Php/docs/function.pg-ping
来自菜鸟教程
pg_ping
(PHP 4 >= 4.3.0, PHP 5, PHP 7)
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
。
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");?>