getActiveSheet(); $sheet2 = $spreadsheet->createSheet(); $sheet2->setTitle('deliberatelyblank'); $sheet1->setShowGridlines($display); $sheet1->setPrintGridlines($print); $sheet1->fromArray( [ [1, 2, 3], [4, 5, 6], [7, 8, 9], ] ); $reloadedSpreadsheet = $this->writeAndReload($spreadsheet, 'Xlsx'); $spreadsheet->disconnectWorksheets(); $rsheet1 = $reloadedSpreadsheet->getSheet(0); $rsheet2 = $reloadedSpreadsheet->getSheet(1); self::assertSame($display, $rsheet1->getShowGridlines()); self::assertSame($print, $rsheet1->getPrintGridlines()); self::assertTrue($rsheet2->getShowGridlines()); self::assertFalse($rsheet2->getPrintGridlines()); $reloadedSpreadsheet->disconnectWorksheets(); } public static function loadDataProvider(): array { return [ [true, true], [true, false], [false, true], [false, false], ]; } }