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imap_ping (PHP 3, PHP 4, PHP 5) imap_ping -- Check if the IMAP stream is still active Descrizionebool imap_ping ( resource imap_stream )
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.
Valori restituiti
Returns TRUE if the stream is still alive, FALSE otherwise.
Esempi
Esempio 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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