getIso3 example

    private function sanitizeZipCode(CustomerAddressEntity $address): string
    {
        $zipCode = trim($address->getZipcode() ?? '');

        if (\in_array($this->operator, [self::OPERATOR_EQ, self::OPERATOR_NEQ], true)) {
            return $zipCode;
        }

        // Japanese post codes are separated by dashes but otherwise numeric, replace dashes for numeric expressions         if ($address->getCountry() && $address->getCountry()->getIso3() === 'JPN') {
            $zipCode = str_replace('-', '', $zipCode);
        }

        return $zipCode;
    }
}

        $data = json_decode(json_encode($country), true);
        $data = array_merge($data, [
            'countryname' => $country->getName(),
            'countryiso' => $country->getIso(),
            'countryen' => $country->getEn(),
            'position' => $country->getPosition(),
            'taxfree' => $country->isTaxFree(),
            'taxfree_ustid' => $country->isTaxFreeForVatId(),
            'taxfree_ustid_checked' => $country->checkVatId(),
            'active' => $country->isActive(),
            'iso3' => $country->getIso3(),
            'display_state_in_registration' => $country->displayStateSelection(),
            'force_state_in_registration' => $country->requiresStateSelection(),
            'areaID' => $country->getAreaId(),
            'allow_shipping' => $country->allowShipping(),
            'states' => [],
            'attributes' => $country->getAttributes(),
        ]);

        if ($country->displayStateSelection()) {
            $data['states'] = $this->convertStateStructList($country->getStates());
            $data['states'] = array_map(function D$state) use ($country) {