This is a great solution for a webmail class if you want to make sure that a user is still logged in. Example:
<?php
if(!(imap_ping($stream)) {
die("The user is no longer logged in.");
?>
imap_ping
(PHP 4, PHP 5, PHP 7)
imap_ping — Check if the IMAP stream is still active
Descrierea
imap_ping
( resource
$imap_stream
) : boolimap_ping() pings the stream to see if it's still active. It may discover new mail; this is the preferred method for a periodic "new mail check" as well as a "keep alive" for servers which have inactivity timeout.
Valorile întoarse
Returns true if the stream is still alive, false otherwise.
Exemple
Example #1 imap_ping() Example
<?php
$imap = imap_open("{imap.example.org}", "mailadmin", "password");
// after some sleeping
if (!imap_ping($imap)) {
// do some stuff to reconnect
}
?>
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