eZ\Publish\Core\Persistence\Legacy\Content\Type\Gateway::loadAllGroupsData PHP Method

    public abstract function loadAllGroupsData();

 /**
  * Returns an array with data about all Group objects.
  *
  * @return array
  */
 public function loadAllGroupsData()
 {
     try {
         return $this->innerGateway->loadAllGroupsData();
     } catch (DBALException $e) {
         throw new RuntimeException('Database error', 0, $e);
     } catch (PDOException $e) {
         throw new RuntimeException('Database error', 0, $e);
     }
 }