code: private function getPageDetails($pageId)
      {
          if (empty($pageId)) {
              return array();
          }
          $event = new GetPageDetailsEvent($pageId);
          $this->getEventDispatcher()->dispatch(ContaoEvents::CONTROLLER_GET_PAGE_DETAILS, $event);
  
          return $event->getPageDetails();
      }
docs: Retrieve the details for the page with the given id.
  
  @param string $pageId The id of the page to retrieve the details for.
  
  @return array