(PHP 4, PHP 5, PHP 7, PHP 8)

imap_pingCheck if the IMAP stream is still active


imap_ping ( resource $imap ) : 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.

Elenco dei parametri


Uno stream IMAP restituito da imap_open().

Valori restituiti

Returns true if the stream is still alive, false otherwise.


Example #1 imap_ping() Example



// after some sleeping
if (!imap_ping($imap)) {
// do some stuff to reconnect


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