X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/d3b1ea255664edd2deef17f900a655613d20820d..refs/tags/wordpress-3.1-scripts:/wp-includes/plugin.php diff --git a/wp-includes/plugin.php b/wp-includes/plugin.php index 0588bc9a..0c10e242 100644 --- a/wp-includes/plugin.php +++ b/wp-includes/plugin.php @@ -53,7 +53,7 @@ * @subpackage Plugin * @since 0.71 * @global array $wp_filter Stores all of the filters added in the form of - * wp_filter['tag']['array of priorities']['array of functions serialized']['array of ['array (functions, accepted_args)]'] + * wp_filter['tag']['array of priorities']['array of functions serialized']['array of ['array (functions, accepted_args)']'] * @global array $merged_filters Tracks the tags that need to be merged for later. If the hook is added, it doesn't need to run through that process. * * @param string $tag The name of the filter to hook the $function_to_add to. @@ -173,6 +173,59 @@ function apply_filters($tag, $value) { return $value; } +/** + * Execute functions hooked on a specific filter hook, specifying arguments in an array. + * + * @see apply_filters() This function is identical, but the arguments passed to the + * functions hooked to $tag are supplied using an array. + * + * @package WordPress + * @subpackage Plugin + * @since 3.0.0 + * @global array $wp_filter Stores all of the filters + * @global array $merged_filters Merges the filter hooks using this function. + * @global array $wp_current_filter stores the list of current filters with the current one last + * + * @param string $tag The name of the filter hook. + * @param array $args The arguments supplied to the functions hooked to $tag + * @return mixed The filtered value after all hooked functions are applied to it. + */ +function apply_filters_ref_array($tag, $args) { + global $wp_filter, $merged_filters, $wp_current_filter; + + $wp_current_filter[] = $tag; + + // Do 'all' actions first + if ( isset($wp_filter['all']) ) { + $all_args = func_get_args(); + _wp_call_all_hook($all_args); + } + + if ( !isset($wp_filter[$tag]) ) { + array_pop($wp_current_filter); + return $args[0]; + } + + // Sort + if ( !isset( $merged_filters[ $tag ] ) ) { + ksort($wp_filter[$tag]); + $merged_filters[ $tag ] = true; + } + + reset( $wp_filter[ $tag ] ); + + do { + foreach( (array) current($wp_filter[$tag]) as $the_ ) + if ( !is_null($the_['function']) ) + $args[0] = call_user_func_array($the_['function'], array_slice($args, 0, (int) $the_['accepted_args'])); + + } while ( next($wp_filter[$tag]) !== false ); + + array_pop( $wp_current_filter ); + + return $args[0]; +} + /** * Removes a function from a specified filter hook. * @@ -222,7 +275,7 @@ function remove_all_filters($tag, $priority = false) { global $wp_filter, $merged_filters; if( isset($wp_filter[$tag]) ) { - if( false !== $priority && isset($$wp_filter[$tag][$priority]) ) + if( false !== $priority && isset($wp_filter[$tag][$priority]) ) unset($wp_filter[$tag][$priority]); else unset($wp_filter[$tag]); @@ -299,10 +352,13 @@ function add_action($tag, $function_to_add, $priority = 10, $accepted_args = 1) function do_action($tag, $arg = '') { global $wp_filter, $wp_actions, $merged_filters, $wp_current_filter; - if ( is_array($wp_actions) ) - $wp_actions[] = $tag; + if ( ! isset($wp_actions) ) + $wp_actions = array(); + + if ( ! isset($wp_actions[$tag]) ) + $wp_actions[$tag] = 1; else - $wp_actions = array($tag); + ++$wp_actions[$tag]; $wp_current_filter[] = $tag; @@ -318,7 +374,7 @@ function do_action($tag, $arg = '') { } $args = array(); - if ( is_array($arg) && 1 == count($arg) && is_object($arg[0]) ) // array(&$this) + if ( is_array($arg) && 1 == count($arg) && isset($arg[0]) && is_object($arg[0]) ) // array(&$this) $args[] =& $arg[0]; else $args[] = $arg; @@ -357,10 +413,10 @@ function do_action($tag, $arg = '') { function did_action($tag) { global $wp_actions; - if ( empty($wp_actions) ) + if ( ! isset( $wp_actions ) || ! isset( $wp_actions[$tag] ) ) return 0; - return count(array_keys($wp_actions, $tag)); + return $wp_actions[$tag]; } /** @@ -382,10 +438,13 @@ function did_action($tag) { function do_action_ref_array($tag, $args) { global $wp_filter, $wp_actions, $merged_filters, $wp_current_filter; - if ( !is_array($wp_actions) ) - $wp_actions = array($tag); + if ( ! isset($wp_actions) ) + $wp_actions = array(); + + if ( ! isset($wp_actions[$tag]) ) + $wp_actions[$tag] = 1; else - $wp_actions[] = $tag; + ++$wp_actions[$tag]; $wp_current_filter[] = $tag; @@ -495,6 +554,7 @@ function plugin_basename($file) { $mu_plugin_dir = str_replace('\\','/',WPMU_PLUGIN_DIR); // sanitize for Win32 installs $mu_plugin_dir = preg_replace('|/+|','/', $mu_plugin_dir); // remove any duplicate slash $file = preg_replace('#^' . preg_quote($plugin_dir, '#') . '/|^' . preg_quote($mu_plugin_dir, '#') . '/#','',$file); // get relative path from plugins dir + $file = trim($file, '/'); return $file; } @@ -596,9 +656,14 @@ function register_deactivation_hook($file, $function) { * @since 2.7 * * @param string $file - * @param callback $callback The callback to run when the hook is called. + * @param callback $callback The callback to run when the hook is called. Must be a static method or function. */ -function register_uninstall_hook($file, $callback) { +function register_uninstall_hook( $file, $callback ) { + if ( is_array( $callback ) && is_object( $callback[0] ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Only a static class method or function can be used in an uninstall hook.' ), '3.1' ); + return; + } + // The option should not be autoloaded, because it is not needed in most // cases. Emphasis should be put on using the 'uninstall.php' way of // uninstalling the plugin. @@ -667,31 +732,44 @@ function _wp_call_all_hook($args) { * @param string $tag Used in counting how many hooks were applied * @param callback $function Used for creating unique id * @param int|bool $priority Used in counting how many hooks were applied. If === false and $function is an object reference, we return the unique id only if it already has one, false otherwise. - * @param string $type filter or action * @return string|bool Unique ID for usage as array key or false if $priority === false and $function is an object reference, and it does not already have a uniqe id. */ function _wp_filter_build_unique_id($tag, $function, $priority) { global $wp_filter; static $filter_id_count = 0; - // If function then just skip all of the tests and not overwrite the following. if ( is_string($function) ) return $function; - // Object Class Calling - else if (is_object($function[0]) ) { - $obj_idx = get_class($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]) : 0; - $function[0]->wp_filter_id = $filter_id_count++; - } else - $obj_idx .= $function[0]->wp_filter_id; - return $obj_idx; + + if ( is_object($function) ) { + // Closures are currently implemented as objects + $function = array( $function, '' ); + } else { + $function = (array) $function; } - // Static Calling - else if ( is_string($function[0]) ) + + 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]; + } } ?>