Eccube\Controller\Admin\Product\CategoryController::export PHP Метод

    public function export(Application $app, Request $request)
    {
        // タイムアウトを無効にする.
        set_time_limit(0);
        // sql loggerを無効にする.
        $em = $app['orm.em'];
        $em->getConfiguration()->setSQLLogger(null);
        $response = new StreamedResponse();
        $response->setCallback(function () use($app, $request) {
            // CSV種別を元に初期化.
            $app['eccube.service.csv.export']->initCsvType(CsvType::CSV_TYPE_CATEGORY);
            // ヘッダ行の出力.
            $app['eccube.service.csv.export']->exportHeader();
            $qb = $app['eccube.repository.category']->createQueryBuilder('c')->orderBy('c.rank', 'DESC');
            // データ行の出力.
            $app['eccube.service.csv.export']->setExportQueryBuilder($qb);
            $app['eccube.service.csv.export']->exportData(function ($entity, $csvService) {
                $Csvs = $csvService->getCsvs();
                /** @var $Category \Eccube\Entity\Category */
                $Category = $entity;
                // CSV出力項目と合致するデータを取得.
                $row = array();
                foreach ($Csvs as $Csv) {
                    $row[] = $csvService->getData($Csv, $Category);
                }
                //$row[] = number_format(memory_get_usage(true));
                // 出力.
                $csvService->fputcsv($row);
            });
        });
        $now = new \DateTime();
        $filename = 'category_' . $now->format('YmdHis') . '.csv';
        $response->headers->set('Content-Type', 'application/octet-stream');
        $response->headers->set('Content-Disposition', 'attachment; filename=' . $filename);
        $response->send();
        log_info('カテゴリCSV出力ファイル名', array($filename));
        return $response;
    }