Get Remote IP Address in PHP

This code allows to get the IP address from which the user is viewing the current page.

/* Source: */

function getRemoteIPAddress(){
    $ip = isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : '';
    return $ip;
/* If your visitor comes from proxy server you have use another function
to get a real IP address: */
function getRealIPAddress(){   
        //check ip from share internet
        $ip = $_SERVER['HTTP_CLIENT_IP'];
    }else if(!empty($_SERVER['HTTP_X_FORWARDED_FOR'])){
        //to check ip is pass from proxy
        $ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
        $ip = $_SERVER['REMOTE_ADDR'];
    return $ip;


echo getRealIPAddress();


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