X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/98a4d31e52bd56c908617df281730bd4ba58d110..refs/tags/wordpress-3.4:/wp-includes/plugin.php diff --git a/wp-includes/plugin.php b/wp-includes/plugin.php index a1c7fcf7..914d7065 100644 --- a/wp-includes/plugin.php +++ b/wp-includes/plugin.php @@ -80,7 +80,7 @@ function add_filter($tag, $function_to_add, $priority = 10, $accepted_args = 1) * @global array $wp_filter Stores all of the filters * * @param string $tag The name of the filter hook. - * @param callback $function_to_check optional. If specified, return the priority of that function on this hook or false if not attached. + * @param callback $function_to_check optional. If specified, return the priority of that function on this hook or false if not attached. * @return int|boolean Optionally returns the priority on that hook for the specified function. */ function has_filter($tag, $function_to_check = false) { @@ -135,19 +135,23 @@ function apply_filters($tag, $value) { global $wp_filter, $merged_filters, $wp_current_filter; $args = array(); - $wp_current_filter[] = $tag; // Do 'all' actions first if ( isset($wp_filter['all']) ) { + $wp_current_filter[] = $tag; $args = func_get_args(); _wp_call_all_hook($args); } if ( !isset($wp_filter[$tag]) ) { - array_pop($wp_current_filter); + if ( isset($wp_filter['all']) ) + array_pop($wp_current_filter); return $value; } + if ( !isset($wp_filter['all']) ) + $wp_current_filter[] = $tag; + // Sort if ( !isset( $merged_filters[ $tag ] ) ) { ksort($wp_filter[$tag]); @@ -173,6 +177,62 @@ function apply_filters($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, $wp_current_filter; + + // Do 'all' actions first + if ( isset($wp_filter['all']) ) { + $wp_current_filter[] = $tag; + $all_args = func_get_args(); + _wp_call_all_hook($all_args); + } + + if ( !isset($wp_filter[$tag]) ) { + if ( isset($wp_filter['all']) ) + array_pop($wp_current_filter); + return $args[0]; + } + + if ( !isset($wp_filter['all']) ) + $wp_current_filter[] = $tag; + + // 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 $args[0]; +} + /** * Removes a function from a specified filter hook. * @@ -191,7 +251,7 @@ function apply_filters($tag, $value) { * @param string $tag The filter hook to which the function to be removed is hooked. * @param callback $function_to_remove The name of the function which should be removed. * @param int $priority optional. The priority of the function (default: 10). - * @param int $accepted_args optional. The number of arguments the function accpets (default: 1). + * @param int $accepted_args optional. The number of arguments the function accepts (default: 1). * @return boolean Whether the function existed before it was removed. */ function remove_filter($tag, $function_to_remove, $priority = 10, $accepted_args = 1) { @@ -222,7 +282,7 @@ function remove_all_filters($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]); @@ -248,7 +308,6 @@ function current_filter() { return end( $wp_current_filter ); } - /** * Hooks a function on to a specific action. * @@ -272,7 +331,6 @@ function add_action($tag, $function_to_add, $priority = 10, $accepted_args = 1) return add_filter($tag, $function_to_add, $priority, $accepted_args); } - /** * Execute functions hooked on a specific action hook. * @@ -299,26 +357,32 @@ function add_action($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; - else - $wp_actions = array($tag); + if ( ! isset($wp_actions) ) + $wp_actions = array(); - $wp_current_filter[] = $tag; + if ( ! isset($wp_actions[$tag]) ) + $wp_actions[$tag] = 1; + else + ++$wp_actions[$tag]; // Do 'all' actions first if ( isset($wp_filter['all']) ) { + $wp_current_filter[] = $tag; $all_args = func_get_args(); _wp_call_all_hook($all_args); } if ( !isset($wp_filter[$tag]) ) { - array_pop($wp_current_filter); + if ( isset($wp_filter['all']) ) + array_pop($wp_current_filter); return; } + if ( !isset($wp_filter['all']) ) + $wp_current_filter[] = $tag; + $args = array(); - if ( is_array($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[] = $arg; @@ -344,7 +408,7 @@ function do_action($tag, $arg = '') { } /** - * Retrieve the number times an action is fired. + * Retrieve the number of times an action is fired. * * @package WordPress * @subpackage Plugin @@ -357,10 +421,10 @@ function do_action($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]; } /** @@ -382,24 +446,30 @@ 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); - else - $wp_actions[] = $tag; + if ( ! isset($wp_actions) ) + $wp_actions = array(); - $wp_current_filter[] = $tag; + if ( ! isset($wp_actions[$tag]) ) + $wp_actions[$tag] = 1; + else + ++$wp_actions[$tag]; // Do 'all' actions first if ( isset($wp_filter['all']) ) { + $wp_current_filter[] = $tag; $all_args = func_get_args(); _wp_call_all_hook($all_args); } if ( !isset($wp_filter[$tag]) ) { - array_pop($wp_current_filter); + if ( isset($wp_filter['all']) ) + array_pop($wp_current_filter); return; } + if ( !isset($wp_filter['all']) ) + $wp_current_filter[] = $tag; + // Sort if ( !isset( $merged_filters[ $tag ] ) ) { ksort($wp_filter[$tag]); @@ -427,7 +497,7 @@ function do_action_ref_array($tag, $args) { * @see has_filter() has_action() is an alias of has_filter(). * * @param string $tag The name of the action hook. - * @param callback $function_to_check optional. If specified, return the priority of that function on this hook or false if not attached. + * @param callback $function_to_check optional. If specified, return the priority of that function on this hook or false if not attached. * @return int|boolean Optionally returns the priority on that hook for the specified function. */ function has_action($tag, $function_to_check = false) { @@ -448,7 +518,7 @@ function has_action($tag, $function_to_check = false) { * @param string $tag The action hook to which the function to be removed is hooked. * @param callback $function_to_remove The name of the function which should be removed. * @param int $priority optional The priority of the function (default: 10). - * @param int $accepted_args optional. The number of arguments the function accpets (default: 1). + * @param int $accepted_args optional. The number of arguments the function accepts (default: 1). * @return boolean Whether the function is removed. */ function remove_action($tag, $function_to_remove, $priority = 10, $accepted_args = 1) { @@ -597,9 +667,14 @@ function register_deactivation_hook($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( $callback[0] ) ) { + _doing_it_wrong( __FUNCTION__, __( 'Only a static class method or function can be used in an uninstall hook.' ), '3.1' ); + return; + } + // The option should not be autoloaded, because it is not needed in most // cases. Emphasis should be put on using the 'uninstall.php' way of // uninstalling the plugin. @@ -667,32 +742,43 @@ function _wp_call_all_hook($args) { * @global array $wp_filter Storage for all of the filters and actions * @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. + * @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. + * @return string|bool Unique ID for usage as array key or false if $priority === false and $function is an object reference, and it does not already have a unique id. */ function _wp_filter_build_unique_id($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]; + } } - -?>