CascadiaPHP 2024

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);
// ...
?>

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