/home/techb158/ileadtechnology.com/SSM/vendor/phpoffice/phpspreadsheet/samples/Pdf
Edit: /home/techb158/ileadtechnology.com/SSM/vendor/phpoffice/phpspreadsheet/samples/Pdf/21_Pdf_TCPDF.php (667B)
log('Hide grid lines');
$spreadsheet->getActiveSheet()->setShowGridLines(false);
$helper->log('Set orientation to landscape');
$spreadsheet->getActiveSheet()->getPageSetup()->setOrientation(PageSetup::ORIENTATION_LANDSCAPE);
$className = \PhpOffice\PhpSpreadsheet\Writer\Pdf\Tcpdf::class;
$helper->log("Write to PDF format using {$className}");
IOFactory::registerWriter('Pdf', $className);
// Save
$helper->write($spreadsheet, __FILE__, ['Pdf']);