SplDoublyLinkedList::key

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

SplDoublyLinkedList::key — Return current node index

说明

public SplDoublyLinkedList::key(): int

This function returns the current node index

参数

此函数没有参数。

返回值

The current node index.

add a noteadd a note

User Contributed Notes

There are no user contributed notes for this page.

备份地址：http://www.lvesu.com/blog/php/spldoublylinkedlist.key.php