SplDoublyLinkedList
PHP 手册

SplDoublyLinkedList::shift

(PHP 5 >= 5.3.0)

SplDoublyLinkedList::shiftShifts a node from the beginning of the doubly linked list

说明

public mixed SplDoublyLinkedList::shift ( void )

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.


SplDoublyLinkedList
PHP 手册