Piwik\Plugins\CoreHome\Controller::makeRowEvolution PHP Method

    private function makeRowEvolution($isMultiRowEvolution, $graphType = null)
    {
        if ($isMultiRowEvolution) {
            return new MultiRowEvolution($this->idSite, $this->date, $graphType);
        } else {
            return new RowEvolution($this->idSite, $this->date, $graphType);
        }
    }