protected function _getQueue($nQueueKey, $nProcess = 0)
	{
		if (!shm_has_var($this->_hShm, $nQueueKey + $nProcess)) {
			return array();
		}
		return shm_get_var($this->_hShm, $nQueueKey + $nProcess);
	}
protected function _getQueue($nQueueKey, $nProcess = 0)
	{
		if (!shm_has_var($this->_hShm, $nQueueKey + $nProcess)) {
			return array();
		}
		return shm_get_var($this->_hShm, $nQueueKey + $nProcess);
	}
protected function _getQueue ( $ nQueueKey , $ nProcess = 0 ) { if ( ! shm_has_var ( $ this -> _hShm , $ nQueueKey + $ nProcess ) ) { return array ( ) ; } return shm_get_var ( $ this -> _hShm , $ nQueueKey + $ nProcess ) ; }
Returns the queue from the shared memory.

@param  $nQueueKey @type integer The key of the queue stored in the shared
memory.
@param  $nProcess @type integer @optional The process cardinal number.
@return @type array Array of messages from the queue.
Returns the queue from the shared memory .