public function put(
		$data,
		$priority = self::DEFAULT_PRIORITY,
		$delay = self::DEFAULT_DELAY,
		$ttr = self::DEFAULT_TTR
	)
	{
		$response = $this->_dispatch(
			new Pheanstalk_Command_PutCommand($data, $priority, $delay, $ttr)
		);

		return $response['id'];
	}