public function addListeners($event, $listeners)
    {
        foreach ($listeners as $listener) {
            $this->addListener($event, $listener);
        }
    }
public function addListeners($event, $listeners)
    {
        foreach ($listeners as $listener) {
            $this->addListener($event, $listener);
        }
    }
public function addListeners ( $ event , $ listeners ) { foreach ( $ listeners as $ listener ) { $ this -> addListener ( $ event , $ listener ) ; } }
Adds a set of listeners.

@param string $event
@param callable $listeners
Adds a set of listeners .