pg_get_pid

说明

pg_get_pid实例

pg_get_pid

(PHP 4 >= 4.3.0)

pg_get_pid -- Ping 数据库连接

说明

int pg_get_pid ( resource connection)

pg_get_pid() 取得后端（数据库服务器进程）的 PID。PID 用来检查其它进程是否发送了 NOTIFY 消息。

pg_get_pid实例

PostgreSQL 后端 PID

<?php

$conn = pg_pconnect("dbname=publisher");

if (!$conn) {

echo "An error occured.\";

exit;

}

// Backend process PID. Use PID with pg_get_notify()

$pid = pg_get_pid($conn);

?>