(PHP 4 >= 4.3.0)
pg_ping -- Ping 数据库连接
bool pg_ping ( resource connection)
pg_ping() ping 数据库连接,如果中断则尝试重新连接。如果连接在活动状态返回 TRUE,否则返回 FALSE。
<?php
$conn = pg_pconnect ("dbname=publisher");
if (!$conn) {
echo "An error occured.\";
exit;
}
if (!pg_ping($conn))
die("Connection is broken\");
?>