src/Queue/InMemoryQueue.php
function size($queue = null)
    {
        $queue = $this->_normalizeQueueName($queue);

        return (isset($this->queues[$queue])) ? count($this->queues[$queue]) : 0;
    }
function size($queue = null)
    {
        $queue = $this->_normalizeQueueName($queue);

        return (isset($this->queues[$queue])) ? count($this->queues[$queue]) : 0;
    }
function size ( $ queue = null ) { $ queue = $ this -> _normalizeQueueName ( $ queue ) ; return ( isset ( $ this -> queues [ $ queue ] ) ) ? count ( $ this -> queues [ $ queue ] ) : 0 ; }
Get Queue Size

@param string $queue

@return int
@throws exIOError
Get Queue Size