Php/docs/function.imap-ping
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imap_ping
(PHP 4, PHP 5, PHP 7)
imap_ping — Check if the IMAP stream is still active
Description
imap_ping
( resource $imap_stream
) : bool
imap_ping() pings the stream to see if it's still active. It may discover new mail; this is the preferred method for a periodic "new mail check" as well as a "keep alive" for servers which have inactivity timeout.
Return Values
Returns TRUE if the stream is still alive, FALSE otherwise.
Examples
Example #1 imap_ping() Example
<?php$imap = imap_open("{imap.example.org}", "mailadmin", "password");// after some sleepingif (!imap_ping($imap)) { // do some stuff to reconnect}?>
