code: public function removeRow($row)
      {
          foreach ($this->getCoordinates() as $coord) {
              sscanf($coord, '%[A-Z]%d', $c, $r);
              if ($r == $row) {
                  $this->delete($coord);
              }
          }
      }
docs: Remove a row, deleting all cells in that row.
  
  @param string $row Row number to remove