Php/docs/function.cubrid-ping
cubrid_ping
(PECL CUBRID >= 8.3.1)
cubrid_ping — Ping a server connection or reconnect if there is no connection
说明
cubrid_ping
([ resource $conn_identifier
] ) : bool
Checks whether or not the connection to the server is working.
参数
conn_identifier- The CUBRID connection identifier. If the connection identifier is not specified, the last connection opened by cubrid_connect() is assumed.
返回值
Returns true if the connection to the server CUBRID server is working, otherwise false.
范例
Example #1 cubrid_ping() example
<?phpset_time_limit(0);$conn = cubrid_connect('localhost', 33000, 'demodb');/* Assuming this query will take a long time */$sql = "select * from athlete";$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 */$sql2 = "select * from code";$result2 = cubrid_query($sql2);?>
