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(PHP 8 >= 8.2.1)
imap_is_open — Verificar si el flujo IMAP sigue siendo válido
Verifica si el flujo IMAP sigue siendo válido.
Ejemplo #1 Ejemplo de imap_is_open()
<?php
$mbox = imap_open("{imap.example.org:143}INBOX", "username", "password") or die(implode(", ", imap_errors()));
imap_is_open($mbox);
// ...
?>