code: public function clickLinkById($id)
      {
          if (! ($url = $this->getLinkById($id))) {
              return false;
          }
          $this->load($url, new SimpleGetEncoding());
  
          return $this->getContent();
      }
docs: Follows a link by id attribute.
  
  @param string $id        ID attribute value.
  
  @return string/boolean   Page on success.