The cubrid_ping function pings a server connection or reconnection if there is no connection.
bool cubrid_ping ([resource $conn_identifier ])
<?php
set_time_limit(0);
$conn = cubrid_connect('localhost', 33000, 'demodb');
/* Assuming this query will take a long time */
$result = cubrid_query($sql);
if (!$result) {
echo 'Query #1 failed, exiting.';
exit;
}
/* Make sure the connection is still alive, if not, try to reconnect */
if (!cubrid_ping($conn)) {
echo 'Lost connection, exiting after query #1';
exit;
}
cubrid_free_result($result);
/* So the connection is still alive, let's run another query */
$result2 = cubrid_query($sql2);
?>