Kraken\Event\EventEmitterInterface::findListener PHP Method

findListener() public method

Find listener for event. Returns int greater or equal 0 if listener is found or null if not.
public findListener ( string $event, callable $listener ) : integer | null
$event string
$listener callable
return integer | null
    public function findListener($event, callable $listener);

Usage Example

 /**
  * @see EventEmitterInterface::findListener
  */
 public function findListener($event, callable $listener)
 {
     return $this->emitter->findListener($event, $listener);
 }
All Usage Examples Of Kraken\Event\EventEmitterInterface::findListener