# SplQueue - 队列

[官方地址](http://php.net/manual/zh/class.splqueue.php)

队列这种数据结构简单，就像我们生活中排队一样，它的特性是先进先出(FIFO)。

![](/files/-LfnTKMvw0Yu9bpo5Do2)

PHP SPL中SplQueue类就是实现队列操作，和**栈**一样。它也可以继承双链表(SplDoublyLinkedList)轻松实现。

## 资料

这方面zendframework的底层有所重写实现，可以参考

<https://github.com/zendframework/zend-stdlib/blob/master/src/SplQueue.php>


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