pg_ping

(PHP 4 >= 4.3.0, PHP 5, PHP 7, PHP 8)

pg_ping — 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。

示例 #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");
?>

参见 pg_connection_status() 和 pg_connection_reset()。

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