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"); ?>参见pg_connection_status()和pg_connection_reset()。