public function unsubFromAll($obj)
    {
        foreach ($this->events as $event) {
            $event->unsub($obj);
        }
        return true;
    }
public function unsubFromAll($obj)
    {
        foreach ($this->events as $event) {
            $event->unsub($obj);
        }
        return true;
    }
public function unsubFromAll ( $ obj ) { foreach ( $ this -> events as $ event ) { $ event -> unsub ( $ obj ) ; } return true ; }
Unsubscribe object from all events
@param  object $obj Subscriber
@return boolean      Success
Unsubscribe object from all events