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PHP - Manual: Swoole\Connection\Iterator::offsetExists - 互联网笔记

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PHP - Manual: Swoole\Connection\Iterator::offsetExists

2025-06-02

Swoole\Connection\Iterator::offsetExists

(PECL swoole >= 1.9.0)

Swoole\Connection\Iterator::offsetExistsCheck if offset exists.

说明

public Swoole\Connection\Iterator::offsetExists(int $index): bool

Check if offset exists.

参数

index

The offset being checked.

返回值

Returns TRUE if the offset exists, otherwise FALSE.

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官方地址:https://www.php.net/manual/en/swoole-connection-iterator.offsetexists.php

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