Vendor/phpspreadsheet/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Xlsx/Workbook.php
private function writeDefinedNameForNamedRange(XMLWriter $objWriter, NamedRange $pNamedRange)
    {
        // definedName for named range
        $objWriter->startElement('definedName');
        $objWriter->writeAttribute('name', $pNamedRange->getName());
        if ($pNamedRange->getLocalOnly()) {
            $objWriter->writeAttribute('localSheetId', $pNamedRange->getScope()->getParent()->getIndex($pNamedRange->getScope()));
        }

        // Create absolute coordinate and write as raw text
        $range = Coordinate::splitRange($pNamedRange->getRange());
        $iMax = count($range);
        for ($i = 0; $i < $iMax; ++$i) {
            $range[$i][0] = '\'' . str_replace("'", "''", $pNamedRange->getWorksheet()->getTitle()) . '\'!' . Coordinate::absoluteReference($range[$i][0]);
            if (isset($range[$i][1])) {
                $range[$i][1] = Coordinate::absoluteReference($range[$i][1]);
            }
        }
        $range = Coordinate::buildRange($range);

        $objWriter->writeRawData($range);

        $objWriter->endElement();
    }
private function writeDefinedNameForNamedRange(XMLWriter $objWriter, NamedRange $pNamedRange)
    {
        // definedName for named range
        $objWriter->startElement('definedName');
        $objWriter->writeAttribute('name', $pNamedRange->getName());
        if ($pNamedRange->getLocalOnly()) {
            $objWriter->writeAttribute('localSheetId', $pNamedRange->getScope()->getParent()->getIndex($pNamedRange->getScope()));
        }

        // Create absolute coordinate and write as raw text
        $range = Coordinate::splitRange($pNamedRange->getRange());
        $iMax = count($range);
        for ($i = 0; $i < $iMax; ++$i) {
            $range[$i][0] = '\'' . str_replace("'", "''", $pNamedRange->getWorksheet()->getTitle()) . '\'!' . Coordinate::absoluteReference($range[$i][0]);
            if (isset($range[$i][1])) {
                $range[$i][1] = Coordinate::absoluteReference($range[$i][1]);
            }
        }
        $range = Coordinate::buildRange($range);

        $objWriter->writeRawData($range);

        $objWriter->endElement();
    }
Write Defined Name for named range.

@param XMLWriter $objWriter XML Writer
@param NamedRange $pNamedRange