文字
imap_gc
(PHP 5, PHP 7 >= 5.3.0)
imap_gc — Clears 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 -
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).
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 ( $mbox , IMAP_GC_ELT );
?> 用户评论:
[#1] Anonymous [2009-07-23 12:47:46]
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.