getActiveSheet(); $sheet->fromArray([['A', 'B', 'C', '=1+2']]); $reloadedSpreadsheet = $this->writeAndReload($spreadsheet, 'Xlsx'); $spreadsheet->disconnectWorksheets(); $rsheet = $reloadedSpreadsheet->getActiveSheet(); $rsheet->setCellValue('D1', '=1+3'); $array1 = $rsheet->toArray(formatData: false, calculateFormulas: false, oldCalculatedValue: true); self::assertSame([['A', 'B', 'C', 3]], $array1, 'uses value as read from spreadsheet'); $array2 = $rsheet->toArray(formatData: false); self::assertSame([['A', 'B', 'C', 4]], $array2, 'uses newly calculated value'); $reloadedSpreadsheet->disconnectWorksheets(); } }