public function unsub($id, $obj)
    {
        if (!isset($this->events[$id])) {
            return false;
        }
        return $this->events[$id]->unsub($obj);
    }
public function unsub($id, $obj)
    {
        if (!isset($this->events[$id])) {
            return false;
        }
        return $this->events[$id]->unsub($obj);
    }
public function unsub ( $ id , $ obj ) { if ( ! isset ( $ this -> events [ $ id ] ) ) { return false ; } return $ this -> events [ $ id ] -> unsub ( $ obj ) ; }
Unsubscribe object from event
@param  string $id Event ID
@param  object $obj Subscriber
@return boolean      Success
Unsubscribe object from event