/** * Resets the handlers for all groups or for a particular group. Mainly used for testing. * * @param string|false $group If false, resets all handlers; otherwise, resets the specified handler group */ public static function resetHandlerInfo($group = false) { if ($group === false) { self::$_handlerCache = array(); } else { unset(self::$_handlerCache[strval($group)]); } }