/** * @see ObjectModel::validateController() */ public function validateController($htmlentities = true) { $errors = parent::validateController($htmlentities); if (!Configuration::get('VATNUMBER_MANAGEMENT') || !Configuration::get('VATNUMBER_CHECKING')) { return $errors; } include_once _PS_MODULE_DIR_ . 'vatnumber/vatnumber.php'; if (class_exists('VatNumber', false)) { return array_merge($errors, VatNumber::WebServiceCheck($this->vat_number)); } return $errors; }