pg_ping
(PHP 4 >= 4.3.0, PHP 5)
pg_ping — Ping database connection
Опис
bool pg_ping
([ resource
$connection
] )pg_ping() pings a database connection and tries to reconnect it if it is broken.
Параметри
-
connection -
PostgreSQL database connection resource. When
connectionis not present, the default connection is used. The default connection is the last connection made by pg_connect() or pg_pconnect().
Значення, що повертаються
Повертає TRUE в успішному випадку або FALSE в разі помилки.
Приклади
Приклад #1 pg_ping() example
<?php
$conn = pg_pconnect("dbname=publisher");
if (!$conn) {
echo "An error occurred.\n";
exit;
}
if (!pg_ping($conn))
die("Connection is broken\n");
?>
Прогляньте Також
- pg_connection_status() - Get connection status
- pg_connection_reset() - Reset connection (reconnect)
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