pg_ping()

(PHP 4 >= 4.3.0, PHP 5, PHP 7)

Ping 数据库连接

说明

pg_ping(resource $connection): bool

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。

Example #1 pg_ping()

<?php 
$conn = pg_pconnect ("dbname=publisher");
if (!$conn) {
    echo "An error occured.\n";
    exit;
}
if (!pg_ping($conn))
    die("Connection is broken\n");
?>