ip_test

if ($_SERVER ["HTTP_X_FORWARDED_FOR"])
    $ip = $_SERVER ["HTTP_X_FORWARDED_FOR"];
else if ($_SERVER ["HTTP_CLIENT_IP"])
    $ip = $_SERVER ["HTTP_CLIENT_IP"];
else if ($_SERVER ["REMOTE_ADDR"])
    $ip = $_SERVER ["REMOTE_ADDR"];
else if (getenv ( "HTTP_X_FORWARDED_FOR" ))
    $ip = getenv ( "HTTP_X_FORWARDED_FOR" );
else if (getenv ( "HTTP_CLIENT_IP" ))
    $ip = getenv ( "HTTP_CLIENT_IP" );
else if (getenv ( "REMOTE_ADDR" ))
    $ip = getenv ( "REMOTE_ADDR" );
else
    $ip = "Unknown";
echo $ip;
die ();