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.
imap_gc
(PHP 5 >= 5.3.0, PHP 7)
imap_gc — Clears IMAP cache
Description
imap_gc
( resource
$imap_stream
, int $caches
) : boolPurges the cache of entries of a specific type.
Parameters
-
imap_stream -
An IMAP stream returned by imap_open().
-
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(envelope and bodies),IMAP_GC_TEXTS(texts).
Return Values
Returns TRUE on success or FALSE on failure.
Examples
Example #1 imap_gc() example
<?php
$mbox = imap_open("{imap.example.org:143}", "username", "password");
imap_gc($mbox, IMAP_GC_ELT);
?>
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