Sokil\Mongo\Validator\InValidator::validateField PHP Метод

    public function validateField(Structure $document, $fieldName, array $params)
    {
        if (!$document->get($fieldName)) {
            return;
        }
        if (in_array($document->get($fieldName), $params['range'])) {
            return;
        }
        if (!isset($params['message'])) {
            $params['message'] = 'Field "' . $fieldName . '" not in range of allowed values in model ' . get_called_class();
        }
        $document->addError($fieldName, $this->getName(), $params['message']);
    }