Piwik\Plugins\API\ProcessedReport::getColumnsToKeep PHP Метод

    private function getColumnsToKeep()
    {
        $columnsToKeep = Common::getRequestVar('showColumns', '');
        if ($columnsToKeep != '') {
            $columnsToKeep = explode(',', $columnsToKeep);
            $columnsToKeep[] = 'label';
            return $columnsToKeep;
        }
        return null;
    }