/*******************************************/
        public function setValue() {

        session_start();

                $checkvalue = md5(uniqid(rand(),1));
        $_SESSION['captcha'] = $checkvalue;

        return $checkvalue;
    }

    public function checkValue($val) {

        $val ? !empty($_POST['checkform']) : NULL;

        if (($val != NULL) && ($val == $this->setValue())) {
            echo "OK :)";
        } else {
            echo "Wrong :(";
        }

        return $val;
    }
/*******************************************/