public static function trigger($event, &$data)
    {
        if (!isset(self::$manager)) {
            self::init();
        }

        return self::$manager->triggerEvent($event, $data);
    }
public static function trigger($event, &$data)
    {
        if (!isset(self::$manager)) {
            self::init();
        }

        return self::$manager->triggerEvent($event, $data);
    }
public static function trigger ( $ event , & $ data ) { if ( ! isset ( self :: $ manager ) ) { self :: init ( ) ; } return self :: $ manager -> triggerEvent ( $ event , $ data ) ; }
Trigger a set of event handlers, if present.
@param $event
@param $data
@return bool
Trigger a set of event handlers if present .