function ip(){ if (isset($_SERVER['HTTP_X_REAL_IP'])){ return $_SERVER['HTTP_X_REAL_IP']; }else{ if (!empty($_SERVER['HTTP_CLIENT_IP'])){ return $_SERVER['HTTP_CLIENT_IP']; }elseif (!empty($_SERVER ['HTTP_X_FORWARDED_FOR'])){ return $_SERVER['HTTP_X_FORWARDED_FOR']; }else{ return $_SERVER['REMOTE_ADDR']; } } }