get real user ip with PHP

userip.php

<?php
// from http://www.xpertdeveloper.com/2011/09/get-real-ip-address-using-php/
if (!empty($_SERVER["HTTP_CLIENT_IP"]))
{
 //check for ip from share internet
 $ip = $_SERVER["HTTP_CLIENT_IP"];
}
elseif (!empty($_SERVER["HTTP_X_FORWARDED_FOR"]))
{
 // Check for the Proxy User
 $ip = $_SERVER["HTTP_X_FORWARDED_FOR"];
}
else
{
 $ip = $_SERVER["REMOTE_ADDR"];
}

// This will print user's real IP Address
// does't matter if user using proxy or not.
echo $ip;
?>

you are the best !

thank you so much brother!