Piwik\Archive\DataTableFactory::createTableIndexMetadata PHP Метод

    private function createTableIndexMetadata($resultIndex, $label)
    {
        if ($resultIndex === DataTableFactory::TABLE_METADATA_SITE_INDEX) {
            return new Site($label);
        } elseif ($resultIndex === DataTableFactory::TABLE_METADATA_PERIOD_INDEX) {
            return $this->periods[$label];
        }
    }