Bluz\Proxy\Request::getClientIp PHP Method

    public static function getClientIp($checkProxy = true)
    {
        if ($checkProxy && self::getServer('HTTP_CLIENT_IP') != null) {
            $ip = self::getServer('HTTP_CLIENT_IP');
        } else {
            if ($checkProxy && self::getServer('HTTP_X_FORWARDED_FOR') != null) {
                $ip = self::getServer('HTTP_X_FORWARDED_FOR');
            } else {
                $ip = self::getServer('REMOTE_ADDR');
            }
        }
        return $ip;
    }