PHPExcel и сводные таблицы

$filename = $_SERVER['DOCUMENT_ROOT'] . '/admins/template.xlsx';
if (is_file($filename)) {
    $inputFileType = PHPExcel_IOFactory::identify($filename);
    $objReader = PHPExcel_IOFactory::createReader($inputFileType);
    $excel = $objReader->load($filename);
    $excel->setActiveSheetIndex(0);
    $worksheet = $excel->getActiveSheet();
 
    $row = 2;
    for ($k = 0; $k < count($reports); $k++) {
        $worksheet->setCellValueByColumnAndRow('0', $row, $reports[$k]['course_name']);
        $worksheet->setCellValueByColumnAndRow('1', $row, $reports[$k]['prov_name']);
        ...
        $row++;
    }
    header('Content-Type: application/vnd.ms-excel');
    header('Content-Disposition: attachment;filename="AnalyticalReport.xlsx"');
    header('Cache-Control: max-age=0');
 
    $objWriter = PHPExcel_IOFactory::createWriter($excel, 'Excel2007');
    $objWriter->save('php://output');
}

$objReader = new PHPExcel_Reader_Excel2007();
$objReader->setLoadSheetsOnly( array("Лист 1", "Мой специальный лист") );
$objPHPExcel = $objReader->load("05featuredemo.xlsx");

$objPHPexcel = PHPExcel_IOFactory::load('template.xlsx');