private function storeInput($values)
    {
        $this->name = trim($values['name']);
        $this->number = trim(str_replace(" ","",$values['number']));
        $this->expiration_month = sprintf("%02d", $values['expiration_month']);
        $this->expiration_year = trim($values['expiration_year']);
        $this->line1 = trim($values['line1']);
        $this->city = trim($values['city']);
        $this->state = isset($values['state']) ? trim($values['state']) : null;
        $this->zip = trim($values['zip']);
        $this->country = trim($values['country']);
        $this->cvc = trim($values['cvc']);
    }