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Check if the IMAP stream is still active (PHP 4, PHP 5)
bool 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.



An IMAP stream returned by imap_open().

Return Values

Returns TRUE if the stream is still alive, FALSE otherwise.


Example 1059. imap_ping() Example


= imap_open("{}", "mailadmin", "password");

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