略微加速

PHP官方手册 - 互联网笔记

PHP - Manual: ArrayIterator::offsetExists

2024-12-21

ArrayIterator::offsetExists

(PHP 5, PHP 7, PHP 8)

ArrayIterator::offsetExistsCheck if offset exists

说明

public ArrayIterator::offsetExists(mixed $key): bool

Checks if the offset exists.

警告

本函数还未编写文档,仅有参数列表。

参数

key

The offset being checked.

返回值

true if the offset exists, otherwise false

参见

add a noteadd a note

User Contributed Notes

There are no user contributed notes for this page.

官方地址:https://www.php.net/manual/en/arrayiterator.offsetexists.php

北京半月雨文化科技有限公司.版权所有 京ICP备12026184号-3