code: private function writeSheetFormatPr(XMLWriter $objWriter, PhpspreadsheetWorksheet $pSheet)
      {
          // sheetFormatPr
          $objWriter->startElement('sheetFormatPr');
  
          // Default row height
          if ($pSheet->getDefaultRowDimension()->getRowHeight() >= 0) {
              $objWriter->writeAttribute('customHeight', 'true');
              $objWriter->writeAttribute('defaultRowHeight', StringHelper::formatNumber($pSheet->getDefaultRowDimension()->getRowHeight()));
          } else {
              $objWriter->writeAttribute('defaultRowHeight', '14.4');
          }
  
          // Set Zero Height row
          if ((string) $pSheet->getDefaultRowDimension()->getZeroHeight() == '1' ||
              strtolower((string) $pSheet->getDefaultRowDimension()->getZeroHeight()) == 'true') {
              $objWriter->writeAttribute('zeroHeight', '1');
          }
  
          // Default column width
          if ($pSheet->getDefaultColumnDimension()->getWidth() >= 0) {
              $objWriter->writeAttribute('defaultColWidth', StringHelper::formatNumber($pSheet->getDefaultColumnDimension()->getWidth()));
          }
  
          // Outline level - row
          $outlineLevelRow = 0;
          foreach ($pSheet->getRowDimensions() as $dimension) {
              if ($dimension->getOutlineLevel() > $outlineLevelRow) {
                  $outlineLevelRow = $dimension->getOutlineLevel();
              }
          }
          $objWriter->writeAttribute('outlineLevelRow', (int) $outlineLevelRow);
  
          // Outline level - column
          $outlineLevelCol = 0;
          foreach ($pSheet->getColumnDimensions() as $dimension) {
              if ($dimension->getOutlineLevel() > $outlineLevelCol) {
                  $outlineLevelCol = $dimension->getOutlineLevel();
              }
          }
          $objWriter->writeAttribute('outlineLevelCol', (int) $outlineLevelCol);
  
          $objWriter->endElement();
      }
docs: Write SheetFormatPr.
  
  @param XMLWriter $objWriter XML Writer
  @param PhpspreadsheetWorksheet $pSheet Worksheet