PHPOffice / PhpSpreadsheet

        }

        // rowBreaks

        if (!empty($aRowBreaks)) {

            $objWriter->startElement('rowBreaks');

            $objWriter->writeAttribute('count', count($aRowBreaks));

            $objWriter->writeAttribute('manualBreakCount', count($aRowBreaks));

            foreach ($aRowBreaks as $cell) {

                $coords = \PhpOffice\PhpSpreadsheet\Cell::coordinateFromString($cell);

                $objWriter->startElement('brk');

                $objWriter->writeAttribute('id', $coords[1]);

                $objWriter->writeAttribute('man', '1');

                $objWriter->endElement();

            }

            $objWriter->endElement();

        }

        // Second, write column breaks

        if (!empty($aColumnBreaks)) {

        }

        // Second, write column breaks

        if (!empty($aColumnBreaks)) {

            $objWriter->startElement('colBreaks');

            $objWriter->writeAttribute('count', count($aColumnBreaks));

            $objWriter->writeAttribute('manualBreakCount', count($aColumnBreaks));

            foreach ($aColumnBreaks as $cell) {

                $coords = \PhpOffice\PhpSpreadsheet\Cell::coordinateFromString($cell);

                $objWriter->startElement('brk');

                $objWriter->writeAttribute('id', \PhpOffice\PhpSpreadsheet\Cell::columnIndexFromString($coords[0]) - 1);

                $objWriter->writeAttribute('man', '1');

                $objWriter->endElement();

            }

            $objWriter->endElement();

        }

    }

    /**