getActiveSheet(); $sheet1->setPrintGridlines(false); $sheet1->getCell('A1')->setValue('L'); $sheet1->getCell('B1')->setValue('T'); $sheet1->getCell('C1')->setValue('R'); $sheet2 = $spreadsheet->createSheet(); $sheet2->setShowGridlines(false); $sheet2->setPrintGridlines(false); $sheet2->setRightToLeft(true); $sheet2->getCell('A1')->setValue('R'); $sheet2->getCell('B1')->setValue('T'); $sheet2->getCell('C1')->setValue('L'); $sheet3 = $spreadsheet->createSheet(); $sheet3->setShowGridlines(false); $sheet3->setPrintGridlines(false); $sheet3->getCell('A1')->setValue('l'); $sheet3->getCell('B1')->setValue('t'); $sheet3->getCell('C1')->setValue('r'); $writer = new HtmlWriter($spreadsheet); $writer->writeAllSheets(); $writer->setUseInlineCss(true); $html = $writer->generateHtmlAll(); self::assertStringContainsString( "", $html, 'ltr sheet in spreadsheet with both ltr and rtl sheets , with gridlines' ); self::assertStringContainsString( "", $html, 'rtl sheet in spreadsheet with both ltr and rtl sheets, without gridlines' ); self::assertStringContainsString( "", $html, 'second ltr sheet in spreadsheet with both ltr and rtl sheets, without gridlines' ); $spreadsheet->disconnectWorksheets(); } }