original_string: public function display() : string {
          global $PAGE;
          $output = $PAGE->get_renderer('core_customfield');
          return $output->render(new field_data($this));
      }
code: public function display() : string {
          global $PAGE;
          $output = $PAGE->get_renderer('core_customfield');
          return $output->render(new field_data($this));
      }
code_tokens: public function display ( ) : string { global $ PAGE ; $ output = $ PAGE -> get_renderer ( 'core_customfield' ) ; return $ output -> render ( new field_data ( $ this ) ) ; }
docstring: Used by handlers to display data on various places.
  
  @return string
docstring_tokens: Used by handlers to display data on various places .