SplDoublyLinkedList::shift

(PHP 5 >= 5.3.0, PHP 7)

SplDoublyLinkedList::shift — Shifts a node from the beginning of the doubly linked list

说明

public SplDoublyLinkedList::shift ( void ) : mixed

参数

此函数没有参数。

返回值

The value of the shifted node.

错误／异常

Throws RuntimeException when the data-structure is empty.

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