получить реальный IP адрес

Функция для получения реального IP адреса:

function getRealIpAddr()
{ 
    if (!empty($_SERVER['HTTP_CLIENT_IP'])) { //check ip from share internet
        $ip=$_SERVER['HTTP_CLIENT_IP'];
    }
    elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) { //to check ip is pass from proxy 
        $ip=$_SERVER['HTTP_X_FORWARDED_FOR'];
    } 
    else { 
        $ip=$_SERVER['REMOTE_ADDR'];
    } 

    return $ip; 
}

function getRealIpAddr()

{

if (!empty($_SERVER['HTTP_CLIENT_IP'])) { //check ip from share internet

$ip=$_SERVER['HTTP_CLIENT_IP'];

}

elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) { //to check ip is pass from proxy

$ip=$_SERVER['HTTP_X_FORWARDED_FOR'];

}

else {

$ip=$_SERVER['REMOTE_ADDR'];

}

return $ip;

}