedate)) {
                return false;
            }
        }

        return true;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

/**
 * DepthRangeFilterIterator limits the directory depth.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class DepthRangeFilterIterator extends FilterIterator
{
    private $minDepth = 0;

    /**
     * Constructor.
     *
     * @param \RecursiveIteratorIterator $iterator The Iterator to filter
     * @param int                        $minDepth The min depth
     * @param int                        $maxDepth The max depth
     */
    public function __construct(\RecursiveIteratorIterator $iterator, $minDepth = 0, $maxDepth = PHP_INT_MAX)
    {
        $this->minDepth = $minDepth;
        $iterator->setMaxDepth(PHP_INT_MAX === $maxDepth ? -1 : $maxDepth);

        parent::__construct($iterator);
    }

    /**
     * Filters the iterator values.
     *
     * @return bool true if the value should be kept, false otherwise
     */
    public function accept()
    {
        return $this->getInnerIterator()->getDepth() >= $this->minDepth;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

use Symfony\Component\Finder\SplFileInfo;

/**
 * Iterate over shell command result.
 *
 * @author Jean-FranÃ§ois Simon <contact@jfsimon.fr>
 */
class FilePathsIterator extends \ArrayIterator
{
    /**
     * @var string
     */
    private $baseDir;

    /**
     * @var int
     */
    private $baseDirLength;

    /**
     * @var string
     */
    private $subPath;

    /**
     * @var string
     */
    private $subPathname;

    /**
     * @var SplFileInfo
     */
    private $current;

    /**
     * @param array  $paths   List of paths returned by shell command
     * @param string $baseDir Base dir for relative path building
     */
    public function __construct(array $paths, $baseDir)
    {
        $this->baseDir = $baseDir;
        $this->baseDirLength = strlen($baseDir);

        parent::__construct($paths);
    }

    /**
     * @param string $name
     * @param array  $arguments
     *
     * @return mixed
     */
    public function __call($name, array $arguments)
    {
        return call_user_func_array(array($this->current(), $name), $arguments);
    }

    /**
     * Return an instance of SplFileInfo with support for relative paths.
     *
     * @return SplFileInfo File information
     */
    public function current()
    {
        return $this->current;
    }

    /**
     * @return string
     */
    public function key()
    {
        return $this->current->getPathname();
    }

    public function next()
    {
        parent::next();
        $this->buildProperties();
    }

    public function rewind()
    {
        parent::rewind();
        $this->buildProperties();
    }

    /**
     * @return string
     */
    public function getSubPath()
    {
        return $this->subPath;
    }

    /**
     * @return string
     */
    public function getSubPathname()
    {
        return $this->subPathname;
    }

    private function buildProperties()
    {
        $absolutePath = parent::current();

        if ($this->baseDir === substr($absolutePath, 0, $this->baseDirLength)) {
            $this->subPathname = ltrim(substr($absolutePath, $this->baseDirLength), '/\\');
            $dir = dirname($this->subPathname);
            $this->subPath = '.' === $dir ? '' : $dir;
        } else {
            $this->subPath = $this->subPathname = '';
        }

        $this->current = new SplFileInfo(parent::current(), $this->subPath, $this->subPathname);
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

/**
 * FileTypeFilterIterator only keeps files, directories, or both.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class FileTypeFilterIterator extends FilterIterator
{
    const ONLY_FILES = 1;
    const ONLY_DIRECTORIES = 2;

    private $mode;

    /**
     * Constructor.
     *
     * @param \Iterator $iterator The Iterator to filter
     * @param int       $mode     The mode (self::ONLY_FILES or self::ONLY_DIRECTORIES)
     */
    public function __construct(\Iterator $iterator, $mode)
    {
        $this->mode = $mode;

        parent::__construct($iterator);
    }

    /**
     * Filters the iterator values.
     *
     * @return bool true if the value should be kept, false otherwise
     */
    public function accept()
    {
        $fileinfo = $this->current();
        if (self::ONLY_DIRECTORIES === (self::ONLY_DIRECTORIES & $this->mode) && $fileinfo->isFile()) {
            return false;
        } elseif (self::ONLY_FILES === (self::ONLY_FILES & $this->mode) && $fileinfo->isDir()) {
            return false;
        }

        return true;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

/**
 * FilecontentFilterIterator filters files by their contents using patterns (regexps or strings).
 *
 * @author Fabien Potencier  <fabien@symfony.com>
 * @author WÅ‚odzimierz Gajda <gajdaw@gajdaw.pl>
 */
class FilecontentFilterIterator extends MultiplePcreFilterIterator
{
    /**
     * Filters the iterator values.
     *
     * @return bool true if the value should be kept, false otherwise
     */
    public function accept()
    {
        if (!$this->matchRegexps && !$this->noMatchRegexps) {
            return true;
        }

        $fileinfo = $this->current();

        if ($fileinfo->isDir() || !$fileinfo->isReadable()) {
            return false;
        }

        $content = $fileinfo->getContents();
        if (!$content) {
            return false;
        }

        // should at least not match one rule to exclude
        foreach ($this->noMatchRegexps as $regex) {
            if (preg_match($regex, $content)) {
                return false;
            }
        }

        // should at least match one rule
        $match = true;
        if ($this->matchRegexps) {
            $match = false;
            foreach ($this->matchRegexps as $regex) {
                if (preg_match($regex, $content)) {
                    return true;
                }
            }
        }

        return $match;
    }

    /**
     * Converts string to regexp if necessary.
     *
     * @param string $str Pattern: string or regexp
     *
     * @return string regexp corresponding to a given string or regexp
     */
    protected function toRegex($str)
    {
        return $this->isRegex($str) ? $str : '/'.preg_quote($str, '/').'/';
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

use Symfony\Component\Finder\Expression\Expression;

/**
 * FilenameFilterIterator filters files by patterns (a regexp, a glob, or a string).
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class FilenameFilterIterator extends MultiplePcreFilterIterator
{
    /**
     * Filters the iterator values.
     *
     * @return bool true if the value should be kept, false otherwise
     */
    public function accept()
    {
        $filename = $this->current()->getFilename();

        // should at least not match one rule to exclude
        foreach ($this->noMatchRegexps as $regex) {
            if (preg_match($regex, $filename)) {
                return false;
            }
        }

        // should at least match one rule
        $match = true;
        if ($this->matchRegexps) {
            $match = false;
            foreach ($this->matchRegexps as $regex) {
                if (preg_match($regex, $filename)) {
                    return true;
                }
            }
        }

        return $match;
    }

    /**
     * Converts glob to regexp.
     *
     * PCRE patterns are left unchanged.
     * Glob strings are transformed with Glob::toRegex().
     *
     * @param string $str Pattern: glob or regexp
     *
     * @return string regexp corresponding to a given glob or regexp
     */
    protected function toRegex($str)
    {
        return Expression::create($str)->getRegex()->render();
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

/**
 * This iterator just overrides the rewind method in order to correct a PHP bug.
 *
 * @see https://bugs.php.net/bug.php?id=49104
 *
 * @author Alex Bogomazov
 */
abstract class FilterIterator extends \FilterIterator
{
    /**
     * This is a workaround for the problem with \FilterIterator leaving inner \FilesystemIterator in wrong state after
     * rewind in some cases.
     *
     * @see FilterIterator::rewind()
     */
    public function rewind()
    {
        $iterator = $this;
        while ($iterator instanceof \OuterIterator) {
            $innerIterator = $iterator->getInnerIterator();

            if ($innerIterator instanceof RecursiveDirectoryIterator) {
                if ($innerIterator->isRewindable()) {
                    $innerIterator->next();
                    $innerIterator->rewind();
                }
            } elseif ($iterator->getInnerIterator() instanceof \FilesystemIterator) {
                $iterator->getInnerIterator()->next();
                $iterator->getInnerIterator()->rewind();
            }
            $iterator = $iterator->getInnerIterator();
        }

        parent::rewind();
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

use Symfony\Component\Finder\Expression\Expression;

/**
 * MultiplePcreFilterIterator filters files using patterns (regexps, globs or strings).
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
abstract class MultiplePcreFilterIterator extends FilterIterator
{
    protected $matchRegexps = array();
    protected $noMatchRegexps = array();

    /**
     * Constructor.
     *
     * @param \Iterator $iterator        The Iterator to filter
     * @param array     $matchPatterns   An array of patterns that need to match
     * @param array     $noMatchPatterns An array of patterns that need to not match
     */
    public function __construct(\Iterator $iterator, array $matchPatterns, array $noMatchPatterns)
    {
        foreach ($matchPatterns as $pattern) {
            $this->matchRegexps[] = $this->toRegex($pattern);
        }

        foreach ($noMatchPatterns as $pattern) {
            $this->noMatchRegexps[] = $this->toRegex($pattern);
        }

        parent::__construct($iterator);
    }

    /**
     * Checks whether the string is a regex.
     *
     * @param string $str
     *
     * @return bool Whether the given string is a regex
     */
    protected function isRegex($str)
    {
        return Expression::create($str)->isRegex();
    }

    /**
     * Converts string into regexp.
     *
     * @param string $str Pattern
     *
     * @return string regexp corresponding to a given string
     */
    abstract protected function toRegex($str);
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

use Symfony\Component\Finder\Comparator\NumberComparator;

/**
 * SizeRangeFilterIterator filters out files that are not in the given size range.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class SizeRangeFilterIterator extends FilterIterator
{
    private $comparators = array();

    /**
     * Constructor.
     *
     * @param \Iterator          $iterator    The Iterator to filter
     * @param NumberComparator[] $comparators An array of NumberComparator instances
     */
    public function __construct(\Iterator $iterator, array $comparators)
    {
        $this->comparators = $comparators;

        parent::__construct($iterator);
    }

    /**
     * Filters the iterator values.
     *
     * @return bool true if the value should be kept, false otherwise
     */
    public function accept()
    {
        $fileinfo = $this->current();
        if (!$fileinfo->isFile()) {
            return true;
        }

        $filesize = $fileinfo->getSize();
        foreach ($this->comparators as $compare) {
            if (!$compare->test($filesize)) {
                return false;
            }
        }

        return true;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

/**
 * SortableIterator applies a sort on a given Iterator.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class SortableIterator implements \IteratorAggregate
{
    const SORT_BY_NAME = 1;
    const SORT_BY_TYPE = 2;
    const SORT_BY_ACCESSED_TIME = 3;
    const SORT_BY_CHANGED_TIME = 4;
    const SORT_BY_MODIFIED_TIME = 5;

    private $iterator;
    private $sort;

    /**
     * Constructor.
     *
     * @param \Traversable $iterator The Iterator to filter
     * @param int|callable $sort     The sort type (SORT_BY_NAME, SORT_BY_TYPE, or a PHP callback)
     *
     * @throws \InvalidArgumentException
     */
    public function __construct(\Traversable $iterator, $sort)
    {
        $this->iterator = $iterator;

        if (self::SORT_BY_NAME === $sort) {
            $this->sort = function ($a, $b) {
                return strcmp($a->getRealpath(), $b->getRealpath());
            };
        } elseif (self::SORT_BY_TYPE === $sort) {
            $this->sort = function ($a, $b) {
                if ($a->isDir() && $b->isFile()) {
                    return -1;
                } elseif ($a->isFile() && $b->isDir()) {
                    return 1;
                }

                return strcmp($a->getRealpath(), $b->getRealpath());
            };
        } elseif (self::SORT_BY_ACCESSED_TIME === $sort) {
            $this->sort = function ($a, $b) {
                return ($a->getATime() - $b->getATime());
            };
        } elseif (self::SORT_BY_CHANGED_TIME === $sort) {
            $this->sort = function ($a, $b) {
                return ($a->getCTime() - $b->getCTime());
            };
        } elseif (self::SORT_BY_MODIFIED_TIME === $sort) {
            $this->sort = function ($a, $b) {
                return ($a->getMTime() - $b->getMTime());
            };
        } elseif (is_callable($sort)) {
            $this->sort = $sort;
        } else {
            throw new \InvalidArgumentException('The SortableIterator takes a PHP callable or a valid built-in sort algorithm as an argument.');
        }
    }

    public function getIterator()
    {
        $array = iterator_to_array($this->iterator, true);
        uasort($array, $this->sort);

        return new \ArrayIterator($array);
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

/**
 * CustomFilterIterator filters files by applying anonymous functions.
 *
 * The anonymous function receives a \SplFileInfo and must return false
 * to remove files.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class CustomFilterIterator extends FilterIterator
{
    private $filters = array();

    /**
     * Constructor.
     *
     * @param \Iterator  $iterator The Iterator to filter
     * @param callable[] $filters  An array of PHP callbacks
     *
     * @throws \InvalidArgumentException
     */
    public function __construct(\Iterator $iterator, array $filters)
    {
        foreach ($filters as $filter) {
            if (!is_callable($filter)) {
                throw new \InvalidArgumentException('Invalid PHP callback.');
            }
        }
        $this->filters = $filters;

        parent::__construct($iterator);
    }

    /**
     * Filters the iterator values.
     *
     * @return bool true if the value should be kept, false otherwise
     */
    public function accept()
    {
        $fileinfo = $this->current();

        foreach ($this->filters as $filter) {
            if (false === call_user_func($filter, $fileinfo)) {
                return false;
            }
        }

        return true;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

/**
 * ExcludeDirectoryFilterIterator filters out directories.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class ExcludeDirectoryFilterIterator extends FilterIterator implements \RecursiveIterator
{
    private $iterator;
    private $isRecursive;
    private $excludedDirs = array();
    private $excludedPattern;

    /**
     * Constructor.
     *
     * @param \Iterator $iterator    The Iterator to filter
     * @param array     $directories An array of directories to exclude
     */
    public function __construct(\Iterator $iterator, array $directories)
    {
        $this->iterator = $iterator;
        $this->isRecursive = $iterator instanceof \RecursiveIterator;
        $patterns = array();
        foreach ($directories as $directory) {
            if (!$this->isRecursive || false !== strpos($directory, '/')) {
                $patterns[] = preg_quote($directory, '#');
            } else {
                $this->excludedDirs[$directory] = true;
            }
        }
        if ($patterns) {
            $this->excludedPattern = '#(?:^|/)(?:'.implode('|', $patterns).')(?:/|$)#';
        }

        parent::__construct($iterator);
    }

    /**
     * Filters the iterator values.
     *
     * @return bool true if the value should be kept, false otherwise
     */
    public function accept()
    {
        if ($this->isRecursive && isset($this->excludedDirs[$this->getFilename()]) && $this->isDir()) {
            return false;
        }

        if ($this->excludedPattern) {
            $path = $this->isDir() ? $this->current()->getRelativePathname() : $this->current()->getRelativePath();
            $path = str_replace('\\', '/', $path);

            return !preg_match($this->excludedPattern, $path);
        }

        return true;
    }

    public function hasChildren()
    {
        return $this->isRecursive && $this->iterator->hasChildren();
    }

    public function getChildren()
    {
        $children = new self($this->iterator->getChildren(), array());
        $children->excludedDirs = $this->excludedDirs;
        $children->excludedPattern = $this->excludedPattern;

        return $children;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

/**
 * PathFilterIterator filters files by path patterns (e.g. some/special/dir).
 *
 * @author Fabien Potencier  <fabien@symfony.com>
 * @author WÅ‚odzimierz Gajda <gajdaw@gajdaw.pl>
 */
class PathFilterIterator extends MultiplePcreFilterIterator
{
    /**
     * Filters the iterator values.
     *
     * @return bool true if the value should be kept, false otherwise
     */
    public function accept()
    {
        $filename = $this->current()->getRelativePathname();

        if ('\\' === DIRECTORY_SEPARATOR) {
            $filename = str_replace('\\', '/', $filename);
        }

        // should at least not match one rule to exclude
        foreach ($this->noMatchRegexps as $regex) {
            if (preg_match($regex, $filename)) {
                return false;
            }
        }

        // should at least match one rule
        $match = true;
        if ($this->matchRegexps) {
            $match = false;
            foreach ($this->matchRegexps as $regex) {
                if (preg_match($regex, $filename)) {
                    return true;
                }
            }
        }

        return $match;
    }

    /**
     * Converts strings to regexp.
     *
     * PCRE patterns are left unchanged.
     *
     * Default conversion:
     *     'lorem/ipsum/dolor' ==>  'lorem\/ipsum\/dolor/'
     *
     * Use only / as directory separator (on Windows also).
     *
     * @param string $str Pattern: regexp or dirname.
     *
     * @return string regexp corresponding to a given string or regexp
     */
    protected function toRegex($str)
    {
        return $this->isRegex($str) ? $str : '/'.preg_quote($str, '/').'/';
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

use Symfony\Component\Finder\Exception\AccessDeniedException;
use Symfony\Component\Finder\SplFileInfo;

/**
 * Extends the \RecursiveDirectoryIterator to support relative paths.
 *
 * @author Victor Berchet <victor@suumit.com>
 */
class RecursiveDirectoryIterator extends \RecursiveDirectoryIterator
{
    /**
     * @var bool
     */
    private $ignoreUnreadableDirs;

    /**
     * @var bool
     */
    private $rewindable;

    // these 3 properties take part of the performance optimization to avoid redoing the same work in all iterations
    private $rootPath;
    private $subPath;
    private $directorySeparator = '/';

    /**
     * Constructor.
     *
     * @param string $path
     * @param int    $flags
     * @param bool   $ignoreUnreadableDirs
     *
     * @throws \RuntimeException
     */
    public function __construct($path, $flags, $ignoreUnreadableDirs = false)
    {
        if ($flags & (self::CURRENT_AS_PATHNAME | self::CURRENT_AS_SELF)) {
            throw new \RuntimeException('This iterator only support returning current as fileinfo.');
        }

        parent::__construct($path, $flags);
        $this->ignoreUnreadableDirs = $ignoreUnreadableDirs;
        $this->rootPath = (string) $path;
        if ('/' !== DIRECTORY_SEPARATOR && !($flags & self::UNIX_PATHS)) {
            $this->directorySeparator = DIRECTORY_SEPARATOR;
        }
    }

    /**
     * Return an instance of SplFileInfo with support for relative paths.
     *
     * @return SplFileInfo File information
     */
    public function current()
    {
        // the logic here avoids redoing the same work in all iterations

        if (null === $subPathname = $this->subPath) {
            $subPathname = $this->subPath = (string) $this->getSubPath();
        }
        if ('' !== $subPathname) {
            $subPathname .= $this->directorySeparator;
        }
        $subPathname .= $this->getFilename();

        return new SplFileInfo($this->rootPath.$this->directorySeparator.$subPathname, $this->subPath, $subPathname);
    }

    /**
     * @return \RecursiveIterator
     *
     * @throws AccessDeniedException
     */
    public function getChildren()
    {
        try {
            $children = parent::getChildren();

            if ($children instanceof self) {
                // parent method will call the constructor with default arguments, so unreadable dirs won't be ignored anymore
                $children->ignoreUnreadableDirs = $this->ignoreUnreadableDirs;

                // performance optimization to avoid redoing the same work in all children
                $children->rewindable = &$this->rewindable;
                $children->rootPath = $this->rootPath;
            }

            return $children;
        } catch (\UnexpectedValueException $e) {
            if ($this->ignoreUnreadableDirs) {
                // If directory is unreadable and finder is set to ignore it, a fake empty content is returned.
                return new \RecursiveArrayIterator(array());
            } else {
                throw new AccessDeniedException($e->getMessage(), $e->getCode(), $e);
            }
        }
    }

    /**
     * Do nothing for non rewindable stream.
     */
    public function rewind()
    {
        if (false === $this->isRewindable()) {
            return;
        }

        // @see https://bugs.php.net/bug.php?id=49104
        parent::next();

        parent::rewind();
    }

    /**
     * Checks if the stream is rewindable.
     *
     * @return bool true when the stream is rewindable, false otherwise
     */
    public function isRewindable()
    {
        if (null !== $this->rewindable) {
            return $this->rewindable;
        }

        if (false !== $stream = @opendir($this->getPath())) {
            $infos = stream_get_meta_data($stream);
            closedir($stream);

            if ($infos['seekable']) {
                return $this->rewindable = true;
            }
        }

        return $this->rewindable = false;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Shell;

/**
 * @author Jean-FranÃ§ois Simon <contact@jfsimon.fr>
 */
class Shell
{
    const TYPE_UNIX = 1;
    const TYPE_DARWIN = 2;
    const TYPE_CYGWIN = 3;
    const TYPE_WINDOWS = 4;
    const TYPE_BSD = 5;

    /**
     * @var string|null
     */
    private $type;

    /**
     * Returns guessed OS type.
     *
     * @return int
     */
    public function getType()
    {
        if (null === $this->type) {
            $this->type = $this->guessType();
        }

        return $this->type;
    }

    /**
     * Tests if a command is available.
     *
     * @param string $command
     *
     * @return bool
     */
    public function testCommand($command)
    {
        if (!function_exists('exec')) {
            return false;
        }

        // todo: find a better way (command could not be available)
        $testCommand = 'which ';
        if (self::TYPE_WINDOWS === $this->type) {
            $testCommand = 'where ';
        }

        $command = escapeshellcmd($command);

        exec($testCommand.$command, $output, $code);

        return 0 === $code && count($output) > 0;
    }

    /**
     * Guesses OS type.
     *
     * @return int
     */
    private function guessType()
    {
        $os = strtolower(PHP_OS);

        if (false !== strpos($os, 'cygwin')) {
            return self::TYPE_CYGWIN;
        }

        if (false !== strpos($os, 'darwin')) {
            return self::TYPE_DARWIN;
        }

        if (false !== strpos($os, 'bsd')) {
            return self::TYPE_BSD;
        }

        if (0 === strpos($os, 'win')) {
            return self::TYPE_WINDOWS;
        }

        return self::TYPE_UNIX;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Shell;

/**
 * @author Jean-FranÃ§ois Simon <contact@jfsimon.fr>
 */
class Command
{
    /**
     * @var Command|null
     */
    private $parent;

    /**
     * @var array
     */
    private $bits = array();

    /**
     * @var array
     */
    private $labels = array();

    /**
     * @var \Closure|null
     */
    private $errorHandler;

    /**
     * Constructor.
     *
     * @param Command|null $parent Parent command
     */
    public function __construct(Command $parent = null)
    {
        $this->parent = $parent;
    }

    /**
     * Returns command as string.
     *
     * @return string
     */
    public function __toString()
    {
        return $this->join();
    }

    /**
     * Creates a new Command instance.
     *
     * @param Command|null $parent Parent command
     *
     * @return Command New Command instance
     */
    public static function create(Command $parent = null)
    {
        return new self($parent);
    }

    /**
     * Escapes special chars from input.
     *
     * @param string $input A string to escape
     *
     * @return string The escaped string
     */
    public static function escape($input)
    {
        return escapeshellcmd($input);
    }

    /**
     * Quotes input.
     *
     * @param string $input An argument string
     *
     * @return string The quoted string
     */
    public static function quote($input)
    {
        return escapeshellarg($input);
    }

    /**
     * Appends a string or a Command instance.
     *
     * @param string|Command $bit
     *
     * @return Command The current Command instance
     */
    public function add($bit)
    {
        $this->bits[] = $bit;

        return $this;
    }

    /**
     * Prepends a string or a command instance.
     *
     * @param string|Command $bit
     *
     * @return Command The current Command instance
     */
    public function top($bit)
    {
        array_unshift($this->bits, $bit);

        foreach ($this->labels as $label => $index) {
            $this->labels[$label] += 1;
        }

        return $this;
    }

    /**
     * Appends an argument, will be quoted.
     *
     * @param string $arg
     *
     * @return Command The current Command instance
     */
    public function arg($arg)
    {
        $this->bits[] = self::quote($arg);

        return $this;
    }

    /**
     * Appends escaped special command chars.
     *
     * @param string $esc
     *
     * @return Command The current Command instance
     */
    public function cmd($esc)
    {
        $this->bits[] = self::escape($esc);

        return $this;
    }

    /**
     * Inserts a labeled command to feed later.
     *
     * @param string $label The unique label
     *
     * @return Command The current Command instance
     *
     * @throws \RuntimeException If label already exists
     */
    public function ins($label)
    {
        if (isset($this->labels[$label])) {
            throw new \RuntimeException(sprintf('Label "%s" already exists.', $label));
        }

        $this->bits[] = self::create($this);
        $this->labels[$label] = count($this->bits) - 1;

        return $this->bits[$this->labels[$label]];
    }

    /**
     * Retrieves a previously labeled command.
     *
     * @param string $label
     *
     * @return Command The labeled command
     *
     * @throws \RuntimeException
     */
    public function get($label)
    {
        if (!isset($this->labels[$label])) {
            throw new \RuntimeException(sprintf('Label "%s" does not exist.', $label));
        }

        return $this->bits[$this->labels[$label]];
    }

    /**
     * Returns parent command (if any).
     *
     * @return Command Parent command
     *
     * @throws \RuntimeException If command has no parent
     */
    public function end()
    {
        if (null === $this->parent) {
            throw new \RuntimeException('Calling end on root command doesn\'t make sense.');
        }

        return $this->parent;
    }

    /**
     * Counts bits stored in command.
     *
     * @return int The bits count
     */
    public function length()
    {
        return count($this->bits);
    }

    /**
     * @param \Closure $errorHandler
     *
     * @return Command
     */
    public function setErrorHandler(\Closure $errorHandler)
    {
        $this->errorHandler = $errorHandler;

        return $this;
    }

    /**
     * @return \Closure|null
     */
    public function getErrorHandler()
    {
        return $this->errorHandler;
    }

    /**
     * Executes current command.
     *
     * @return array The command result
     *
     * @throws \RuntimeException
     */
    public function execute()
    {
        if (null === $errorHandler = $this->errorHandler) {
            exec($this->join(), $output);
        } else {
            $process = proc_open($this->join(), array(0 => array('pipe', 'r'), 1 => array('pipe', 'w'), 2 => array('pipe', 'w')), $pipes);
            $output = preg_split('~(\r\n|\r|\n)~', stream_get_contents($pipes[1]), -1, PREG_SPLIT_NO_EMPTY);

            if ($error = stream_get_contents($pipes[2])) {
                $errorHandler($error);
            }

            proc_close($process);
        }

        return $output ?: array();
    }

    /**
     * Joins bits.
     *
     * @return string
     */
    public function join()
    {
        return implode(' ', array_filter(
            array_map(function ($bit) {
                return $bit instanceof Command ? $bit->join() : ($bit ?: null);
            }, $this->bits),
            function ($bit) { return null !== $bit; }
        ));
    }

    /**
     * Insert a string or a Command instance before the bit at given position $index (index starts from 0).
     *
     * @param string|Command $bit
     * @param int            $index
     *
     * @return Command The current Command instance
     */
    public function addAtIndex($bit, $index)
    {
        array_splice($this->bits, $index, 0, $bit instanceof self ? array($bit) : $bit);

        return $this;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder;

/**
 * Extends \SplFileInfo to support relative paths.
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class SplFileInfo extends \SplFileInfo
{
    private $relativePath;
    private $relativePathname;

    /**
     * Constructor.
     *
     * @param string $file             The file name
     * @param string $relativePath     The relative path
     * @param string $relativePathname The relative path name
     */
    public function __construct($file, $relativePath, $relativePathname)
    {
        parent::__construct($file);
        $this->relativePath = $relativePath;
        $this->relativePathname = $relativePathname;
    }

    /**
     * Returns the relative path.
     *
     * @return string the relative path
     */
    public function getRelativePath()
    {
        return $this->relativePath;
    }

    /**
     * Returns the relative path name.
     *
     * @return string the relative path name
     */
    public function getRelativePathname()
    {
        return $this->relativePathname;
    }

    /**
     * Returns the contents of the file.
     *
     * @return string the contents of the file
     *
     * @throws \RuntimeException
     */
    public function getContents()
    {
        $level = error_reporting(0);
        $content = file_get_contents($this->getPathname());
        error_reporting($level);
        if (false === $content) {
            $error = error_get_last();
            throw new \RuntimeException($error['message']);
        }

        return $content;
    }
}
<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder;

use Symfony\Component\Finder\Adapter\AdapterInterface;
use Symfony\Component\Finder\Adapter\GnuFindAdapter;
use Symfony\Component\Finder\Adapter\BsdFindAdapter;
use Symfony\Component\Finder\Adapter\PhpAdapter;
use Symfony\Component\Finder\Comparator\DateComparator;
use Symfony\Component\Finder\Comparator\NumberComparator;
use Symfony\Component\Finder\Exception\ExceptionInterface;
use Symfony\Component\Finder\Iterator\CustomFilterIterator;
use Symfony\Component\Finder\Iterator\DateRangeFilterIterator;
use Symfony\Component\Finder\Iterator\DepthRangeFilterIterator;
use Symfony\Component\Finder\Iterator\ExcludeDirectoryFilterIterator;
use Symfony\Component\Finder\Iterator\FilecontentFilterIterator;
use Symfony\Component\Finder\Iterator\FilenameFilterIterator;
use Symfony\Component\Finder\Iterator\SizeRangeFilterIterator;
use Symfony\Component\Finder\Iterator\SortableIterator;

/**
 * Finder allows to build rules to find files and directories.
 *
 * It is a thin wrapper around several specialized iterator classes.
 *
 * All rules may be invoked several times.
 *
 * All methods return the current Finder object to allow easy chaining:
 *
 * $finder = Finder::create()->files()->name('*.php')->in(__DIR__);
 *
 * @author Fabien Potencier <fabien@symfony.com>
 */
class Finder implements \IteratorAggregate, \Countable
{
    const IGNORE_VCS_FILES = 1;
    const IGNORE_DOT_FILES = 2;

    private $mode = 0;
    private $names = array();
    private $notNames = array();
    private $exclude = array();
    private $filters = array();
    private $depths = array();
    private $sizes = array();
    private $followLinks = false;
    private $sort = false;
    private $ignore = 0;
    private $dirs = array();
    private $dates = array();
    private $iterators = array();
    private $contains = array();
    private $notContains = array();
    private $adapters = array();
    private $paths = array();
    private $notPaths = array();
    private $ignoreUnreadableDirs = false;

    private static $vcsPatterns = array('.svn', '_svn', 'CVS', '_darcs', '.arch-params', '.monotone', '.bzr', '.git', '.hg');

    /**
     * Constructor.
     */
    public function __construct()
    {
        $this->ignore = static::IGNORE_VCS_FILES | static::IGNORE_DOT_FILES;

        $this
            ->addAdapter(new GnuFindAdapter())
            ->addAdapter(new BsdFindAdapter())
            ->addAdapter(new PhpAdapter(), -50)
            ->setAdapter('php')
        ;
    }

    /**
     * Creates a new Finder.
     *
     * @return Finder A new Finder instance
     */
    public static function create()
    {
        return new static();
    }

    /**
     * Registers a finder engine implementation.
     *
     * @param AdapterInterface $adapter  An adapter instance
     * @param int              $priority Highest is selected first
     *
     * @return Finder The current Finder instance
     */
    public function addAdapter(AdapterInterface $adapter, $priority = 0)
    {
        $this->adapters[$adapter->getName()] = array(
            'adapter' => $adapter,
            'priority' => $priority,
            'selected' => false,
        );

        return $this->sortAdapters();
    }

    /**
     * Sets the selected adapter to the best one according to the current platform the code is run on.
     *
     * @return Finder The current Finder instance
     */
    public function useBestAdapter()
    {
        $this->resetAdapterSelection();

        return $this->sortAdapters();
    }

    /**
     * Selects the adapter to use.
     *
     * @param string $name
     *
     * @throws \InvalidArgumentException
     *
     * @return Finder The current Finder instance
     */
    public function setAdapter($name)
    {
        if (!isset($this->adapters[$name])) {
            throw new \InvalidArgumentException(sprintf('Adapter "%s" does not exist.', $name));
        }

        $this->resetAdapterSelection();
        $this->adapters[$name]['selected'] = true;

        return $this->sortAdapters();
    }

    /**
     * Removes all adapters registered in the finder.
     *
     * @return Finder The current Finder instance
     */
    public function removeAdapters()
    {
        $this->adapters = array();

        return $this;
    }

    /**
     * Returns registered adapters ordered by priority without extra information.
     *
     * @return AdapterInterface[]
     */
    public function getAdapters()
    {
        return array_values(array_map(function (array $adapter) {
            return $adapter['adapter'];
        }, $this->adapters));
    }

    /**
     * Restricts the matching to directories only.
     *
     * @return Finder The current Finder instance
     */
    public function directories()
    {
        $this->mode = Iterator\FileTypeFilterIterator::ONLY_DIRECTORIES;

        return $this;
    }

    /**
     * Restricts the matching to files only.
     *
     * @return Finder The current Finder instance
     */
    public function files()
    {
        $this->mode = Iterator\FileTypeFilterIterator::ONLY_FILES;

        return $this;
    }

    /**
     * Adds tests for the directory depth.
     *
     * Usage:
     *
     *   $finder->depth('> 1') // the Finder will start matching at level 1.
     *   $finder->depth('< 3') // the Finder will descend at most 3 levels of directories below the starting point.
     *
     * @param int $level The depth level expression
     *
     * @return Finder The current Finder instance
     *
     * @see DepthRangeFilterIterator
     * @see NumberComparator
     */
    public function depth($level)
    {
        $this->depths[] = new Comparator\NumberComparator($level);

        return $this;
    }

    /**
     * Adds tests for file dates (last modified).
     *
     * The date must be something that strtotime() is able to parse:
     *
     *   $finder->date('since yesterday');
     *   $finder->date('until 2 days ago');
     *   $finder->date('> now - 2 hours');
     *   $finder->date('>= 2005-10-15');
     *
     * @param string $date A date range string
     *
     * @return Finder The current Finder instance
     *
     * @see strtotime
     * @see DateRangeFilterIterator
     * @see DateComparator
     */
    public function date($date)
    {
        $this->dates[] = new Comparator\DateComparator($date);

        return $this;
    }

    /**
     * Adds rules that files must match.
     *
     * You can use patterns (delimited with / sign), globs or simple strings.
     *
     * $finder->name('*.php')
     * $finder->name('/\.php$/') // same as above
     * $finder->name('test.php')
     *
     * @param string $pattern A pattern (a regexp, a glob, or a string)
     *
     * @return Finder The current Finder instance
     *
     * @see FilenameFilterIterator
     */
    public function name($pattern)
    {
        $this->names[] = $pattern;

        return $this;
    }

    /**
     * Adds rules that files must not match.
     *
     * @param string $pattern A pattern (a regexp, a glob, or a string)
     *
     * @return Finder The current Finder instance
     *
     * @see FilenameFilterIterator
     */
    public function notName($pattern)
    {
        $this->notNames[] = $pattern;

        return $this;
    }

    /**
     * Adds tests that file contents must match.
     *
     * Strings or PCRE patterns can be used:
     *
     * $finder->contains('Lorem ipsum')
     * $finder->contains('/Lorem ipsum/i')
     *
     * @param string $pattern A pattern (string or regexp)
     *
     * @return Finder The current Finder instance
     *
     * @see FilecontentFilterIterator
     */
    public function contains($pattern)
    {
        $this->contains[] = $pattern;

        return $this;
    }

    /**
     * Adds tests that file contents must not match.
     *
     * Strings or PCRE patterns can be used:
     *
     * $finder->notContains('Lorem ipsum')
     * $finder->notContains('/Lorem ipsum/i')
     *
     * @param string $pattern A pattern (string or regexp)
     *
     * @return Finder The current Finder instance
     *
     * @see FilecontentFilterIterator
     */
    public function notContains($pattern)
    {
        $this->notContains[] = $pattern;

        return $this;
    }

    /**
     * Adds rules that filenames must match.
     *
     * You can use patterns (delimited with / sign) or simple strings.
     *
     * $finder->path('some/special/dir')
     * $finder->path('/some\/special\/dir/') // same as above
     *
     * Use only / as dirname separator.
     *
     * @param string $pattern A pattern (a regexp or a string)
     *
     * @return Finder The current Finder instance
     *
     * @see FilenameFilterIterator
     */
    public function path($pattern)
    {
        $this->paths[] = $pattern;

        return $this;
    }

    /**
     * Adds rules that filenames must not match.
     *
     * You can use patterns (delimited with / sign) or simple strings.
     *
     * $finder->notPath('some/special/dir')
     * $finder->notPath('/some\/special\/dir/') // same as above
     *
     * Use only / as dirname separator.
     *
     * @param string $pattern A pattern (a regexp or a string)
     *
     * @return Finder The current Finder instance
     *
     * @see FilenameFilterIterator
     */
    public function notPath($pattern)
    {
        $this->notPaths[] = $pattern;

        return $this;
    }

    /**
     * Adds tests for file sizes.
     *
     * $finder->size('> 10K');
     * $finder->size('<= 1Ki');
     * $finder->size(4);
     *
     * @param string $size A size range string
     *
     * @return Finder The current Finder instance
     *
     * @see SizeRangeFilterIterator
     * @see NumberComparator
     */
    public function size($size)
    {
        $this->sizes[] = new Comparator\NumberComparator($size);

        return $this;
    }

    /**
     * Excludes directories.
     *
     * @param string|array $dirs A directory path or an array of directories
     *
     * @return Finder The current Finder instance
     *
     * @see ExcludeDirectoryFilterIterator
     */
    public function exclude($dirs)
    {
        $this->exclude = array_merge($this->exclude, (array) $dirs);

        return $this;
    }

    /**
     * Excludes "hidden" directories and files (starting with a dot).
     *
     * @param bool $ignoreDotFiles Whether to exclude "hidden" files or not
     *
     * @return Finder The current Finder instance
     *
     * @see ExcludeDirectoryFilterIterator
     */
    public function ignoreDotFiles($ignoreDotFiles)
    {
        if ($ignoreDotFiles) {
            $this->ignore |= static::IGNORE_DOT_FILES;
        } else {
            $this->ignore &= ~static::IGNORE_DOT_FILES;
        }

        return $this;
    }

    /**
     * Forces the finder to ignore version control directories.
     *
     * @param bool $ignoreVCS Whether to exclude VCS files or not
     *
     * @return Finder The current Finder instance
     *
     * @see ExcludeDirectoryFilterIterator
     */
    public function ignoreVCS($ignoreVCS)
    {
        if ($ignoreVCS) {
            $this->ignore |= static::IGNORE_VCS_FILES;
        } else {
            $this->ignore &= ~static::IGNORE_VCS_FILES;
        }

        return $this;
    }

    /**
     * Adds VCS patterns.
     *
     * @see ignoreVCS()
     *
     * @param string|string[] $pattern VCS patterns to ignore
     */
    public static function addVCSPattern($pattern)
    {
        foreach ((array) $pattern as $p) {
            self::$vcsPatterns[] = $p;
        }

        self::$vcsPatterns = array_unique(self::$vcsPatterns);
    }

    /**
     * Sorts files and directories by an anonymous function.
     *
     * The anonymous function receives two \SplFileInfo instances to compare.
     *
     * This can be slow as all the matching files and directories must be retrieved for comparison.
     *
     * @param \Closure $closure An anonymous function
     *
     * @return Finder The current Finder instance
     *
     * @see SortableIterator
     */
    public function sort(\Closure $closure)
    {
        $this->sort = $closure;

        return $this;
    }

    /**
     * Sorts files and directories by name.
     *
     * This can be slow as all the matching files and directories must be retrieved for comparison.
     *
     * @return Finder The current Finder instance
     *
     * @see SortableIterator
     */
    public function sortByName()
    {
        $this->sort = Iterator\SortableIterator::SORT_BY_NAME;

        return $this;
    }

    /**
     * Sorts files and directories by type (directories before files), then by name.
     *
     * This can be slow as all the matching files and directories must be retrieved for comparison.
     *
     * @return Finder The current Finder instance
     *
     * @see SortableIterator
     */
    public function sortByType()
    {
        $this->sort = Iterator\SortableIterator::SORT_BY_TYPE;

        return $this;
    }

    /**
     * Sorts files and directories by the last accessed time.
     *
     * This is the time that the file was last accessed, read or written to.
     *
     * This can be slow as all the matching files and directories must be retrieved for comparison.
     *
     * @return Finder The current Finder instance
     *
     * @see SortableIterator
     */
    public function sortByAccessedTime()
    {
        $this->sort = Iterator\SortableIterator::SORT_BY_ACCESSED_TIME;

        return $this;
    }

    /**
     * Sorts files and directories by the last inode changed time.
     *
     * This is the time that the inode information was last modified (permissions, owner, group or other metadata).
     *
     * On Windows, since inode is not available, changed time is actually the file creation time.
     *
     * This can be slow as all the matching files and directories must be retrieved for comparison.
     *
     * @return Finder The current Finder instance
     *
     * @see SortableIterator
     */
    public function sortByChangedTime()
    {
        $this->sort = Iterator\SortableIterator::SORT_BY_CHANGED_TIME;

        return $this;
    }

    /**
     * Sorts files and directories by the last modified time.
     *
     * This is the last time the actual contents of the file were last modified.
     *
     * This can be slow as all the matching files and directories must be retrieved for comparison.
     *
     * @return Finder The current Finder instance
     *
     * @see SortableIterator
     */
    public function sortByModifiedTime()
    {
        $this->sort = Iterator\SortableIterator::SORT_BY_MODIFIED_TIME;

        return $this;
    }

    /**
     * Filters the iterator with an anonymous function.
     *
     * The anonymous function receives a \SplFileInfo and must return false
     * to remove files.
     *
     * @param \Closure $closure An anonymous function
     *
     * @return Finder The current Finder instance
     *
     * @see CustomFilterIterator
     */
    public function filter(\Closure $closure)
    {
        $this->filters[] = $closure;

        return $this;
    }

    /**
     * Forces the following of symlinks.
     *
     * @return Finder The current Finder instance
     */
    public function followLinks()
    {
        $this->followLinks = true;

        return $this;
    }

    /**
     * Tells finder to ignore unreadable directories.
     *
     * By default, scanning unreadable directories content throws an AccessDeniedException.
     *
     * @param bool $ignore
     *
     * @return Finder The current Finder instance
     */
    public function ignoreUnreadableDirs($ignore = true)
    {
        $this->ignoreUnreadableDirs = (bool) $ignore;

        return $this;
    }

    /**
     * Searches files and directories which match defined rules.
     *
     * @param string|array $dirs A directory path or an array of directories
     *
     * @return Finder The current Finder instance
     *
     * @throws \InvalidArgumentException if one of the directories does not exist
     */
    public function in($dirs)
    {
        $resolvedDirs = array();

        foreach ((array) $dirs as $dir) {
            if (is_dir($dir)) {
                $resolvedDirs[] = $dir;
            } elseif ($glob = glob($dir, (defined('GLOB_BRACE') ? GLOB_BRACE : 0) | GLOB_ONLYDIR)) {
                $resolvedDirs = array_merge($resolvedDirs, $glob);
            } else {
                throw new \InvalidArgumentException(sprintf('The "%s" directory does not exist.', $dir));
            }
        }

        $this->dirs = array_merge($this->dirs, $resolvedDirs);

        return $this;
    }

    /**
     * Returns an Iterator for the current Finder configuration.
     *
     * This method implements the IteratorAggregate interface.
     *
     * @return \Iterator An iterator
     *
     * @throws \LogicException if the in() method has not been called
     */
    public function getIterator()
    {
        if (0 === count($this->dirs) && 0 === count($this->iterators)) {
            throw new \LogicException('You must call one of in() or append() methods before iterating over a Finder.');
        }

        if (1 === count($this->dirs) && 0 === count($this->iterators)) {
            return $this->searchInDirectory($this->dirs[0]);
        }

        $iterator = new \AppendIterator();
        foreach ($this->dirs as $dir) {
            $iterator->append($this->searchInDirectory($dir));
        }

        foreach ($this->iterators as $it) {
            $iterator->append($it);
        }

        return $iterator;
    }

    /**
     * Appends an existing set of files/directories to the finder.
     *
     * The set can be another Finder, an Iterator, an IteratorAggregate, or even a plain array.
     *
     * @param mixed $iterator
     *
     * @return Finder The finder
     *
     * @throws \InvalidArgumentException When the given argument is not iterable.
     */
    public function append($iterator)
    {
        if ($iterator instanceof \IteratorAggregate) {
            $this->iterators[] = $iterator->getIterator();
        } elseif ($iterator instanceof \Iterator) {
            $this->iterators[] = $iterator;
        } elseif ($iterator instanceof \Traversable || is_array($iterator)) {
            $it = new \ArrayIterator();
            foreach ($iterator as $file) {
                $it->append($file instanceof \SplFileInfo ? $file : new \SplFileInfo($file));
            }
            $this->iterators[] = $it;
        } else {
            throw new \InvalidArgumentException('Finder::append() method wrong argument type.');
        }

        return $this;
    }

    /**
     * Counts all the results collected by the iterators.
     *
     * @return int
     */
    public function count()
    {
        return iterator_count($this->getIterator());
    }

    /**
     * @return Finder The current Finder instance
     */
    private function sortAdapters()
    {
        uasort($this->adapters, function (array $a, array $b) {
            if ($a['selected'] || $b['selected']) {
                return $a['selected'] ? -1 : 1;
            }

            return $a['priority'] > $b['priority'] ? -1 : 1;
        });

        return $this;
    }

    /**
     * @param $dir
     *
     * @return \Iterator
     *
     * @throws \RuntimeException When none of the adapters are supported
     */
    private function searchInDirectory($dir)
    {
        if (static::IGNORE_VCS_FILES === (static::IGNORE_VCS_FILES & $this->ignore)) {
            $this->exclude = array_merge($this->exclude, self::$vcsPatterns);
        }

        if (static::IGNORE_DOT_FILES === (static::IGNORE_DOT_FILES & $this->ignore)) {
            $this->notPaths[] = '#(^|/)\..+(/|$)#';
        }

        foreach ($this->adapters as $adapter) {
            if ($adapter['adapter']->isSupported()) {
                try {
                    return $this
                        ->buildAdapter($adapter['adapter'])
                        ->searchInDirectory($dir);
                } catch (ExceptionInterface $e) {
                }
            }
        }

        throw new \RuntimeException('No supported adapter found.');
    }

    /**
     * @param AdapterInterface $adapter
     *
     * @return AdapterInterface
     */
    private function buildAdapter(AdapterInterface $adapter)
    {
        return $adapter
            ->setFollowLinks($this->followLinks)
            ->setDepths($this->depths)
            ->setMode($this->mode)
            ->setExclude($this->exclude)
            ->setNames($this->names)
            ->setNotNames($this->notNames)
            ->setContains($this->contains)
            ->setNotContains($this->notContains)
            ->setSizes($this->sizes)
            ->setDates($this->dates)
            ->setFilters($this->filters)
            ->setSort($this->sort)
            ->setPath($this->paths)
            ->setNotPath($this->notPaths)
            ->ignoreUnreadableDirs($this->ignoreUnreadableDirs);
    }

    /**
     * Unselects all adapters.
     */
    private function resetAdapterSelection()
    {
        $this->adapters = array_map(function (array $properties) {
            $properties['selected'] = false;

            return $properties;
        }, $this->adapters);
    }
}
<?php
class Oxymel {
	private $xml;
	private $dom;
	private $current_element;
	private $last_inserted;
	private $go_deep_on_next_element = 0;
	private $go_up_on_next_element = 0;
	private $nesting_level = 0;
	private $contains_nesting_level = 0;
	private $indentation= '  ';

	public function __construct() {
		$this->xml = '';
		$this->init_new_dom();
	}

	public function to_string() {
		return $this->xml .= $this->indent( $this->xml_from_dom(), $this->nesting_level );
	}

	public function __call( $name, $args ) {
		array_unshift( $args, $name );
		return call_user_func_array( array( $this, 'tag' ), $args );
	}

	public function __get( $name ) {
		return $this->$name();
	}

	public function contains() {
		$this->contains_nesting_level++;
		$this->nesting_level++;
		if ( $this->go_deep_on_next_element ) {
			throw new OxymelException( 'contains cannot be used consecutively more than once' );
		}
		$this->go_deep_on_next_element++;
		return $this;
	}

	public function end() {
		$this->contains_nesting_level--;
		$this->nesting_level--;
		if ( $this->contains_nesting_level < 0 ) {
			throw new OxymelException( 'end is used without a matching contains' );
		}
		$this->go_up_on_next_element++;
		return $this;
	}

	public function tag( $name, $content_or_attributes = null, $attributes = array() ) {
		list( $content, $attributes ) = $this->get_content_and_attributes_from_tag_args( $content_or_attributes, $attributes );
		$is_opening =  0 === strpos( $name, 'open_' );
		$is_closing =  0 === strpos( $name, 'close_' );
		$name = preg_replace("/^(open|close)_/", '', $name );

		$element = $this->create_element( $name, $content, $attributes );

		if ( !$is_opening && !$is_closing )
			$this->add_element_to_dom( $element );
		elseif ( $is_opening )
			$this->add_opening_tag_from_element( $element );
		elseif ( $is_closing )
			$this->add_closing_tag_from_tag_name( $name );

		return $this;
	}

	public function cdata( $text ) {
		$this->add_element_to_dom( $this->dom->createCDATASection( $text ) );
		return $this;
	}

	public function text( $text ) {
		$this->add_element_to_dom( $this->dom->createTextNode( $text ) );
		return $this;
	}

	public function comment( $text ) {
		$this->add_element_to_dom( $this->dom->createComment( $text ) );
		return $this;
	}

	public function xml() {
		$this->add_element_to_dom( $this->dom->createProcessingInstruction( 'xml', 'version="1.0" encoding="UTF-8"' ) );
		return $this;
	}

	public function oxymel( Oxymel $other ) {
		foreach( $other->dom->childNodes as $child ) {
			$child = $this->dom->importNode( $child, true );
			$this->add_element_to_dom( $child );
		}
		return $this;
	}

	public function raw(  $raw_xml ) {
		if ( !$raw_xml ) {
			return $this;
		}
		$fragment = $this->dom->createDocumentFragment();
		$fragment->appendXML($raw_xml);
		$this->add_element_to_dom( $fragment );
		return $this;
	}

	private function add_element_to_dom( $element ) {
		$this->move_current_element_deep();
		$this->move_current_element_up();
		$this->last_inserted = $this->current_element->appendChild($element);
	}

	private function move_current_element_deep() {
		if ( $this->go_deep_on_next_element ) {
			if ( !$this->last_inserted ) {
				throw new OxymelException( 'contains has been used before adding any tags' );
			}
			$this->current_element = $this->last_inserted;
			$this->go_deep_on_next_element--;
		}
	}

	private function move_current_element_up() {
		if ( $this->go_up_on_next_element ) {
			while ( $this->go_up_on_next_element ) {
				$this->current_element = $this->current_element->parentNode;
				$this->go_up_on_next_element--;
			}
		}
	}

	private function get_content_and_attributes_from_tag_args( $content_or_attributes, array $attributes ) {
		$content = null;
		if ( !$attributes ) {
			if ( is_array( $content_or_attributes ) )
				$attributes = $content_or_attributes;
			else
				$content = $content_or_attributes;
		} else {
			$content = $content_or_attributes;
		}
		return array( $content, $attributes );
	}

	private function init_new_dom() {
		unset( $this->dom, $this->current_element );
		$this->dom = new DOMDocument();
		$this->dom->formatOutput = true;
		$this->current_element = $this->dom;
		$this->last_inserted = null;
	}

	private function xml_from_dom() {
		if ( 0 !== $this->contains_nesting_level ) {
			throw new OxymelException( 'contains and end calls do not match' );
		}
		$xml = '';
		foreach( $this->dom->childNodes as $child ) {
			$xml .= $this->dom->saveXML( $child ) . "\n";
		}
		return $xml;
	}

	private function create_element( $name, $content, $attributes ) {
		if ( !is_null( $content ) )
			$element = $this->dom->createElement( $name, $content );
		else
			$element = $this->dom->createElement( $name );

		foreach( $attributes as $attribute_name => $attribute_value ) {
			$element->setAttribute( $attribute_name, $attribute_value );
		}

		return $element;
	}

	private function add_opening_tag_from_element( $element ) {
		$this->xml .= $this->indent( $this->xml_from_dom(), $this->nesting_level );
		$tag = $this->dom->saveXML($element);
		$this->xml .= $this->indent( str_replace( '/>', '>', $tag ) . "\n", $this->nesting_level );
		$this->nesting_level++;
		$this->init_new_dom();
	}

	private function add_closing_tag_from_tag_name( $name ) {
		$this->xml .= $this->xml_from_dom();
		$this->nesting_level--;
		if ( $this->nesting_level < 0 ) {
			$this->xml = $this->indent( $this->xml, -$this->nesting_level );
			$this->nesting_level = 0;
		}
		$this->xml .= $this->indent( "</$name>\n", $this->nesting_level );
		$this->init_new_dom();
	}

	private function indent( $string, $level ) {
		if ( !$level ) {
			return $string;
		}
		$lines = explode( "\n", $string );
		foreach( $lines as &$line ) {
			if ( !trim( $line ) )
				continue;
			$line = str_repeat( $this->indentation, $level ) . $line;
		}
		return implode( "\n", $lines );
	}
}

class OxymelException extends Exception {
}
<?php
require_once dirname( __FILE__ ) . '/Oxymel.php';

class OxymelTest extends PHPUnit_Framework_TestCase {
	function __construct() {
		$this->x = new Oxymel;
	}

	function test_xml_adds_procesing_instrution_with_version_and_encoding() {
		$this->a( '<?xml version="1.0" encoding="UTF-8"?>', $this->x->xml );
	}

	function test_self_closing() {
		$this->a('<baba/>', $this->x->baba);
	}
	function test_self_closing_method() {
		$this->a('<baba/>', $this->x->baba());
	}
	function test_attribute_no_content() {
		$this->a('<baba a="b" c="d"/>', $this->x->baba( array( 'a' => 'b', 'c' => 'd' ) ) );
	}

	function test_content_no_attribute() {
		$this->a('<baba>content</baba>', $this->x->baba( 'content' ) );
	}

	function test_escapiing_of_content() {
		$this->a('<baba>&lt;</baba>', $this->x->baba( '<' ) );
	}

	function test_escaping_of_attributes() {
		$this->a('<baba a="&lt;"/>', $this->x->baba( array( 'a' => '<' ) ) );
	}

	function test_content_and_attributes() {
		$this->a('<baba a="b" c="d">content</baba>', $this->x->baba( 'content', array( 'a' => 'b', 'c' => 'd' ) ) );
	}

	function test_content_and_attributes_error() {
		$this->setExpectedException( 'PHPUnit_Framework_Error' );
		$this->a('<baba a="b" c="d">content</baba>', $this->x->baba( array( 'a' => 'b', 'c' => 'd' ), 'content' ) );
	}

	function test_go_down() {
		$this->a('<baba>
  <dyado/>
</baba>', $this->x->baba->contains->dyado->end );
	}

	function test_go_down_and_up() {
		$this->a("<level0>
  <level1/>
</level0>
<level0/>", $this->x->level0->contains->level1->end->level0 );
	}

	function test_cdata() {
		$this->a('<baba><![CDATA[content]]></baba>', $this->x->baba->contains->cdata('content')->end);
	}

	function test_nested_cdata() {
		$this->a( '<![CDATA[x]]]]><![CDATA[>]]>', $this->x->cdata( 'x]]>' ) );
	}

	function test_raw() {
		$this->a('<baba>
  <dyado/>
</baba>', $this->x->baba->contains->raw('<dyado></dyado>')->end);
	}

	function test_raw_doesnt_do_anything_with_empty_arg() {
		$this->a('<baba/>', $this->x->baba->raw( '' ) );
	}

	function test_oxymel_ns() {
		$oxymel = new Oxymel;
		$oxymel->tag( 'wp:baba' );
		$this->a( '<wp:baba/>', $this->x->oxymel( $oxymel ) );
	}

	function x_test_only_up_error() {
		$this->a('', $this->x->end );
	}

	function test_open_in_the_end() {
		$this->a("<baba/>
<newtag>", $this->x->baba->open_newtag );
	}

	function test_open_with_attributes() {
		$this->a("<baba/>
<newtag a=\"b\">", $this->x->baba->open_newtag( array( 'a' => 'b' ) ) );
	}

	function test_dom_open_dom() {
		$this->a("<baba/>
<newtag>
  <baba/>", $this->x->baba->open_newtag->baba );
	}

	function test_close_in_the_beginning() {
		$this->a("</oldtag>
<baba/>", $this->x->close_oldtag->baba );
	}

	function test_dom_close_dom() {
		$this->a("  <baba/>
</oldtag>
<baba/>", $this->x->baba->close_oldtag->baba );
	}

	function test_baba() {
		$this->a("<a>baba<x/></a>", $this->x->a('baba')->contains->x->end );
	}

	function test_comment() {
		$this->a('<!--baba-->', $this->x->comment('baba'));
	}

	function test_two_invocations() {
		$this->x->baba();
		$this->x->dyado();
		$this->a( "<baba/>
<dyado/>", $this->x );
	}

	function test_double_end() {
		$this->a( "<out>
  <mid>
    <in/>
  </mid>
</out>
<nextout/>", $this->x->out->contains->mid->contains->in->end->end->nextout );
	}

	function test_end_without_contains() {
		$this->setExpectedException( 'OxymelException' );
		$this->x->end->baba;
	}

	function test_leading_contains() {
		$this->setExpectedException( 'OxymelException' );
		$this->a( '<baba/>', $this->x->contains->baba );
	}

	function test_consecutive_contains_should_error() {
		$this->setExpectedException( 'OxymelException' );
		$this->x->baba->contains->contains->dyado->end->wink;
	}

	function test_end_without_mathcing_contains_but_with_enough_parents() {
		$this->setExpectedException( 'OxymelException' );
		$this->x->contains->baba->end->end->baba;
	}

	function test_contains_after_newly_initialized_dom_should_error() {
		$this->setExpectedException( 'OxymelException' );
		$this->x->baba->open_rss->contains->baba->end;
	}

	function test_nested_open_tags_should_be_indented() {
		$this->a( "<baba>
  <baba>", $this->x->open_baba->open_baba );
	}

	function test_normal_xml_between_two_opening_tags_should_be_indented() {
		$this->a( "<baba>
  <baba/>
  <baba>", $this->x->open_baba->baba->open_baba );
	}

	function test_normal_xml_after_opening_tag_should_be_indented() {
		$this->a( "<baba>
  <baba/>", $this->x->open_baba->baba );
	}

	function test_normal_xml_before_closing_tag_should_be_indented() {
		$this->a( "  <baba/>
</baba>", $this->x->baba->close_baba );
	}

	function test_text_should_escape_the_content_inside() {
		$this->a( 'a &amp; b', $this->x->text( 'a & b' ) );
	}

	function test_dangling_contains_should_be_caught_in_the_end() {
		$this->setExpectedException( 'OxymelException' );
		$this->x->contains->to_string();
	}

	private function a($value, $x) {
		$this->assertEquals( $value . "\n", $x->to_string());
	}
}
<?php
/**
 * This file is part of the array_column library
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * @copyright Copyright (c) Ben Ramsey (http://benramsey.com)
 * @license http://opensource.org/licenses/MIT MIT
 */

if (!function_exists('array_column')) {
    /**
     * Returns the values from a single column of the input array, identified by
     * the $columnKey.
     *
     * Optionally, you may provide an $indexKey to index the values in the returned
     * array by the values from the $indexKey column in the input array.
     *
     * @param array $input A multi-dimensional array (record set) from which to pull
     *                     a column of values.
     * @param mixed $columnKey The column of values to return. This value may be the
     *                         integer key of the column you wish to retrieve, or it
     *                         may be the string key name for an associative array.
     * @param mixed $indexKey (Optional.) The column to use as the index/keys for
     *                        the returned array. This value may be the integer key
     *                        of the column, or it may be the string key name.
     * @return array
     */
    function array_column($input = null, $columnKey = null, $indexKey = null)
    {
        // Using func_get_args() in order to check for proper number of
        // parameters and trigger errors exactly as the built-in array_column()
        // does in PHP 5.5.
        $argc = func_num_args();
        $params = func_get_args();

        if ($argc < 2) {
            trigger_error("array_column() expects at least 2 parameters, {$argc} given", E_USER_WARNING);
            return null;
        }

        if (!is_array($params[0])) {
            trigger_error(
                'array_column() expects parameter 1 to be array, ' . gettype($params[0]) . ' given',
                E_USER_WARNING
            );
            return null;
        }

        if (!is_int($params[1])
            && !is_float($params[1])
            && !is_string($params[1])
            && $params[1] !== null
            && !(is_object($params[1]) && method_exists($params[1], '__toString'))
        ) {
            trigger_error('array_column(): The column key should be either a string or an integer', E_USER_WARNING);
            return false;
        }

        if (isset($params[2])
            && !is_int($params[2])
            && !is_float($params[2])
            && !is_string($params[2])
            && !(is_object($params[2]) && method_exists($params[2], '__toString'))
        ) {
            trigger_error('array_column(): The index key should be either a string or an integer', E_USER_WARNING);
            return false;
        }

        $paramsInput = $params[0];
        $paramsColumnKey = ($params[1] !== null) ? (string) $params[1] : null;

        $paramsIndexKey = null;
        if (isset($params[2])) {
            if (is_float($params[2]) || is_int($params[2])) {
                $paramsIndexKey = (int) $params[2];
            } else {
                $paramsIndexKey = (string) $params[2];
            }
        }

        $resultArray = array();

        foreach ($paramsInput as $row) {
            $key = $value = null;
            $keySet = $valueSet = false;

            if ($paramsIndexKey !== null && array_key_exists($paramsIndexKey, $row)) {
                $keySet = true;
                $key = (string) $row[$paramsIndexKey];
            }

            if ($paramsColumnKey === null) {
                $valueSet = true;
                $value = $row;
            } elseif (is_array($row) && array_key_exists($paramsColumnKey, $row)) {
                $valueSet = true;
                $value = $row[$paramsColumnKey];
            }

            if ($valueSet) {
                if ($keySet) {
                    $resultArray[$key] = $value;
                } else {
                    $resultArray[] = $value;
                }
            }

        }

        return $resultArray;
    }

}
<?php
/**
   * Spyc -- A Simple PHP YAML Class
   * @version 0.5.1
   * @author Vlad Andersen <vlad.andersen@gmail.com>
   * @author Chris Wanstrath <chris@ozmm.org>
   * @link http://code.google.com/p/spyc/
   * @copyright Copyright 2005-2006 Chris Wanstrath, 2006-2011 Vlad Andersen
   * @license http://www.opensource.org/licenses/mit-license.php MIT License
   * @package Spyc
   */

if (!function_exists('spyc_load')) {
  /**
   * Parses YAML to array.
   * @param string $string YAML string.
   * @return array
   */
  function spyc_load ($string) {
    return Spyc::YAMLLoadString($string);
  }
}

if (!function_exists('spyc_load_file')) {
  /**
   * Parses YAML to array.
   * @param string $file Path to YAML file.
   * @return array
   */
  function spyc_load_file ($file) {
    return Spyc::YAMLLoad($file);
  }
}

/**
   * The Simple PHP YAML Class.
   *
   * This class can be used to read a YAML file and convert its contents
   * into a PHP array.  It currently supports a very limited subsection of
   * the YAML spec.
   *
   * Usage:
   * <code>
   *   $Spyc  = new Spyc;
   *   $array = $Spyc->load($file);
   * </code>
   * or:
   * <code>
   *   $array = Spyc::YAMLLoad($file);
   * </code>
   * or:
   * <code>
   *   $array = spyc_load_file($file);
   * </code>
   * @package Spyc
   */
class Spyc {

  // SETTINGS

  const REMPTY = "\0\0\0\0\0";

  /**
   * Setting this to true will force YAMLDump to enclose any string value in
   * quotes.  False by default.
   *
   * @var bool
   */
  public $setting_dump_force_quotes = false;

  /**
   * Setting this to true will forse YAMLLoad to use syck_load function when
   * possible. False by default.
   * @var bool
   */
  public $setting_use_syck_is_possible = false;


  /**#@+
  * @access private
  * @var mixed
  */
  private $_dumpIndent;
  private $_dumpWordWrap;
  private $_containsGroupAnchor = false;
  private $_containsGroupAlias = false;
  private $path;
  private $result;
  private $LiteralPlaceHolder = '___YAML_Literal_Block___';
  private $SavedGroups = array();
  private $indent;
  /**
   * Path modifier that should be applied after adding current element.
   * @var array
   */
  private $delayedPath = array();

  /**#@+
  * @access public
  * @var mixed
  */
  public $_nodeId;

/**
 * Load a valid YAML string to Spyc.
 * @param string $input
 * @return array
 */
  public function load ($input) {
    return $this->__loadString($input);
  }

 /**
 * Load a valid YAML file to Spyc.
 * @param string $file
 * @return array
 */
  public function loadFile ($file) {
    return $this->__load($file);
  }

  /**
     * Load YAML into a PHP array statically
     *
     * The load method, when supplied with a YAML stream (string or file),
     * will do its best to convert YAML in a file into a PHP array.  Pretty
     * simple.
     *  Usage:
     *  <code>
     *   $array = Spyc::YAMLLoad('lucky.yaml');
     *   print_r($array);
     *  </code>
     * @access public
     * @return array
     * @param string $input Path of YAML file or string containing YAML
     */
  public static function YAMLLoad($input) {
    $Spyc = new Spyc;
    return $Spyc->__load($input);
  }

  /**
     * Load a string of YAML into a PHP array statically
     *
     * The load method, when supplied with a YAML string, will do its best
     * to convert YAML in a string into a PHP array.  Pretty simple.
     *
     * Note: use this function if you don't want files from the file system
     * loaded and processed as YAML.  This is of interest to people concerned
     * about security whose input is from a string.
     *
     *  Usage:
     *  <code>
     *   $array = Spyc::YAMLLoadString("---\n0: hello world\n");
     *   print_r($array);
     *  </code>
     * @access public
     * @return array
     * @param string $input String containing YAML
     */
  public static function YAMLLoadString($input) {
    $Spyc = new Spyc;
    return $Spyc->__loadString($input);
  }

  /**
     * Dump YAML from PHP array statically
     *
     * The dump method, when supplied with an array, will do its best
     * to convert the array into friendly YAML.  Pretty simple.  Feel free to
     * save the returned string as nothing.yaml and pass it around.
     *
     * Oh, and you can decide how big the indent is and what the wordwrap
     * for folding is.  Pretty cool -- just pass in 'false' for either if
     * you want to use the default.
     *
     * Indent's default is 2 spaces, wordwrap's default is 40 characters.  And
     * you can turn off wordwrap by passing in 0.
     *
     * @access public
     * @return string
     * @param array $array PHP array
     * @param int $indent Pass in false to use the default, which is 2
     * @param int $wordwrap Pass in 0 for no wordwrap, false for default (40)
     */
  public static function YAMLDump($array,$indent = false,$wordwrap = false) {
    $spyc = new Spyc;
    return $spyc->dump($array,$indent,$wordwrap);
  }


  /**
     * Dump PHP array to YAML
     *
     * The dump method, when supplied with an array, will do its best
     * to convert the array into friendly YAML.  Pretty simple.  Feel free to
     * save the returned string as tasteful.yaml and pass it around.
     *
     * Oh, and you can decide how big the indent is and what the wordwrap
     * for folding is.  Pretty cool -- just pass in 'false' for either if
     * you want to use the default.
     *
     * Indent's default is 2 spaces, wordwrap's default is 40 characters.  And
     * you can turn off wordwrap by passing in 0.
     *
     * @access public
     * @return string
     * @param array $array PHP array
     * @param int $indent Pass in false to use the default, which is 2
     * @param int $wordwrap Pass in 0 for no wordwrap, false for default (40)
     */
  public function dump($array,$indent = false,$wordwrap = false) {
    // Dumps to some very clean YAML.  We'll have to add some more features
    // and options soon.  And better support for folding.

    // New features and options.
    if ($indent === false or !is_numeric($indent)) {
      $this->_dumpIndent = 2;
    } else {
      $this->_dumpIndent = $indent;
    }

    if ($wordwrap === false or !is_numeric($wordwrap)) {
      $this->_dumpWordWrap = 40;
    } else {
      $this->_dumpWordWrap = $wordwrap;
    }

    // New YAML document
    $string = "---\n";

    // Start at the base of the array and move through it.
    if ($array) {
      $array = (array)$array;
      $previous_key = -1;
      foreach ($array as $key => $value) {
        if (!isset($first_key)) $first_key = $key;
        $string .= $this->_yamlize($key,$value,0,$previous_key, $first_key, $array);
        $previous_key = $key;
      }
    }
    return $string;
  }

  /**
     * Attempts to convert a key / value array item to YAML
     * @access private
     * @return string
     * @param $key The name of the key
     * @param $value The value of the item
     * @param $indent The indent of the current node
     */
  private function _yamlize($key,$value,$indent, $previous_key = -1, $first_key = 0, $source_array = null) {
    if (is_array($value)) {
      if (empty ($value))
        return $this->_dumpNode($key, array(), $indent, $previous_key, $first_key, $source_array);
      // It has children.  What to do?
      // Make it the right kind of item
      $string = $this->_dumpNode($key, self::REMPTY, $indent, $previous_key, $first_key, $source_array);
      // Add the indent
      $indent += $this->_dumpIndent;
      // Yamlize the array
      $string .= $this->_yamlizeArray($value,$indent);
    } elseif (!is_array($value)) {
      // It doesn't have children.  Yip.
      $string = $this->_dumpNode($key, $value, $indent, $previous_key, $first_key, $source_array);
    }
    return $string;
  }

  /**
     * Attempts to convert an array to YAML
     * @access private
     * @return string
     * @param $array The array you want to convert
     * @param $indent The indent of the current level
     */
  private function _yamlizeArray($array,$indent) {
    if (is_array($array)) {
      $string = '';
      $previous_key = -1;
      foreach ($array as $key => $value) {
        if (!isset($first_key)) $first_key = $key;
        $string .= $this->_yamlize($key, $value, $indent, $previous_key, $first_key, $array);
        $previous_key = $key;
      }
      return $string;
    } else {
      return false;
    }
  }

  /**
     * Returns YAML from a key and a value
     * @access private
     * @return string
     * @param $key The name of the key
     * @param $value The value of the item
     * @param $indent The indent of the current node
     */
  private function _dumpNode($key, $value, $indent, $previous_key = -1, $first_key = 0, $source_array = null) {
    // do some folding here, for blocks
    if (is_string ($value) && ((strpos($value,"\n") !== false || strpos($value,": ") !== false || strpos($value,"- ") !== false ||
      strpos($value,"*") !== false || strpos($value,"#") !== false || strpos($value,"<") !== false || strpos($value,">") !== false || strpos ($value, '  ') !== false ||
      strpos($value,"[") !== false || strpos($value,"]") !== false || strpos($value,"{") !== false || strpos($value,"}") !== false) || strpos($value,"&") !== false || strpos($value, "'") !== false || strpos($value, "!") === 0 ||
      substr ($value, -1, 1) == ':')
    ) {
      $value = $this->_doLiteralBlock($value,$indent);
    } else {
      $value  = $this->_doFolding($value,$indent);
    }

    if ($value === array()) $value = '[ ]';
    if (in_array ($value, array ('true', 'TRUE', 'false', 'FALSE', 'y', 'Y', 'n', 'N', 'null', 'NULL'), true)) {
       $value = $this->_doLiteralBlock($value,$indent);
    }
    if (trim ($value) != $value)
       $value = $this->_doLiteralBlock($value,$indent);

    if (is_bool($value)) {
       $value = ($value) ? "true" : "false";
    }

    if ($value === null) $value = 'null';
    if ($value === "'" . self::REMPTY . "'") $value = null;

    $spaces = str_repeat(' ',$indent);

    //if (is_int($key) && $key - 1 == $previous_key && $first_key===0) {
    if (is_array ($source_array) && array_keys($source_array) === range(0, count($source_array) - 1)) {
      // It's a sequence
      $string = $spaces.'- '.$value."\n";
    } else {
      // if ($first_key===0)  throw new Exception('Keys are all screwy.  The first one was zero, now it\'s "'. $key .'"');
      // It's mapped
      if (strpos($key, ":") !== false || strpos($key, "#") !== false) { $key = '"' . $key . '"'; }
      $string = rtrim ($spaces.$key.': '.$value)."\n";
    }
    return $string;
  }

  /**
     * Creates a literal block for dumping
     * @access private
     * @return string
     * @param $value
     * @param $indent int The value of the indent
     */
  private function _doLiteralBlock($value,$indent) {
    if ($value === "\n") return '\n';
    if (strpos($value, "\n") === false && strpos($value, "'") === false) {
      return sprintf ("'%s'", $value);
    }
    if (strpos($value, "\n") === false && strpos($value, '"') === false) {
      return sprintf ('"%s"', $value);
    }
    $exploded = explode("\n",$value);
    $newValue = '|';
    $indent  += $this->_dumpIndent;
    $spaces   = str_repeat(' ',$indent);
    foreach ($exploded as $line) {
      $newValue .= "\n" . $spaces . ($line);
    }
    return $newValue;
  }

  /**
     * Folds a string of text, if necessary
     * @access private
     * @return string
     * @param $value The string you wish to fold
     */
  private function _doFolding($value,$indent) {
    // Don't do anything if wordwrap is set to 0

    if ($this->_dumpWordWrap !== 0 && is_string ($value) && strlen($value) > $this->_dumpWordWrap) {
      $indent += $this->_dumpIndent;
      $indent = str_repeat(' ',$indent);
      $wrapped = wordwrap($value,$this->_dumpWordWrap,"\n$indent");
      $value   = ">\n".$indent.$wrapped;
    } else {
      if ($this->setting_dump_force_quotes && is_string ($value) && $value !== self::REMPTY)
        $value = '"' . $value . '"';
    }


    return $value;
  }

// LOADING FUNCTIONS

  private function __load($input) {
    $Source = $this->loadFromSource($input);
    return $this->loadWithSource($Source);
  }

  private function __loadString($input) {
    $Source = $this->loadFromString($input);
    return $this->loadWithSource($Source);
  }

  private function loadWithSource($Source) {
    if (empty ($Source)) return array();
    if ($this->setting_use_syck_is_possible && function_exists ('syck_load')) {
      $array = syck_load (implode ('', $Source));
      return is_array($array) ? $array : array();
    }

    $this->path = array();
    $this->result = array();

    $cnt = count($Source);
    for ($i = 0; $i < $cnt; $i++) {
      $line = $Source[$i];

      $this->indent = strlen($line) - strlen(ltrim($line));
      $tempPath = $this->getParentPathByIndent($this->indent);
      $line = self::stripIndent($line, $this->indent);
      if (self::isComment($line)) continue;
      if (self::isEmpty($line)) continue;
      $this->path = $tempPath;

      $literalBlockStyle = self::startsLiteralBlock($line);
      if ($literalBlockStyle) {
        $line = rtrim ($line, $literalBlockStyle . " \n");
        $literalBlock = '';
        $line .= $this->LiteralPlaceHolder;
        $literal_block_indent = strlen($Source[$i+1]) - strlen(ltrim($Source[$i+1]));
        while (++$i < $cnt && $this->literalBlockContinues($Source[$i], $this->indent)) {
          $literalBlock = $this->addLiteralLine($literalBlock, $Source[$i], $literalBlockStyle, $literal_block_indent);
        }
        $i--;
      }

      // Strip out comments
      if (strpos ($line, '#')) {
          $line = preg_replace('/\s*#([^"\']+)$/','',$line);
      }

      while (++$i < $cnt && self::greedilyNeedNextLine($line)) {
        $line = rtrim ($line, " \n\t\r") . ' ' . ltrim ($Source[$i], " \t");
      }
      $i--;

      $lineArray = $this->_parseLine($line);

      if ($literalBlockStyle)
        $lineArray = $this->revertLiteralPlaceHolder ($lineArray, $literalBlock);

      $this->addArray($lineArray, $this->indent);

      foreach ($this->delayedPath as $indent => $delayedPath)
        $this->path[$indent] = $delayedPath;

      $this->delayedPath = array();

    }
    return $this->result;
  }

  private function loadFromSource ($input) {
    if (!empty($input) && strpos($input, "\n") === false && file_exists($input))
    return file($input);

    return $this->loadFromString($input);
  }

  private function loadFromString ($input) {
    $lines = explode("\n",$input);
    foreach ($lines as $k => $_) {
      $lines[$k] = rtrim ($_, "\r");
    }
    return $lines;
  }

  /**
     * Parses YAML code and returns an array for a node
     * @access private
     * @return array
     * @param string $line A line from the YAML file
     */
  private function _parseLine($line) {
    if (!$line) return array();
    $line = trim($line);
    if (!$line) return array();

    $array = array();

    $group = $this->nodeContainsGroup($line);
    if ($group) {
      $this->addGroup($line, $group);
      $line = $this->stripGroup ($line, $group);
    }

    if ($this->startsMappedSequence($line))
      return $this->returnMappedSequence($line);

    if ($this->startsMappedValue($line))
      return $this->returnMappedValue($line);

    if ($this->isArrayElement($line))
     return $this->returnArrayElement($line);

    if ($this->isPlainArray($line))
     return $this->returnPlainArray($line);


    return $this->returnKeyValuePair($line);

  }

  /**
     * Finds the type of the passed value, returns the value as the new type.
     * @access private
     * @param string $value
     * @return mixed
     */
  private function _toType($value) {
    if ($value === '') return null;
    $first_character = $value[0];
    $last_character = substr($value, -1, 1);

    $is_quoted = false;
    do {
      if (!$value) break;
      if ($first_character != '"' && $first_character != "'") break;
      if ($last_character != '"' && $last_character != "'") break;
      $is_quoted = true;
    } while (0);

    if ($is_quoted)
      return strtr(substr ($value, 1, -1), array ('\\"' => '"', '\'\'' => '\'', '\\\'' => '\''));

    if (strpos($value, ' #') !== false && !$is_quoted)
      $value = preg_replace('/\s+#(.+)$/','',$value);

    if (!$is_quoted) $value = str_replace('\n', "\n", $value);

    if ($first_character == '[' && $last_character == ']') {
      // Take out strings sequences and mappings
      $innerValue = trim(substr ($value, 1, -1));
      if ($innerValue === '') return array();
      $explode = $this->_inlineEscape($innerValue);
      // Propagate value array
      $value  = array();
      foreach ($explode as $v) {
        $value[] = $this->_toType($v);
      }
      return $value;
    }

    if (strpos($value,': ')!==false && $first_character != '{') {
      $array = explode(': ',$value);
      $key   = trim($array[0]);
      array_shift($array);
      $value = trim(implode(': ',$array));
      $value = $this->_toType($value);
      return array($key => $value);
    }

    if ($first_character == '{' && $last_character == '}') {
      $innerValue = trim(substr ($value, 1, -1));
      if ($innerValue === '') return array();
      // Inline Mapping
      // Take out strings sequences and mappings
      $explode = $this->_inlineEscape($innerValue);
      // Propagate value array
      $array = array();
      foreach ($explode as $v) {
        $SubArr = $this->_toType($v);
        if (empty($SubArr)) continue;
        if (is_array ($SubArr)) {
          $array[key($SubArr)] = $SubArr[key($SubArr)]; continue;
        }
        $array[] = $SubArr;
      }
      return $array;
    }

    if ($value == 'null' || $value == 'NULL' || $value == 'Null' || $value == '' || $value == '~') {
      return null;
    }

    if ( is_numeric($value) && preg_match ('/^(-|)[1-9]+[0-9]*$/', $value) ){
      $intvalue = (int)$value;
      if ($intvalue != PHP_INT_MAX)
        $value = $intvalue;
      return $value;
    }

    if (in_array($value,
                 array('true', 'on', '+', 'yes', 'y', 'True', 'TRUE', 'On', 'ON', 'YES', 'Yes', 'Y'))) {
      return true;
    }

    if (in_array(strtolower($value),
                 array('false', 'off', '-', 'no', 'n'))) {
      return false;
    }

    if (is_numeric($value)) {
      if ($value === '0') return 0;
      if (rtrim ($value, 0) === $value)
        $value = (float)$value;
      return $value;
    }

    return $value;
  }

  /**
     * Used in inlines to check for more inlines or quoted strings
     * @access private
     * @return array
     */
  private function _inlineEscape($inline) {
    // There's gotta be a cleaner way to do this...
    // While pure sequences seem to be nesting just fine,
    // pure mappings and mappings with sequences inside can't go very
    // deep.  This needs to be fixed.

    $seqs = array();
    $maps = array();
    $saved_strings = array();

    // Check for strings
    $regex = '/(?:(")|(?:\'))((?(1)[^"]+|[^\']+))(?(1)"|\')/';
    if (preg_match_all($regex,$inline,$strings)) {
      $saved_strings = $strings[0];
      $inline  = preg_replace($regex,'YAMLString',$inline);
    }
    unset($regex);

    $i = 0;
    do {

    // Check for sequences
    while (preg_match('/\[([^{}\[\]]+)\]/U',$inline,$matchseqs)) {
      $seqs[] = $matchseqs[0];
      $inline = preg_replace('/\[([^{}\[\]]+)\]/U', ('YAMLSeq' . (count($seqs) - 1) . 's'), $inline, 1);
    }

    // Check for mappings
    while (preg_match('/{([^\[\]{}]+)}/U',$inline,$matchmaps)) {
      $maps[] = $matchmaps[0];
      $inline = preg_replace('/{([^\[\]{}]+)}/U', ('YAMLMap' . (count($maps) - 1) . 's'), $inline, 1);
    }

    if ($i++ >= 10) break;

    } while (strpos ($inline, '[') !== false || strpos ($inline, '{') !== false);

    $explode = explode(',',$inline);
    $explode = array_map('trim', $explode);
    $stringi = 0; $i = 0;

    while (1) {

    // Re-add the sequences
    if (!empty($seqs)) {
      foreach ($explode as $key => $value) {
        if (strpos($value,'YAMLSeq') !== false) {
          foreach ($seqs as $seqk => $seq) {
            $explode[$key] = str_replace(('YAMLSeq'.$seqk.'s'),$seq,$value);
            $value = $explode[$key];
          }
        }
      }
    }

    // Re-add the mappings
    if (!empty($maps)) {
      foreach ($explode as $key => $value) {
        if (strpos($value,'YAMLMap') !== false) {
          foreach ($maps as $mapk => $map) {
            $explode[$key] = str_replace(('YAMLMap'.$mapk.'s'), $map, $value);
            $value = $explode[$key];
          }
        }
      }
    }


    // Re-add the strings
    if (!empty($saved_strings)) {
      foreach ($explode as $key => $value) {
        while (strpos($value,'YAMLString') !== false) {
          $explode[$key] = preg_replace('/YAMLString/',$saved_strings[$stringi],$value, 1);
          unset($saved_strings[$stringi]);
          ++$stringi;
          $value = $explode[$key];
        }
      }
    }

    $finished = true;
    foreach ($explode as $key => $value) {
      if (strpos($value,'YAMLSeq') !== false) {
        $finished = false; break;
      }
      if (strpos($value,'YAMLMap') !== false) {
        $finished = false; break;
      }
      if (strpos($value,'YAMLString') !== false) {
        $finished = false; break;
      }
    }
    if ($finished) break;

    $i++;
    if ($i > 10)
      break; // Prevent infinite loops.
    }

    return $explode;
  }

  private function literalBlockContinues ($line, $lineIndent) {
    if (!trim($line)) return true;
    if (strlen($line) - strlen(ltrim($line)) > $lineIndent) return true;
    return false;
  }

  private function referenceContentsByAlias ($alias) {
    do {
      if (!isset($this->SavedGroups[$alias])) { echo "Bad group name: $alias."; break; }
      $groupPath = $this->SavedGroups[$alias];
      $value = $this->result;
      foreach ($groupPath as $k) {
        $value = $value[$k];
      }
    } while (false);
    return $value;
  }

  private function addArrayInline ($array, $indent) {
      $CommonGroupPath = $this->path;
      if (empty ($array)) return false;

      foreach ($array as $k => $_) {
        $this->addArray(array($k => $_), $indent);
        $this->path = $CommonGroupPath;
      }
      return true;
  }

  private function addArray ($incoming_data, $incoming_indent) {

   // print_r ($incoming_data);

    if (count ($incoming_data) > 1)
      return $this->addArrayInline ($incoming_data, $incoming_indent);

    $key = key ($incoming_data);
    $value = isset($incoming_data[$key]) ? $incoming_data[$key] : null;
    if ($key === '__!YAMLZero') $key = '0';

    if ($incoming_indent == 0 && !$this->_containsGroupAlias && !$this->_containsGroupAnchor) { // Shortcut for root-level values.
      if ($key || $key === '' || $key === '0') {
        $this->result[$key] = $value;
      } else {
        $this->result[] = $value; end ($this->result); $key = key ($this->result);
      }
      $this->path[$incoming_indent] = $key;
      return;
    }


    $history = array();
    // Unfolding inner array tree.
    $history[] = $_arr = $this->result;
    foreach ($this->path as $k) {
      $history[] = $_arr = $_arr[$k];
    }

    if ($this->_containsGroupAlias) {
      $value = $this->referenceContentsByAlias($this->_containsGroupAlias);
      $this->_containsGroupAlias = false;
    }


    // Adding string or numeric key to the innermost level or $this->arr.
    if (is_string($key) && $key == '<<') {
      if (!is_array ($_arr)) { $_arr = array (); }

      $_arr = array_merge ($_arr, $value);
    } else if ($key || $key === '' || $key === '0') {
      if (!is_array ($_arr))
        $_arr = array ($key=>$value);
      else
        $_arr[$key] = $value;
    } else {
      if (!is_array ($_arr)) { $_arr = array ($value); $key = 0; }
      else { $_arr[] = $value; end ($_arr); $key = key ($_arr); }
    }

    $reverse_path = array_reverse($this->path);
    $reverse_history = array_reverse ($history);
    $reverse_history[0] = $_arr;
    $cnt = count($reverse_history) - 1;
    for ($i = 0; $i < $cnt; $i++) {
      $reverse_history[$i+1][$reverse_path[$i]] = $reverse_history[$i];
    }
    $this->result = $reverse_history[$cnt];

    $this->path[$incoming_indent] = $key;

    if ($this->_containsGroupAnchor) {
      $this->SavedGroups[$this->_containsGroupAnchor] = $this->path;
      if (is_array ($value)) {
        $k = key ($value);
        if (!is_int ($k)) {
          $this->SavedGroups[$this->_containsGroupAnchor][$incoming_indent + 2] = $k;
        }
      }
      $this->_containsGroupAnchor = false;
    }

  }

  private static function startsLiteralBlock ($line) {
    $lastChar = substr (trim($line), -1);
    if ($lastChar != '>' && $lastChar != '|') return false;
    if ($lastChar == '|') return $lastChar;
    // HTML tags should not be counted as literal blocks.
    if (preg_match ('#<.*?>$#', $line)) return false;
    return $lastChar;
  }

  private static function greedilyNeedNextLine($line) {
    $line = trim ($line);
    if (!strlen($line)) return false;
    if (substr ($line, -1, 1) == ']') return false;
    if ($line[0] == '[') return true;
    if (preg_match ('#^[^:]+?:\s*\[#', $line)) return true;
    return false;
  }

  private function addLiteralLine ($literalBlock, $line, $literalBlockStyle, $indent = -1) {
    $line = self::stripIndent($line, $indent);
    if ($literalBlockStyle !== '|') {
        $line = self::stripIndent($line);
    }
    $line = rtrim ($line, "\r\n\t ") . "\n";
    if ($literalBlockStyle == '|') {
      return $literalBlock . $line;
    }
    if (strlen($line) == 0)
      return rtrim($literalBlock, ' ') . "\n";
    if ($line == "\n" && $literalBlockStyle == '>') {
      return rtrim ($literalBlock, " \t") . "\n";
    }
    if ($line != "\n")
      $line = trim ($line, "\r\n ") . " ";
    return $literalBlock . $line;
  }

   function revertLiteralPlaceHolder ($lineArray, $literalBlock) {
     foreach ($lineArray as $k => $_) {
      if (is_array($_))
        $lineArray[$k] = $this->revertLiteralPlaceHolder ($_, $literalBlock);
      else if (substr($_, -1 * strlen ($this->LiteralPlaceHolder)) == $this->LiteralPlaceHolder)
	       $lineArray[$k] = rtrim ($literalBlock, " \r\n");
     }
     return $lineArray;
   }

  private static function stripIndent ($line, $indent = -1) {
    if ($indent == -1) $indent = strlen($line) - strlen(ltrim($line));
    return substr ($line, $indent);
  }

  private function getParentPathByIndent ($indent) {
    if ($indent == 0) return array();
    $linePath = $this->path;
    do {
      end($linePath); $lastIndentInParentPath = key($linePath);
      if ($indent <= $lastIndentInParentPath) array_pop ($linePath);
    } while ($indent <= $lastIndentInParentPath);
    return $linePath;
  }


  private function clearBiggerPathValues ($indent) {


    if ($indent == 0) $this->path = array();
    if (empty ($this->path)) return true;

    foreach ($this->path as $k => $_) {
      if ($k > $indent) unset ($this->path[$k]);
    }

    return true;
  }


  private static function isComment ($line) {
    if (!$line) return false;
    if ($line[0] == '#') return true;
    if (trim($line, " \r\n\t") == '---') return true;
    return false;
  }

  private static function isEmpty ($line) {
    return (trim ($line) === '');
  }


  private function isArrayElement ($line) {
    if (!$line) return false;
    if ($line[0] != '-') return false;
    if (strlen ($line) > 3)
      if (substr($line,0,3) == '---') return false;

    return true;
  }

  private function isHashElement ($line) {
    return strpos($line, ':');
  }

  private function isLiteral ($line) {
    if ($this->isArrayElement($line)) return false;
    if ($this->isHashElement($line)) return false;
    return true;
  }


  private static function unquote ($value) {
    if (!$value) return $value;
    if (!is_string($value)) return $value;
    if ($value[0] == '\'') return trim ($value, '\'');
    if ($value[0] == '"') return trim ($value, '"');
    return $value;
  }

  private function startsMappedSequence ($line) {
    return ($line[0] == '-' && substr ($line, -1, 1) == ':');
  }

  private function returnMappedSequence ($line) {
    $array = array();
    $key         = self::unquote(trim(substr($line,1,-1)));
    $array[$key] = array();
    $this->delayedPath = array(strpos ($line, $key) + $this->indent => $key);
    return array($array);
  }

  private function returnMappedValue ($line) {
    $array = array();
    $key         = self::unquote (trim(substr($line,0,-1)));
    $array[$key] = '';
    return $array;
  }

  private function startsMappedValue ($line) {
    return (substr ($line, -1, 1) == ':');
  }

  private function isPlainArray ($line) {
    return ($line[0] == '[' && substr ($line, -1, 1) == ']');
  }

  private function returnPlainArray ($line) {
    return $this->_toType($line);
  }

  private function returnKeyValuePair ($line) {
    $array = array();
    $key = '';
    if (strpos ($line, ':')) {
      // It's a key/value pair most likely
      // If the key is in double quotes pull it out
      if (($line[0] == '"' || $line[0] == "'") && preg_match('/^(["\'](.*)["\'](\s)*:)/',$line,$matches)) {
        $value = trim(str_replace($matches[1],'',$line));
        $key   = $matches[2];
      } else {
        // Do some guesswork as to the key and the value
        $explode = explode(':',$line);
        $key     = trim($explode[0]);
        array_shift($explode);
        $value   = trim(implode(':',$explode));
      }
      // Set the type of the value.  Int, string, etc
      $value = $this->_toType($value);
      if ($key === '0') $key = '__!YAMLZero';
      $array[$key] = $value;
    } else {
      $array = array ($line);
    }
    return $array;

  }


  private function returnArrayElement ($line) {
     if (strlen($line) <= 1) return array(array()); // Weird %)
     $array = array();
     $value   = trim(substr($line,1));
     $value   = $this->_toType($value);
     $array[] = $value;
     return $array;
  }


  private function nodeContainsGroup ($line) {
    $symbolsForReference = 'A-z0-9_\-';
    if (strpos($line, '&') === false && strpos($line, '*') === false) return false; // Please die fast ;-)
    if ($line[0] == '&' && preg_match('/^(&['.$symbolsForReference.']+)/', $line, $matches)) return $matches[1];
    if ($line[0] == '*' && preg_match('/^(\*['.$symbolsForReference.']+)/', $line, $matches)) return $matches[1];
    if (preg_match('/(&['.$symbolsForReference.']+)$/', $line, $matches)) return $matches[1];
    if (preg_match('/(\*['.$symbolsForReference.']+$)/', $line, $matches)) return $matches[1];
    if (preg_match ('#^\s*<<\s*:\s*(\*[^\s]+).*$#', $line, $matches)) return $matches[1];
    return false;

  }

  private function addGroup ($line, $group) {
    if ($group[0] == '&') $this->_containsGroupAnchor = substr ($group, 1);
    if ($group[0] == '*') $this->_containsGroupAlias = substr ($group, 1);
    //print_r ($this->path);
  }

  private function stripGroup ($line, $group) {
    $line = trim(str_replace($group, '', $line));
    return $line;
  }
}

// Enable use of Spyc from command line
// The syntax is the following: php Spyc.php spyc.yaml

define ('SPYC_FROM_COMMAND_LINE', false);

do {
  if (!SPYC_FROM_COMMAND_LINE) break;
  if (empty ($_SERVER['argc']) || $_SERVER['argc'] < 2) break;
  if (empty ($_SERVER['PHP_SELF']) || $_SERVER['PHP_SELF'] != 'Spyc.php') break;
  $file = $argv[1];
  printf ("Spyc loading file: %s\n", $file);
  print_r (spyc_load_file ($file));
} while (0);
<?php

#
#    S P Y C
#      a simple php yaml class
#
# Feel free to dump an array to YAML, and then to load that YAML back into an
# array.  This is a good way to test the limitations of the parser and maybe
# learn some basic YAML.
#

include('../Spyc.php');

$array[] = 'Sequence item';
$array['The Key'] = 'Mapped value';
$array[] = array('A sequence','of a sequence');
$array[] = array('first' => 'A sequence','second' => 'of mapped values');
$array['Mapped'] = array('A sequence','which is mapped');
$array['A Note'] = 'What if your text is too long?';
$array['Another Note'] = 'If that is the case, the dumper will probably fold your text by using a block.  Kinda like this.';
$array['The trick?'] = 'The trick is that we overrode the default indent, 2, to 4 and the default wordwrap, 40, to 60.';
$array['Old Dog'] = "And if you want\n to preserve line breaks, \ngo ahead!";
$array['key:withcolon'] = "Should support this to";

$yaml = Spyc::YAMLDump($array,4,60);
<?php

#
#    S P Y C
#      a simple php yaml class
#
# license: [MIT License, http://www.opensource.org/licenses/mit-license.php]
#

include('../Spyc.php');

$array = Spyc::YAMLLoad('../spyc.yaml');

echo '<pre><a href="spyc.yaml">spyc.yaml</a> loaded into PHP:<br/>';
print_r($array);
echo '</pre>';


echo '<pre>YAML Data dumped back:<br/>';
echo Spyc::YAMLDump($array);
echo '</pre>';
<?php

php5to4 ("../spyc.php", 'spyc-latest.php4');

function php5to4 ($src, $dest) {
  $code = file_get_contents ($src);
  $code = preg_replace ('#(public|private|protected)\s+\$#i', 'var \$', $code);
  $code = preg_replace ('#(public|private|protected)\s+static\s+\$#i', 'var \$', $code);
  $code = preg_replace ('#(public|private|protected)\s+function#i', 'function', $code);
  $code = preg_replace ('#(public|private|protected)\s+static\s+function#i', 'function', $code);
  $code = preg_replace ('#throw new Exception\\(([^)]*)\\)#i', 'trigger_error($1,E_USER_ERROR)', $code);
  $code = str_replace ('self::', '$this->', $code);
  $f = fopen ($dest, 'w');
  fwrite($f, $code);
  fclose ($f);
  print "Written to $dest.\n";
}# This file is for unifying the coding style for different editors and IDEs
# editorconfig.org

# WordPress Coding Standards
# https://make.wordpress.org/core/handbook/coding-standards/

root = true

[*]
charset = utf-8
end_of_line = lf
insert_final_newline = true
trim_trailing_whitespace = true
indent_style = tab

[{.jshintrc,*.json,*.yml}]
indent_style = space
indent_size = 2

[{*.txt,wp-config-sample.php}]
end_of_line = crlf
language: php

notifications:
  email:
    on_success: never
    on_failure: change

php:
  - 5.3
  - 5.6

env:
{{#wp_versions_to_test}}
  - WP_VERSION={{.}} WP_MULTISITE=0
{{/wp_versions_to_test}}

matrix:
  include:
    - php: 5.3
      env: WP_VERSION=latest WP_MULTISITE=1

before_script:
  - bash bin/install-wp-tests.sh wordpress_test root '' localhost $WP_VERSION

script: phpunit
language: php

php:
    - 5.3
    - 5.5

env:
    global:
         - WP_CLI_BIN_DIR=/tmp/wp-cli-phar
         - WP_CLI_CONFIG_PATH=/tmp/wp-cli-phar/config.yml

before_script:
    - bash bin/install-package-tests.sh

script: ./vendor/bin/behat
<?php

$_tests_dir = getenv( 'WP_TESTS_DIR' );
if ( ! $_tests_dir ) {
	$_tests_dir = '/tmp/wordpress-tests-lib';
}

require_once $_tests_dir . '/includes/functions.php';

function _manually_load_plugin() {
	require dirname( dirname( __FILE__ ) ) . '/{{plugin_slug}}.php';
}
tests_add_filter( 'muplugins_loaded', '_manually_load_plugin' );

require $_tests_dir . '/includes/bootstrap.php';
/*
Theme Name:     {{theme_name}}
Theme URI:      {{theme_uri}}
Description:    {{description}}
Author:         {{author}}
Author URI:     {{author_uri}}
Template:       {{parent_theme}}
Version:        0.1.0
*/
<?php

add_action( 'wp_enqueue_scripts', '{{parent_theme_function_safe}}_parent_theme_enqueue_styles' );

function {{parent_theme_function_safe}}_parent_theme_enqueue_styles() {
    wp_enqueue_style( '{{parent_theme}}-style', get_template_directory_uri() . '/style.css' );
    wp_enqueue_style( '{{slug}}-style',
        get_stylesheet_directory_uri() . '/style.css',
        array( '{{parent_theme}}-style' )
    );

}
#!/usr/bin/env bash

set -ex

PACKAGE_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )"/../ && pwd )"

download() {
    if [ `which curl` ]; then
        curl -s "$1" > "$2";
    elif [ `which wget` ]; then
        wget -nv -O "$2" "$1"
    fi
}

install_wp_cli() {

	# the Behat test suite will pick up the executable found in $WP_CLI_BIN_DIR
	mkdir -p $WP_CLI_BIN_DIR
	download https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli-nightly.phar $WP_CLI_BIN_DIR/wp
	chmod +x $WP_CLI_BIN_DIR/wp

}

set_package_context() {

	touch $WP_CLI_CONFIG_PATH
	printf 'require:' > $WP_CLI_CONFIG_PATH
	requires=$(php $PACKAGE_DIR/utils/get-package-require-from-composer.php composer.json)
	for require in "${requires[@]}"
	do
		printf "\n%2s-%1s$PACKAGE_DIR/$require" >> $WP_CLI_CONFIG_PATH
	done
	printf "\n" >> $WP_CLI_CONFIG_PATH

}

download_behat() {

	cd $PACKAGE_DIR
	download https://getcomposer.org/installer installer
	php installer
	php composer.phar require --dev behat/behat='~2.5'

}

install_db() {
	mysql -e 'CREATE DATABASE IF NOT EXISTS wp_cli_test;' -uroot
	mysql -e 'GRANT ALL PRIVILEGES ON wp_cli_test.* TO "wp_cli_test"@"localhost" IDENTIFIED BY "password1"' -uroot
}

install_wp_cli
set_package_context
download_behat
install_db
#!/usr/bin/env bash

if [ $# -lt 3 ]; then
	echo "usage: $0 <db-name> <db-user> <db-pass> [db-host] [wp-version]"
	exit 1
fi

DB_NAME=$1
DB_USER=$2
DB_PASS=$3
DB_HOST=${4-localhost}
WP_VERSION=${5-latest}

WP_TESTS_DIR=${WP_TESTS_DIR-/tmp/wordpress-tests-lib}
WP_CORE_DIR=${WP_CORE_DIR-/tmp/wordpress/}

download() {
    if [ `which curl` ]; then
        curl -s "$1" > "$2";
    elif [ `which wget` ]; then
        wget -nv -O "$2" "$1"
    fi
}

if [[ $WP_VERSION =~ [0-9]+\.[0-9]+(\.[0-9]+)? ]]; then
	WP_TESTS_TAG="tags/$WP_VERSION"
elif [[ $WP_VERSION == 'nightly' || $WP_VERSION == 'trunk' ]]; then
	WP_TESTS_TAG="trunk"
else
	# http serves a single offer, whereas https serves multiple. we only want one
	download http://api.wordpress.org/core/version-check/1.7/ /tmp/wp-latest.json
	grep '[0-9]+\.[0-9]+(\.[0-9]+)?' /tmp/wp-latest.json
	LATEST_VERSION=$(grep -o '"version":"[^"]*' /tmp/wp-latest.json | sed 's/"version":"//')
	if [[ -z "$LATEST_VERSION" ]]; then
		echo "Latest WordPress version could not be found"
		exit 1
	fi
	WP_TESTS_TAG="tags/$LATEST_VERSION"
fi

set -ex

install_wp() {

	if [ -d $WP_CORE_DIR ]; then
		return;
	fi

	mkdir -p $WP_CORE_DIR

	if [[ $WP_VERSION == 'nightly' || $WP_VERSION == 'trunk' ]]; then
		mkdir -p /tmp/wordpress-nightly
		download https://wordpress.org/nightly-builds/wordpress-latest.zip  /tmp/wordpress-nightly/wordpress-nightly.zip
		unzip -q /tmp/wordpress-nightly/wordpress-nightly.zip -d /tmp/wordpress-nightly/
		mv /tmp/wordpress-nightly/wordpress/* $WP_CORE_DIR
	else
		if [ $WP_VERSION == 'latest' ]; then
			local ARCHIVE_NAME='latest'
		else
			local ARCHIVE_NAME="wordpress-$WP_VERSION"
		fi
		download https://wordpress.org/${ARCHIVE_NAME}.tar.gz  /tmp/wordpress.tar.gz
		tar --strip-components=1 -zxmf /tmp/wordpress.tar.gz -C $WP_CORE_DIR
	fi

	download https://raw.github.com/markoheijnen/wp-mysqli/master/db.php $WP_CORE_DIR/wp-content/db.php
}

install_test_suite() {
	# portable in-place argument for both GNU sed and Mac OSX sed
	if [[ $(uname -s) == 'Darwin' ]]; then
		local ioption='-i .bak'
	else
		local ioption='-i'
	fi

	# set up testing suite if it doesn't yet exist
	if [ ! -d $WP_TESTS_DIR ]; then
		# set up testing suite
		mkdir -p $WP_TESTS_DIR
		svn co --quiet https://develop.svn.wordpress.org/${WP_TESTS_TAG}/tests/phpunit/includes/ $WP_TESTS_DIR/includes
	fi

	cd $WP_TESTS_DIR

	if [ ! -f wp-tests-config.php ]; then
		download https://develop.svn.wordpress.org/${WP_TESTS_TAG}/wp-tests-config-sample.php "$WP_TESTS_DIR"/wp-tests-config.php
		sed $ioption "s:dirname( __FILE__ ) . '/src/':'$WP_CORE_DIR':" "$WP_TESTS_DIR"/wp-tests-config.php
		sed $ioption "s/youremptytestdbnamehere/$DB_NAME/" "$WP_TESTS_DIR"/wp-tests-config.php
		sed $ioption "s/yourusernamehere/$DB_USER/" "$WP_TESTS_DIR"/wp-tests-config.php
		sed $ioption "s/yourpasswordhere/$DB_PASS/" "$WP_TESTS_DIR"/wp-tests-config.php
		sed $ioption "s|localhost|${DB_HOST}|" "$WP_TESTS_DIR"/wp-tests-config.php
	fi

}

install_db() {
	# parse DB_HOST for port or socket references
	local PARTS=(${DB_HOST//\:/ })
	local DB_HOSTNAME=${PARTS[0]};
	local DB_SOCK_OR_PORT=${PARTS[1]};
	local EXTRA=""

	if ! [ -z $DB_HOSTNAME ] ; then
		if [ $(echo $DB_SOCK_OR_PORT | grep -e '^[0-9]\{1,\}$') ]; then
			EXTRA=" --host=$DB_HOSTNAME --port=$DB_SOCK_OR_PORT --protocol=tcp"
		elif ! [ -z $DB_SOCK_OR_PORT ] ; then
			EXTRA=" --socket=$DB_SOCK_OR_PORT"
		elif ! [ -z $DB_HOSTNAME ] ; then
			EXTRA=" --host=$DB_HOSTNAME --protocol=tcp"
		fi
	fi

	# create database
	mysqladmin create $DB_NAME --user="$DB_USER" --password="$DB_PASS"$EXTRA
}

install_wp
install_test_suite
install_db
Feature: Test that WP-CLI loads.

  Scenario: WP-CLI loads for your tests
    Given a WP install

    When I run `wp eval 'echo "Hello world.";'`
    Then STDOUT should contain:
      """
      Hello world.
      """
{{#is_subcommand}}


{{/is_subcommand}}
## GLOBAL PARAMETERS

{{#parameters}}
  {{synopsis}}
      {{desc}}

{{/parameters}}
{{#root_command}}
  Run 'wp help <command>' to get more information on a specific command.
{{/root_command}}
## NAME

	{{name}}

## DESCRIPTION

	{{shortdesc}}

## SYNOPSIS

	{{synopsis}}

{{#has-subcommands}}
## SUBCOMMANDS

{{#subcommands}}
	{{.}}
{{/subcommands}}

{{/has-subcommands}}
<phpunit
	bootstrap="tests/bootstrap.php"
	backupGlobals="false"
	colors="true"
	convertErrorsToExceptions="true"
	convertNoticesToExceptions="true"
	convertWarningsToExceptions="true"
	>
	<testsuites>
		<testsuite>
			<directory prefix="test-" suffix=".php">./tests/</directory>
		</testsuite>
	</testsuites>
</phpunit>
.DS_Store
node_modules/
module.exports = function( grunt ) {

	'use strict';
	var banner = '/**\n * <%= pkg.homepage %>\n * Copyright (c) <%= grunt.template.today("yyyy") %>\n * This file is generated automatically. Do not edit.\n */\n';
	// Project configuration
	grunt.initConfig( {

		pkg: grunt.file.readJSON( 'package.json' ),

		addtextdomain: {
			options: {
				textdomain: '{{textdomain}}',
			},
			target: {
				files: {
					src: [ '*.php', '**/*.php', '!node_modules/**', '!php-tests/**', '!bin/**' ]
				}
			}
		},

		wp_readme_to_markdown: {
			your_target: {
				files: {
					'README.md': 'readme.txt'
				}
			},
		},

		makepot: {
			target: {
				options: {
					domainPath: '/languages',
					mainFile: '{{plugin_slug}}.php',
					potFilename: '{{plugin_slug}}.pot',
					potHeaders: {
						poedit: true,
						'x-poedit-keywordslist': true
					},
					type: 'wp-plugin',
					updateTimestamp: true
				}
			}
		},
	} );

	grunt.loadNpmTasks( 'grunt-wp-i18n' );
	grunt.loadNpmTasks( 'grunt-wp-readme-to-markdown' );
	grunt.registerTask( 'i18n', ['addtextdomain', 'makepot'] );
	grunt.registerTask( 'readme', ['wp_readme_to_markdown'] );

	grunt.util.linefeed = '\n';

};

{
  "name": "{{plugin_slug}}",
  "version": "0.0.0",
  "main": "Gruntfile.js",
  "author": "YOUR NAME HERE",
  "devDependencies": {
    "grunt": "^0.4.5",
    "grunt-wp-i18n": "^0.5.0",
    "grunt-wp-readme-to-markdown": "~0.9.0"
  }
}
=== {{plugin_name}} ===
Contributors: (this should be a list of wordpress.org userid's)
Donate link: http://example.com/
Tags: comments, spam
Requires at least: 3.0.1
Tested up to: 3.4
Stable tag: 4.3
License: GPLv2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html

Here is a short description of the plugin.  This should be no more than 150 characters.  No markup here.

== Description ==

This is the long description.  No limit, and you can use Markdown (as well as in the following sections).

For backwards compatibility, if this section is missing, the full length of the short description will be used, and
Markdown parsed.

A few notes about the sections above:

*   "Contributors" is a comma separated list of wp.org/wp-plugins.org usernames
*   "Tags" is a comma separated list of tags that apply to the plugin
*   "Requires at least" is the lowest version that the plugin will work on
*   "Tested up to" is the highest version that you've *successfully used to test the plugin*. Note that it might work on
higher versions... this is just the highest one you've verified.
*   Stable tag should indicate the Subversion "tag" of the latest stable version, or "trunk," if you use `/trunk/` for
stable.

    Note that the `readme.txt` of the stable tag is the one that is considered the defining one for the plugin, so
if the `/trunk/readme.txt` file says that the stable tag is `4.3`, then it is `/tags/4.3/readme.txt` that'll be used
for displaying information about the plugin.  In this situation, the only thing considered from the trunk `readme.txt`
is the stable tag pointer.  Thus, if you develop in trunk, you can update the trunk `readme.txt` to reflect changes in
your in-development version, without having that information incorrectly disclosed about the current stable version
that lacks those changes -- as long as the trunk's `readme.txt` points to the correct stable tag.

    If no stable tag is provided, it is assumed that trunk is stable, but you should specify "trunk" if that's where
you put the stable version, in order to eliminate any doubt.

== Installation ==

This section describes how to install the plugin and get it working.

e.g.

1. Upload `plugin-name.php` to the `/wp-content/plugins/` directory
1. Activate the plugin through the 'Plugins' menu in WordPress
1. Place `<?php do_action('plugin_name_hook'); ?>` in your templates

== Frequently Asked Questions ==

= A question that someone might have =

An answer to that question.

= What about foo bar? =

Answer to foo bar dilemma.

== Screenshots ==

1. This screen shot description corresponds to screenshot-1.(png|jpg|jpeg|gif). Note that the screenshot is taken from
the /assets directory or the directory that contains the stable readme.txt (tags or trunk). Screenshots in the /assets
directory take precedence. For example, `/assets/screenshot-1.png` would win over `/tags/4.3/screenshot-1.png`
(or jpg, jpeg, gif).
2. This is the second screen shot

== Changelog ==

= 1.0 =
* A change since the previous version.
* Another change.

= 0.5 =
* List versions from most recent at top to oldest at bottom.

== Upgrade Notice ==

= 1.0 =
Upgrade notices describe the reason a user should upgrade.  No more than 300 characters.

= 0.5 =
This version fixes a security related bug.  Upgrade immediately.

== Arbitrary section ==

You may provide arbitrary sections, in the same format as the ones above.  This may be of use for extremely complicated
plugins where more information needs to be conveyed that doesn't fit into the categories of "description" or
"installation."  Arbitrary sections will be shown below the built-in sections outlined above.

== A brief Markdown Example ==

Ordered list:

1. Some feature
1. Another feature
1. Something else about the plugin

Unordered list:

* something
* something else
* third thing

Here's a link to [WordPress](http://wordpress.org/ "Your favorite software") and one to [Markdown's Syntax Documentation][markdown syntax].
Titles are optional, naturally.

[markdown syntax]: http://daringfireball.net/projects/markdown/syntax
            "Markdown is what the parser uses to process much of the readme file"

Markdown uses email style notation for blockquotes and I've been told:
> Asterisks for *emphasis*. Double it up  for **strong**.

`<?php code(); // goes in backticks ?>`
Plugin %9{{slug}}%n details:
    Name: {{name}}
    Status: {{status}}%n
    Version: {{version}}
    Author: {{author}}
    Description: {{description}}
<?php
/**
 * Plugin Name: {{plugin_name}}
 * Version: 0.1-alpha
 * Description: {{plugin_description}}
 * Author: {{plugin_author}}
 * Author URI: {{plugin_author_uri}}
 * Plugin URI: {{plugin_uri}}
 * Text Domain: {{textdomain}}
 * Domain Path: /languages
 * @package {{plugin_name}}
 */
	register_post_type( '{{slug}}', array(
		'labels'            => array(
			'name'                => __( '{{label_plural_ucfirst}}', '{{textdomain}}' ),
			'singular_name'       => __( '{{label_ucfirst}}', '{{textdomain}}' ),
			'all_items'           => __( 'All {{label_plural_ucfirst}}', '{{textdomain}}' ),
			'new_item'            => __( 'New {{label}}', '{{textdomain}}' ),
			'add_new'             => __( 'Add New', '{{textdomain}}' ),
			'add_new_item'        => __( 'Add New {{label}}', '{{textdomain}}' ),
			'edit_item'           => __( 'Edit {{label}}', '{{textdomain}}' ),
			'view_item'           => __( 'View {{label}}', '{{textdomain}}' ),
			'search_items'        => __( 'Search {{label_plural}}', '{{textdomain}}' ),
			'not_found'           => __( 'No {{label_plural}} found', '{{textdomain}}' ),
			'not_found_in_trash'  => __( 'No {{label_plural}} found in trash', '{{textdomain}}' ),
			'parent_item_colon'   => __( 'Parent {{label}}', '{{textdomain}}' ),
			'menu_name'           => __( '{{label_plural_ucfirst}}', '{{textdomain}}' ),
		),
		'public'            => true,
		'hierarchical'      => false,
		'show_ui'           => true,
		'show_in_nav_menus' => true,
		'supports'          => array( 'title', 'editor' ),
		'has_archive'       => true,
		'rewrite'           => true,
		'query_var'         => true,
		'menu_icon'         => 'dashicons-{{dashicon}}',
	) );
<?php

function {{machine_name}}_init() {
{{output}}
}
add_action( 'init', '{{machine_name}}_init' );

function {{machine_name}}_updated_messages( $messages ) {
	global $post;

	$permalink = get_permalink( $post );

	$messages['{{slug}}'] = array(
		0 => '', // Unused. Messages start at index 1.
		1 => sprintf( __('{{label_ucfirst}} updated. <a target="_blank" href="%s">View {{label}}</a>', '{{textdomain}}'), esc_url( $permalink ) ),
		2 => __('Custom field updated.', '{{textdomain}}'),
		3 => __('Custom field deleted.', '{{textdomain}}'),
		4 => __('{{label_ucfirst}} updated.', '{{textdomain}}'),
		/* translators: %s: date and time of the revision */
		5 => isset($_GET['revision']) ? sprintf( __('{{label_ucfirst}} restored to revision from %s', '{{textdomain}}'), wp_post_revision_title( (int) $_GET['revision'], false ) ) : false,
		6 => sprintf( __('{{label_ucfirst}} published. <a href="%s">View {{label}}</a>', '{{textdomain}}'), esc_url( $permalink ) ),
		7 => __('{{label_ucfirst}} saved.', '{{textdomain}}'),
		8 => sprintf( __('{{label_ucfirst}} submitted. <a target="_blank" href="%s">Preview {{label}}</a>', '{{textdomain}}'), esc_url( add_query_arg( 'preview', 'true', $permalink ) ) ),
		9 => sprintf( __('{{label_ucfirst}} scheduled for: <strong>%1$s</strong>. <a target="_blank" href="%2$s">Preview {{label}}</a>', '{{textdomain}}'),
		// translators: Publish box date format, see http://php.net/date
		date_i18n( __( 'M j, Y @ G:i' ), strtotime( $post->post_date ) ), esc_url( $permalink ) ),
		10 => sprintf( __('{{label_ucfirst}} draft updated. <a target="_blank" href="%s">Preview {{label}}</a>', '{{textdomain}}'), esc_url( add_query_arg( 'preview', 'true', $permalink ) ) ),
	);

	return $messages;
}
add_filter( 'post_updated_messages', '{{machine_name}}_updated_messages' );
	register_taxonomy( '{{slug}}', array( {{post_types}} ), array(
		'hierarchical'      => false,
		'public'            => true,
		'show_in_nav_menus' => true,
		'show_ui'           => true,
		'show_admin_column' => false,
		'query_var'         => true,
		'rewrite'           => true,
		'capabilities'      => array(
			'manage_terms'  => 'edit_posts',
			'edit_terms'    => 'edit_posts',
			'delete_terms'  => 'edit_posts',
			'assign_terms'  => 'edit_posts'
		),
		'labels'            => array(
			'name'                       => __( '{{label_plural_ucfirst}}', '{{textdomain}}' ),
			'singular_name'              => _x( '{{label_ucfirst}}', 'taxonomy general name', '{{textdomain}}' ),
			'search_items'               => __( 'Search {{label_plural}}', '{{textdomain}}' ),
			'popular_items'              => __( 'Popular {{label_plural}}', '{{textdomain}}' ),
			'all_items'                  => __( 'All {{label_plural}}', '{{textdomain}}' ),
			'parent_item'                => __( 'Parent {{label}}', '{{textdomain}}' ),
			'parent_item_colon'          => __( 'Parent {{label}}:', '{{textdomain}}' ),
			'edit_item'                  => __( 'Edit {{label}}', '{{textdomain}}' ),
			'update_item'                => __( 'Update {{label}}', '{{textdomain}}' ),
			'add_new_item'               => __( 'New {{label}}', '{{textdomain}}' ),
			'new_item_name'              => __( 'New {{label}}', '{{textdomain}}' ),
			'separate_items_with_commas' => __( '{{label_plural_ucfirst}} separated by comma', '{{textdomain}}' ),
			'add_or_remove_items'        => __( 'Add or remove {{label_plural}}', '{{textdomain}}' ),
			'choose_from_most_used'      => __( 'Choose from the most used {{label_plural}}', '{{textdomain}}' ),
			'not_found'                  => __( 'No {{label_plural}} found.', '{{textdomain}}' ),
			'menu_name'                  => __( '{{label_plural_ucfirst}}', '{{textdomain}}' ),
		),
	) );
<?php

function {{machine_name}}_init() {
{{output}}
}
add_action( 'init', '{{machine_name}}_init' );
<?php

class SampleTest extends WP_UnitTestCase {

	function test_sample() {
		// replace this with some actual testing code
		$this->assertTrue( true );
	}
}

Theme %9{{slug}}%n details:
    Name: {{name}}
    Status: {{status}}%n
    Version: {{version}}
    Author: {{author}}
WordPress version: {{wp-version}}
Database revision: {{db-version}}
TinyMCE version:   {{mce-version}}
<?php


// ** MySQL settings ** //
/** The name of the database for WordPress */
define('DB_NAME', '{{dbname}}');

/** MySQL database username */
define('DB_USER', '{{dbuser}}');

/** MySQL database password */
define('DB_PASSWORD', '{{dbpass}}');

/** MySQL hostname */
define('DB_HOST', '{{dbhost}}');

/** Database Charset to use in creating database tables. */
define('DB_CHARSET', '{{dbcharset}}');

/** The Database Collate type. Don't change this if in doubt. */
define('DB_COLLATE', '{{dbcollate}}');

{{#keys-and-salts}}
{{keys-and-salts}}
{{/keys-and-salts}}

$table_prefix = '{{dbprefix}}';

{{#add-wplang}}
define('WPLANG', '{{locale}}');
{{/add-wplang}}

{{extra-php}}


/* That's all, stop editing! Happy blogging. */

/** Absolute path to the WordPress directory. */
if ( !defined('ABSPATH') )
	define('ABSPATH', dirname(__FILE__) . '/');

/** Sets up WordPress vars and included files. */
require_once(ABSPATH . 'wp-settings.php');
<?php

// autoload.php @generated by Composer

require_once __DIR__ . '/composer' . '/autoload_real.php';

return ComposerAutoloaderInit675287e1dbacd27bbfb1e3e9e0740a37::getLoader();
<?php
/**
 * Generate a list of tags to skip during the test run.
 *
 * Require a minimum version of WordPress:
 *
 *   @require-wp-4.0
 *   Scenario: Core translation CRUD
 *
 * Then use in bash script:
 *
 *   BEHAT_TAGS=$(php behat-tags.php)
 *   vendor/bin/behat --format progress $BEHAT_TAGS
 */

function version_tags( $prefix, $current, $operator = '<' ) {
	if ( ! $current )
		return;

	exec( "grep '@{$prefix}-[0-9\.]*' -h -o features/*.feature | uniq", $existing_tags );

	$skip_tags = array();

	foreach ( $existing_tags as $tag ) {
		$compare = str_replace( "@{$prefix}-", '', $tag );
		if ( version_compare( $current, $compare, $operator ) ) {
			$skip_tags[] = $tag;
		}
	}

	return $skip_tags;
}

$skip_tags = array_merge(
	version_tags( 'require-wp', getenv( 'WP_VERSION' ), '<' ),
	version_tags( 'require-php', PHP_VERSION, '<' ),
	version_tags( 'less-than-php', PHP_VERSION, '>' )
);

# Skip Github API tests by default because of rate limiting. See https://github.com/wp-cli/wp-cli/issues/1612
$skip_tags[] = '@github-api';

if ( !empty( $skip_tags ) ) {
	echo '--tags=~' . implode( '&&~', $skip_tags );
}

<?php

$file = $argv[1];
if ( ! file_exists( $file ) ) {
	echo 'File does not exist.';
	exit(1);
}

$contents = file_get_contents( $file );
$composer = json_decode( $contents );

if ( empty( $composer ) || ! is_object( $composer ) ) {
	echo 'Invalid composer.json for package.';
	exit(1);
}

if ( empty( $composer->autoload->files ) ) {
	echo 'composer.json must specify valid "autoload" => "files"';
	exit(1);
}

echo implode( PHP_EOL, $composer->autoload->files );
exit(0);##
## ca-bundle.crt -- Bundle of CA Root Certificates
##
## Certificate data from Mozilla as of: Sat Dec 29 20:03:40 2012
##
## This is a bundle of X.509 certificates of public Certificate Authorities
## (CA). These were automatically extracted from Mozilla's root certificates
## file (certdata.txt).  This file can be found in the mozilla source tree:
## http://mxr.mozilla.org/mozilla/source/security/nss/lib/ckfw/builtins/certdata.txt?raw=1
##
## It contains the certificates in PEM format and therefore
## can be directly used with curl / libcurl / php_curl, or with
## an Apache+mod_ssl webserver for SSL client authentication.
## Just configure this file as the SSLCACertificateFile.
##

# @(#) $RCSfile: certdata.txt,v $ $Revision: 1.87 $ $Date: 2012/12/29 16:32:45 $

EE Certification Centre Root CA
===============================
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

GTE CyberTrust Global Root
==========================
-----BEGIN CERTIFICATE-----
MIICWjCCAcMCAgGlMA0GCSqGSIb3DQEBBAUAMHUxCzAJBgNVBAYTAlVTMRgwFgYDVQQKEw9HVEUg
Q29ycG9yYXRpb24xJzAlBgNVBAsTHkdURSBDeWJlclRydXN0IFNvbHV0aW9ucywgSW5jLjEjMCEG
A1UEAxMaR1RFIEN5YmVyVHJ1c3QgR2xvYmFsIFJvb3QwHhcNOTgwODEzMDAyOTAwWhcNMTgwODEz
MjM1OTAwWjB1MQswCQYDVQQGEwJVUzEYMBYGA1UEChMPR1RFIENvcnBvcmF0aW9uMScwJQYDVQQL
Ex5HVEUgQ3liZXJUcnVzdCBTb2x1dGlvbnMsIEluYy4xIzAhBgNVBAMTGkdURSBDeWJlclRydXN0
IEdsb2JhbCBSb290MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCVD6C28FCc6HrHiM3dFw4u
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AQABMA0GCSqGSIb3DQEBBAUAA4GBAG3rGwnpXtlR22ciYaQqPEh346B8pt5zohQDhT37qw4wxYMW
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NMQkpw0PlZPvy5TYnh+dXIVtx6quTx8itc2VrbqnzPmrC3p/
-----END CERTIFICATE-----

Thawte Server CA
================
-----BEGIN CERTIFICATE-----
MIIDEzCCAnygAwIBAgIBATANBgkqhkiG9w0BAQQFADCBxDELMAkGA1UEBhMCWkExFTATBgNVBAgT
DFdlc3Rlcm4gQ2FwZTESMBAGA1UEBxMJQ2FwZSBUb3duMR0wGwYDVQQKExRUaGF3dGUgQ29uc3Vs
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GCg70eNAKJpaPNW15yAbi8qkq43pUdniTCxZqdq5snUb9kLy78fyGPmJvKP/iiMucEc=
-----END CERTIFICATE-----

Thawte Premium Server CA
========================
-----BEGIN CERTIFICATE-----
MIIDJzCCApCgAwIBAgIBATANBgkqhkiG9w0BAQQFADCBzjELMAkGA1UEBhMCWkExFTATBgNVBAgT
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-----END CERTIFICATE-----

Equifax Secure CA
=================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Digital Signature Trust Co. Global CA 1
=======================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Digital Signature Trust Co. Global CA 3
=======================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Verisign Class 3 Public Primary Certification Authority
=======================================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Verisign Class 3 Public Primary Certification Authority - G2
============================================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

GlobalSign Root CA
==================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

GlobalSign Root CA - R2
=======================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

ValiCert Class 1 VA
===================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

ValiCert Class 2 VA
===================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

RSA Root Certificate 1
======================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Verisign Class 3 Public Primary Certification Authority - G3
============================================================
-----BEGIN CERTIFICATE-----
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Verisign Class 4 Public Primary Certification Authority - G3
============================================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Entrust.net Secure Server CA
============================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Entrust.net Premium 2048 Secure Server CA
=========================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Baltimore CyberTrust Root
=========================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Equifax Secure Global eBusiness CA
==================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Equifax Secure eBusiness CA 1
=============================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Equifax Secure eBusiness CA 2
=============================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

AddTrust Low-Value Services Root
================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

AddTrust External Root
======================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

AddTrust Public Services Root
=============================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

AddTrust Qualified Certificates Root
====================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Entrust Root Certification Authority
====================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

RSA Security 2048 v3
====================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

GeoTrust Global CA
==================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

GeoTrust Global CA 2
====================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

GeoTrust Universal CA
=====================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

GeoTrust Universal CA 2
=======================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

America Online Root Certification Authority 1
=============================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

America Online Root Certification Authority 2
=============================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Visa eCommerce Root
===================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Certum Root CA
==============
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Comodo AAA Services root
========================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Comodo Secure Services root
===========================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Comodo Trusted Services root
============================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

QuoVadis Root CA
================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

QuoVadis Root CA 2
==================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

QuoVadis Root CA 3
==================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Security Communication Root CA
==============================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Sonera Class 2 Root CA
======================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Staat der Nederlanden Root CA
=============================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

TDC Internet Root CA
====================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

UTN DATACorp SGC Root CA
========================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

UTN USERFirst Hardware Root CA
==============================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Camerfirma Chambers of Commerce Root
====================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Camerfirma Global Chambersign Root
==================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

NetLock Notary (Class A) Root
=============================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

NetLock Business (Class B) Root
===============================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

NetLock Express (Class C) Root
==============================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

XRamp Global CA Root
====================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Go Daddy Class 2 CA
===================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Starfield Class 2 CA
====================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

StartCom Certification Authority
================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Taiwan GRCA
===========
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Firmaprofesional Root CA
========================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Wells Fargo Root CA
===================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Swisscom Root CA 1
==================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

DigiCert Assured ID Root CA
===========================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

DigiCert Global Root CA
=======================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

DigiCert High Assurance EV Root CA
==================================
-----BEGIN CERTIFICATE-----
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Certplus Class 2 Primary CA
===========================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

DST Root CA X3
==============
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

DST ACES CA X6
==============
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

TURKTRUST Certificate Services Provider Root 1
==============================================
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TURKTRUST Certificate Services Provider Root 2
==============================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

SwissSign Gold CA - G2
======================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

SwissSign Silver CA - G2
========================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

GeoTrust Primary Certification Authority
========================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

thawte Primary Root CA
======================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

VeriSign Class 3 Public Primary Certification Authority - G5
============================================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

SecureTrust CA
==============
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Secure Global CA
================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

COMODO Certification Authority
==============================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Network Solutions Certificate Authority
=======================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

WellsSecure Public Root Certificate Authority
=============================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

COMODO ECC Certification Authority
==================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

IGC/A
=====
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Security Communication EV RootCA1
=================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

OISTE WISeKey Global Root GA CA
===============================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Microsec e-Szigno Root CA
=========================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Certigna
========
-----BEGIN CERTIFICATE-----
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AC Ra\xC3\xADz Certic\xC3\xA1mara S.A.
======================================
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TC TrustCenter Class 2 CA II
============================
-----BEGIN CERTIFICATE-----
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TC TrustCenter Class 3 CA II
============================
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TC TrustCenter Universal CA I
=============================
-----BEGIN CERTIFICATE-----
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Deutsche Telekom Root CA 2
==========================
-----BEGIN CERTIFICATE-----
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ComSign Secured CA
==================
-----BEGIN CERTIFICATE-----
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Cybertrust Global Root
======================
-----BEGIN CERTIFICATE-----
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ePKI Root Certification Authority
=================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

T\xc3\x9c\x42\xC4\xB0TAK UEKAE K\xC3\xB6k Sertifika Hizmet Sa\xC4\x9Flay\xc4\xb1\x63\xc4\xb1s\xc4\xb1 - S\xC3\xBCr\xC3\xBCm 3
=============================================================================================================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Buypass Class 2 CA 1
====================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Buypass Class 3 CA 1
====================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

EBG Elektronik Sertifika Hizmet Sa\xC4\x9Flay\xc4\xb1\x63\xc4\xb1s\xc4\xb1
==========================================================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

certSIGN ROOT CA
================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

CNNIC ROOT
==========
-----BEGIN CERTIFICATE-----
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ApplicationCA - Japanese Government
===================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

GeoTrust Primary Certification Authority - G3
=============================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

thawte Primary Root CA - G2
===========================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

thawte Primary Root CA - G3
===========================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

GeoTrust Primary Certification Authority - G2
=============================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

VeriSign Universal Root Certification Authority
===============================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

VeriSign Class 3 Public Primary Certification Authority - G4
============================================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

NetLock Arany (Class Gold) FÃ…â€˜tanÃƒÂºsÃƒÂ­tvÃƒÂ¡ny
============================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Staat der Nederlanden Root CA - G2
==================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

CA Disig
========
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Juur-SK
=======
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Hongkong Post Root CA 1
=======================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

SecureSign RootCA11
===================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

ACEDICOM Root
=============
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Verisign Class 3 Public Primary Certification Authority
=======================================================
-----BEGIN CERTIFICATE-----
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Microsec e-Szigno Root CA 2009
==============================
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E-Guven Kok Elektronik Sertifika Hizmet Saglayicisi
===================================================
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GlobalSign Root CA - R3
=======================
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TC TrustCenter Universal CA III
===============================
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Autoridad de Certificacion Firmaprofesional CIF A62634068
=========================================================
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Izenpe.com
==========
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Chambers of Commerce Root - 2008
================================
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Global Chambersign Root - 2008
==============================
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Go Daddy Root Certificate Authority - G2
========================================
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Starfield Root Certificate Authority - G2
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Starfield Services Root Certificate Authority - G2
==================================================
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AffirmTrust Commercial
======================
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AffirmTrust Networking
======================
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AffirmTrust Premium
===================
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AffirmTrust Premium ECC
=======================
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Certum Trusted Network CA
=========================
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Certinomis - AutoritÃƒÂ© Racine
=============================
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Root CA Generalitat Valenciana
==============================
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A-Trust-nQual-03
================
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TWCA Root Certification Authority
=================================
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Security Communication RootCA2
==============================
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EC-ACC
======
-----BEGIN CERTIFICATE-----
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Hellenic Academic and Research Institutions RootCA 2011
=======================================================
-----BEGIN CERTIFICATE-----
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Actalis Authentication Root CA
==============================
-----BEGIN CERTIFICATE-----
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Trustis FPS Root CA
===================
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StartCom Certification Authority
================================
-----BEGIN CERTIFICATE-----
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StartCom Certification Authority G2
===================================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Buypass Class 2 Root CA
=======================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

Buypass Class 3 Root CA
=======================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----

T-TeleSec GlobalRoot Class 3
============================
-----BEGIN CERTIFICATE-----
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-----END CERTIFICATE-----
0.22.05ŽU‰ýŸ¾;gã.Rb”»Ê   GBMB