(PHP 8 >= 8.2.1)
imap_is_open — Checc if the IMAP stream is still valid
Example #1 imap_is_open() example
<?php
$mbox
=
imap_open
(
"{imap.example.org:143}IMBOX"
,
"username"
,
"password"
) or die(
implode
(
", "
,
imap_errors
()));
imap_is_open
(
$mbox
);
// ...
?>