Dispatcher/GearmanCallbacksDispatcher.php
public function assignExceptionCallback(GearmanTask $gearmanTask)
    {
        $event = new GearmanClientCallbackExceptionEvent($gearmanTask);
        $this->eventDispatcher->dispatch(
            GearmanEvents::GEARMAN_CLIENT_CALLBACK_EXCEPTION,
            $event
        );
    }
public function assignExceptionCallback(GearmanTask $gearmanTask)
    {
        $event = new GearmanClientCallbackExceptionEvent($gearmanTask);
        $this->eventDispatcher->dispatch(
            GearmanEvents::GEARMAN_CLIENT_CALLBACK_EXCEPTION,
            $event
        );
    }
public function assignExceptionCallback ( GearmanTask $ gearmanTask ) { $ event = new GearmanClientCallbackExceptionEvent ( $ gearmanTask ) ; $ this -> eventDispatcher -> dispatch ( GearmanEvents :: GEARMAN_CLIENT_CALLBACK_EXCEPTION , $ event ) ; }
Assigns ExceptionCallback into GearmanTask

@see http://www.php.net/manual/en/gearmanclient.setexceptioncallback.php
Assigns ExceptionCallback into GearmanTask