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PHP - Manual: SplDoublyLinkedList::key

2024-12-23

SplDoublyLinkedList::key

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

SplDoublyLinkedList::keyReturn 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.

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官方地址:https://www.php.net/manual/en/spldoublylinkedlist.key.php

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