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
Purges the cache of entries of a specific type.
imapAn IMAP\Connection instance.
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).
Always returns true.
Throws a ValueError if flags
is invalid.
| Version | Description |
|---|---|
| 8.1.0 |
The imap parameter expects an IMAP\Connection
instance now; previously, a valid imap resource was expected.
|
| 8.0.0 |
A ValueError is now thrown on invalid
flags parameter values. Previously,
a warning was emitted and the function returned false.
|
Example #1 imap_gc() example
<?php
$mbox = imap_open("{imap.example.org:143}", "username", "password");
imap_gc($mbox, IMAP_GC_ELT);
?>