Laravel Queue::push return job id

l4-queue-push-ret-id

// For IronIO
// file src/Illuminate/Queue/IronQueue.php line 64
	public function push($job, $data = '', $queue = null)
	{
		$payload = $this->createPayload($job, $data);

		$response = $this->iron->postMessage($this->getQueue($queue), $payload);

		return $response->id;
	}

// For Amazon SQS
// file src/Illuminate/Queue/SqsQueue.php line 43
	public function push($job, $data = '', $queue = null)
	{
		$payload = $this->createPayload($job, $data);

		$response = $this->sqs->sendMessage(array('QueueUrl' => $this->getQueue($queue), 'MessageBody' => $payload));

		return $response->get('MessageId');

	}

// For Beanstalkd server
// file src/Illuminate/Queue/BeanstalkdQueue.php line 44
	public function push($job, $data = '', $queue = null)
	{
		$payload = $this->createPayload($job, $data);

		return $this->pheanstalk->useTube($this->getQueue($queue))->put($payload);
	}