Php/docs/spldoublylinkedlist.shift
来自菜鸟教程
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 ( ) : mixed
参数
此函数没有参数。
返回值
The value of the shifted node.