cubrid_ping

Ping a server connection or reconnect if there is no connection

説明

bool cubrid_ping(resource $conn_identifier = ?)

Checks whether or not the connection to the server is working.

パラメータ

conn_identifier: The CUBRID connection identifier. If the connection identifier is not specified, the last connection opened by cubrid_connect is assumed.

戻り値

Returns true if the connection to the server CUBRID server is working, otherwise false.

例

例1 cubrid_ping example

<?php
set_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);
?>