Devise\Pages\Viewvars\DataCrawler::getUsingString PHP Метод

    private function getUsingString($data, $propertyName)
    {
        if (is_array($data) && isset($data[$propertyName])) {
            return $data[$propertyName];
        }
        if (is_object($data) && $this->propertyAvailable($data, $propertyName) !== self::PARAM_NOT_FOUND) {
            return $data->{$propertyName};
        }
        return self::PARAM_NOT_FOUND;
    }