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.
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
imap_gc — Clears IMAP cache
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).
总是返回 true
。
Throws a ValueError if flags
is invalid.
版本 | 说明 |
---|---|
8.1.0 |
现在 imap 参数接受 IMAP\Connection
实例,之前接受有效的 imap resource。
|
8.0.0 |
A ValueError is now thrown on invalid
flags parameter values. Previously,
a warning was emitted and the function returned false .
|
示例 #1 imap_gc() example
<?php
$mbox = imap_open("{imap.example.org:143}", "username", "password");
imap_gc($mbox, IMAP_GC_ELT);
?>