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PHP - Manual: imap_gc

2024-11-14

imap_gc

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

imap_gcClears IMAP cache

说明

imap_gc(IMAP\Connection $imap, int $flags): bool

Purges the cache of entries of a specific type.

参数

imap

IMAP\Connection 实例。

flags

Specifies the cache to purge. It may one or a combination of the following constants: IMAP_GC_ELT (message cache elements), IMAP_GC_ENV (envelope and bodies), IMAP_GC_TEXTS (texts).

返回值

成功时返回 true, 或者在失败时返回 false

更新日志

版本 说明
8.1.0 现在 imap 参数接受 IMAP\Connection 实例,之前接受 资源(resource)

范例

示例 #1 imap_gc() example

<?php

$mbox 
imap_open("{imap.example.org:143}""username""password");

imap_gc($mboxIMAP_GC_ELT);

?>
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User Contributed Notes 1 note

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Anonymous
12 years ago
If you notice that you're program's memory usage is increasing (as observed using ps) while calling the imap functions, calling this function should free that memory.

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

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