<?php
    function getclientip()
    {
    if(!empty($_SERVER['HTTP_CLIENT_IP']))
     {
    //ip from share internet
    $ip = $_SERVER['HTTP_CLIENT_IP'];
    }
    elseif(!empty($_SERVER['HTTP_X_FORWARDED_FOR']))
    {
    //ip pass from proxy
    $ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
    }
    else
    {
    $ip = $_SERVER['REMOTE_ADDR'];
    }
    return $ip;
    }
    echo 'User Real IP - '.getclientip();
     ?>