<?phpusePhpOffice\PhpSpreadsheet\Spreadsheet;usePhpOffice\PhpSpreadsheet\Worksheet\SheetView;require__DIR__.'/../Header.php';// Create new Spreadsheet object$helper->log('Create new Spreadsheet object');$spreadsheet=newSpreadsheet();// Set document properties$helper->log('Set document properties');$spreadsheet->getProperties()->setCreator('PHPOffice')->setLastModifiedBy('PHPOffice')->setTitle('PhpSpreadsheet Test Document')->setSubject('PhpSpreadsheet Test Document')->setDescription('Test document for PhpSpreadsheet, generated using PHP classes.')->setKeywords('Office PhpSpreadsheet php')->setCategory('Test result file');// Add some data$helper->log('Add some data');$spreadsheet->setActiveSheetIndex(0)->setCellValue('A1','Hello')->setCellValue('B2','world!');// Set the page layout view as page layout$spreadsheet->getActiveSheet()->getSheetView()->setView(SheetView::SHEETVIEW_PAGE_LAYOUT);// Save$helper->write($spreadsheet,__FILE__);