Deprecated: Optional parameter $keys declared before required parameter $cms_id is implicitly treated as a required parameter in /home/www/dev/work/class/blog/CmsKey.php on line 75

Deprecated: Creation of dynamic property lvesu\lvesu\controller\blog\php::$title is deprecated in /home/www/dev/work/website/lvesu/class/controller/blog/php.php on line 28

Deprecated: Creation of dynamic property lvesu\lvesu\controller\blog\php::$outlink is deprecated in /home/www/dev/work/website/lvesu/template/blog/cms/php.manual.tpl on line 2

Deprecated: Creation of dynamic property lvesu\lvesu\controller\blog\php::$status is deprecated in /home/www/dev/work/website/lvesu/template/blog/index.head.php on line 2
PHP - Manual: imap_is_open - 互联网笔记

略微加速

PHP官方手册 - 互联网笔记

PHP - Manual: imap_is_open

2025-04-28

imap_is_open

(PHP 8 >= 8.2.1)

imap_is_openCheck if the IMAP stream is still valid

说明

imap_is_open(IMAP\Connection $imap): bool

Check if the IMAP stream is still valid.

参数

imap

IMAP\Connection 实例。

返回值

Returns true if the stream is still valid, false otherwise.

示例

示例 #1 imap_is_open() example

<?php
$mbox
= imap_open("{imap.example.org:143}INBOX", "username", "password") or die(implode(", ", imap_errors()));
imap_is_open($mbox);
// ...
?>
添加备注

用户贡献的备注

此页面尚无用户贡献的备注。

官方地址:https://www.php.net/manual/en/function.imap-is-open.php

北京半月雨文化科技有限公司.版权所有 京ICP备12026184号-3