getExtraFilterArgs(), $arguments) ); } /** * Dynamically add accessors to template wrappers. * * Example: * * Adding `{{ episode.summary }}` functionality * * ``` * \Podlove\Template\Episode::add_accessor( * 'summary', * function($return, $method_name, $episode, $post) { * return $episode->summary; * }, 4 * ); * ``` * * @param string $name accessor name * @param function $method accessor implementation * @param int $extraFilterArgs filter arguments length, defaults to 2 */ public static function add_accessor($name, $method, $extraFilterArgs = 2) { // implement the actual accessor add_filter( static::get_magic_getter_filter_name($name), $method, 10, $extraFilterArgs ); if (!isset(static::$dynamicAccessors[static::get_class_slug()])) { static::$dynamicAccessors[static::get_class_slug()] = []; } static::$dynamicAccessors[static::get_class_slug()][] = $name; } public static function get_class_slug() { $class = get_called_class(); $split = explode('\\', $class); return strtolower(end($split)); } public static function get_magic_getter_filter_name($name) { return 'podlove_template_'.static::get_class_slug().'_method_'.$name; } /** * Override to pass extra arguments to filter methods. * * Adds arguments to the following filters: * - podlove_template__method * * @return array */ abstract protected function getExtraFilterArgs(); }