Piwik\Archive\DataTableFactory::getSiteIdFromMetadata PHP Метод

    public static function getSiteIdFromMetadata(DataTable $table)
    {
        $site = $table->getMetadata('site');
        if (empty($site)) {
            return null;
        } else {
            return $site->getId();
        }
    }

 public function beforeFormat($report, DataTable $table)
 {
     $this->idSite = DataTableFactory::getSiteIdFromMetadata($table);
     return !empty($this->idSite);
     // skip formatting if there is no site to get currency info from
 }