(PHP 5 >= 5.3.0, PHP 7)
SplQueue::dequeue — Dequeues a node from the queue
Dequeues value from the top of the queue.
value
Note: SplQueue::dequeue() is an alias of SplDoublyLinkedList::shift().
Note:
SplQueue::dequeue() is an alias of SplDoublyLinkedList::shift().
此函数没有参数。
The value of the dequeued node.