MysqlndUhConnection::nextResultMysqlndUhConnection::ping
(PECL mysqlnd-uh >= 1.0.0-alpha)
MysqlndUhConnection::ping — Pings a server connection, or tries to reconnect if the connection has gone down
Descrierea
public bool MysqlndUhConnection::ping
( mysqlnd_connection
$connection
)Pings a server connection, or tries to reconnect if the connection has gone down.
Parametri
-
connection -
Mysqlnd connection handle. Do not modify!
Valorile întoarse
Returns TRUE on success.
Otherwise, returns FALSE
Exemple
Example #1 MysqlndUhConnection::ping() example
<?php
class proxy extends MysqlndUhConnection {
public function ping($res) {
printf("%s(%s)\n", __METHOD__, var_export(func_get_args(), true));
$ret = parent::ping($res);
printf("%s returns %s\n", __METHOD__, var_export($ret, true));
return $ret;
}
}
mysqlnd_uh_set_connection_proxy(new proxy());
$mysqli = new mysqli("localhost", "root", "", "test");
$mysqli->ping();
?>
Exemplul de mai sus va afișa:
proxy::ping(array ( 0 => NULL, )) proxy::ping returns true
Vedeți de asemenea
- mysqlnd_uh_set_connection_proxy() - Installs a proxy for mysqlnd connections
- mysqli_ping() - Pings a server connection, or tries to reconnect if the connection has gone down
- mysql_ping() - Ping a server connection or reconnect if there is no connection
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