How to get visitor's ip address using php (code)

这篇文章给大家介绍的内容是关于如何使用php获取来访者的ip地址（代码），有一定的参考价值，有需要的朋友可以参考一下，希望对你有所帮助。

if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
            $ip = $_SERVER['HTTP_CLIENT_IP'];
        } elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {//检查ip是从代{过}{滤}理传递过来的
            $ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
        } else {
            $ip = $_SERVER['REMOTE_ADDR'];
        }
        return $ip;

Client_IP:".getenv('HTTP_CLIENT_IP').
"
X_Forwarded_For(最右为真实IP):".getenv('HTTP_X_FORWARDED_FOR').
"
真实IP".
"
REMOTE_ADDR:".getenv('REMOTE_ADDR').
"
\$_SERVER['REMOTE_ADDR']:".$_SERVER['REMOTE_ADDR'];

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