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Reference Material

SplQueue::dequeue

(PHP 5 >= 5.3.0)

SplQueue::dequeue — Dequeues a node from the queue

mixed SplQueue::dequeue ( void )

Dequeues value from the top of the queue.

Note:
SplQueue::dequeue is an alias of SplDoublyLinkedList::shift.

This function has no parameters.

The value of the dequeued node.