X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/7f1521bf193b382565eb753043c161f4cb3fcda7..refs/tags/wordpress-4.3:/wp-includes/plugin.php diff --git a/wp-includes/plugin.php b/wp-includes/plugin.php index 331633c4..0042c5bb 100644 --- a/wp-includes/plugin.php +++ b/wp-includes/plugin.php @@ -76,7 +76,7 @@ if ( ! isset( $wp_current_filter ) ) * and functions with the same priority are executed * in the order in which they were added to the action. * @param int $accepted_args Optional. The number of arguments the function accepts. Default 1. - * @return boolean true + * @return true */ function add_filter( $tag, $function_to_add, $priority = 10, $accepted_args = 1 ) { global $wp_filter, $merged_filters; @@ -96,12 +96,12 @@ function add_filter( $tag, $function_to_add, $priority = 10, $accepted_args = 1 * * @param string $tag The name of the filter hook. * @param callback|bool $function_to_check Optional. The callback to check for. Default false. - * @return bool|int If $function_to_check is omitted, returns boolean for whether the hook has - * anything registered. When checking a specific function, the priority of that - * hook is returned, or false if the function is not attached. When using the - * $function_to_check argument, this function may return a non-boolean value - * that evaluates to false (e.g.) 0, so use the === operator for testing the - * return value. + * @return false|int If $function_to_check is omitted, returns boolean for whether the hook has + * anything registered. When checking a specific function, the priority of that + * hook is returned, or false if the function is not attached. When using the + * $function_to_check argument, this function may return a non-boolean value + * that evaluates to false (e.g.) 0, so use the === operator for testing the + * return value. */ function has_filter($tag, $function_to_check = false) { // Don't reset the internal array pointer @@ -124,7 +124,7 @@ function has_filter($tag, $function_to_check = false) { } } - if ( false === $function_to_check || false == $has ) + if ( false === $function_to_check || false === $has ) return $has; if ( !$idx = _wp_filter_build_unique_id($tag, $function_to_check, false) ) @@ -288,10 +288,13 @@ function apply_filters_ref_array($tag, $args) { * * @since 1.2.0 * + * @global array $wp_filter Stores all of the filters + * @global array $merged_filters Merges the filter hooks using this function. + * * @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. - * @return boolean Whether the function existed before it was removed. + * @return bool Whether the function existed before it was removed. */ function remove_filter( $tag, $function_to_remove, $priority = 10 ) { $function_to_remove = _wp_filter_build_unique_id( $tag, $function_to_remove, $priority ); @@ -317,9 +320,12 @@ function remove_filter( $tag, $function_to_remove, $priority = 10 ) { * * @since 2.7.0 * + * @global array $wp_filter Stores all of the filters + * @global array $merged_filters Merges the filter hooks using this function. + * * @param string $tag The filter to remove hooks from. * @param int|bool $priority Optional. The priority number to remove. Default false. - * @return bool True when finished. + * @return true True when finished. */ function remove_all_filters( $tag, $priority = false ) { global $wp_filter, $merged_filters; @@ -332,9 +338,7 @@ function remove_all_filters( $tag, $priority = false ) { } } - if ( isset( $merged_filters[ $tag ] ) ) { - unset( $merged_filters[ $tag ] ); - } + unset( $merged_filters[ $tag ] ); return true; } @@ -344,6 +348,8 @@ function remove_all_filters( $tag, $priority = false ) { * * @since 2.5.0 * + * @global array $wp_current_filter Stores the list of current filters with the current one last + * * @return string Hook name of the current filter or action. */ function current_filter() { @@ -423,8 +429,8 @@ function doing_action( $action = null ) { * Lower numbers correspond with earlier execution, * and functions with the same priority are executed * in the order in which they were added to the action. - * @param int $accepted_args Optional. The number of arguments the function accept. Default 1. - * @return bool Will always return true. + * @param int $accepted_args Optional. The number of arguments the function accepts. Default 1. + * @return true Will always return true. */ function add_action($tag, $function_to_add, $priority = 10, $accepted_args = 1) { return add_filter($tag, $function_to_add, $priority, $accepted_args); @@ -442,13 +448,14 @@ function add_action($tag, $function_to_add, $priority = 10, $accepted_args = 1) * * @since 1.2.0 * - * @global array $wp_filter Stores all of the filters - * @global array $wp_actions Increments the amount of times action was triggered. + * @global array $wp_filter Stores all of the filters + * @global array $wp_actions Increments the amount of times action was triggered. + * @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 action to be executed. * @param mixed $arg Optional. Additional arguments which are passed on to the * functions hooked to the action. Default empty. - * @return null Will return null if $tag does not exist in $wp_filter array. */ function do_action($tag, $arg = '') { global $wp_filter, $wp_actions, $merged_filters, $wp_current_filter; @@ -526,12 +533,13 @@ function did_action($tag) { * * @see do_action() This function is identical, but the arguments passed to the * functions hooked to $tag< are supplied using an array. - * @global array $wp_filter Stores all of the filters - * @global array $wp_actions Increments the amount of times action was triggered. + * @global array $wp_filter Stores all of the filters + * @global array $wp_actions Increments the amount of times action was triggered. + * @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 action to be executed. * @param array $args The arguments supplied to the functions hooked to `$tag`. - * @return null Will return null if `$tag` does not exist in `$wp_filter` array. */ function do_action_ref_array($tag, $args) { global $wp_filter, $wp_actions, $merged_filters, $wp_current_filter; @@ -607,7 +615,7 @@ function has_action($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. - * @return boolean Whether the function is removed. + * @return bool Whether the function is removed. */ function remove_action( $tag, $function_to_remove, $priority = 10 ) { return remove_filter( $tag, $function_to_remove, $priority ); @@ -620,7 +628,7 @@ function remove_action( $tag, $function_to_remove, $priority = 10 ) { * * @param string $tag The action to remove hooks from. * @param int|bool $priority The priority number to remove them from. Default false. - * @return bool True when finished. + * @return true True when finished. */ function remove_all_actions($tag, $priority = false) { return remove_all_filters($tag, $priority); @@ -637,6 +645,8 @@ function remove_all_actions($tag, $priority = false) { * * @since 1.5.0 * + * @global array $wp_plugin_paths + * * @param string $file The filename of plugin. * @return string The name of a plugin. */ @@ -667,6 +677,11 @@ function plugin_basename( $file ) { * * @see plugin_basename() * + * @global array $wp_plugin_paths + * + * @staticvar string $wp_plugin_path + * @staticvar string $wpmu_plugin_path + * * @param string $file Known path to the file. * @return bool Whether the path was able to be registered. */ @@ -674,7 +689,7 @@ function wp_register_plugin_realpath( $file ) { global $wp_plugin_paths; // Normalize, but store as static to avoid recalculation of a constant value - static $wp_plugin_path, $wpmu_plugin_path; + static $wp_plugin_path = null, $wpmu_plugin_path = null; if ( ! isset( $wp_plugin_path ) ) { $wp_plugin_path = wp_normalize_path( WP_PLUGIN_DIR ); $wpmu_plugin_path = wp_normalize_path( WPMU_PLUGIN_DIR ); @@ -821,6 +836,8 @@ function register_uninstall_hook( $file, $callback ) { * @since 2.5.0 * @access private * + * @global array $wp_filter Stores all of the filters + * * @param array $args The collected parameters from the hook that was called. */ function _wp_call_all_hook($args) { @@ -858,15 +875,16 @@ function _wp_call_all_hook($args) { * @access private * * @global array $wp_filter Storage for all of the filters and actions. + * @staticvar int $filter_id_count * * @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. - * @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. + * @return string|false 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;