pg_ping

(PHP 4 >= 4.3.0, PHP 5)

pg_ping -- Ping 数据库连接

说明

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

例子 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()pg_connection_reset()