imap_gc

(PHP 5 >= 5.3.0)

imap_gc — Clears IMAP cache

bool imap_gc ( resource $imap_stream , int $caches )

Purges the cache of entries of a specific type.

imap_stream: 由 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).

成功时返回 TRUE，或者在失败时返回 FALSE.

Example #1 imap_gc() example


<?php

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

imap_gc($mbox, IMAP_GC_ELT);

?>