(PHP 5 >= 5.3.0)
SplQueue::dequeue — Dequeues a node from the queue
Dequeues value from the top of the queue.
Hinweis:
SplQueue::dequeue() is an alias of SplDoublyLinkedList::shift().
Diese Funktion hat keine Parameter.
The value of the dequeued node.
If the queue is empty, dequeue() will raise an 'RuntimeException' with message 'Can't shift from an empty datastructure'.