code: public function hasHyperlink()
      {
          if (!isset($this->parent)) {
              throw new Exception('Cannot check for hyperlink when cell is not bound to a worksheet');
          }
  
          return $this->getWorksheet()->hyperlinkExists($this->getCoordinate());
      }
docs: Does this cell contain a Hyperlink?
  
  @throws Exception
  
  @return bool