public static function config($static_url = '/dump-static', $special_paths = [], $nesting_level = 5) { if (func_num_args() == 0) { return ['static_url' => self::$_static_url, 'special_paths' => self::$_special_paths, 'nesting_level' => self::$_nesting_level]; } self::$_static_url = $static_url; self::$_special_paths = $special_paths; self::$_nesting_level = $nesting_level; }