求助 页面显示 Call to undefined function mysql_connect()

[hncsjj]

<?php
$con = mysql_connect("localhost","mysql_user","mysql_pwd");
if (!$con)
{
die('Could not connect: ' . mysql_error());
}

// 一些代码...

mysql_close($con);
?>
页面代码

网页显示
Fatal error: Call to undefined function mysql_connect() in /usr/local/nginx/html/test.php on line 2

错误日志
2015/01/29 06:36:15 [error] 1753#0: *1 FastCGI sent in stderr: "PHP message: PHP Fatal error: Call to undefined function mysql_connect() in /usr/local/nginx/html/test.php on line 2" while reading response header from upstream, client: 192.168.106.1, server: localhost, request: "GET /test.php HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "192.168.106.21"

[kankana]

居然没人回复你啊

http://php.net/manual/en/function.mysql-connect.php

Warning
This extension is deprecated as of PHP 5.5.0, and will be removed in the future.

不会刚好是5.5+?

[liuhaotian]

换成mysqli_connect还会这样吗？