SunshinePHP Developer Conference 2015

imap_gc

(PHP 5 >= 5.3.0)

imap_gcClears IMAP cache

说明

bool imap_gc ( resource $imap_stream , int $caches )

Purges the cache of entries of a specific type.

参数

imap_stream

imap_open() 返回的 IMAP 流。

caches

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

返回值

成功时返回 TRUE, 或者在失败时返回 FALSE

范例

Example #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
5 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.
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