FluxBB\Models\GroupRepository::retrieve PHP Метод

    protected function retrieve($id)
    {
        if (!isset($this->retrieved[$id])) {
            $this->retrieved[$id] = $group = Group::find($id);
            if (is_null($group)) {
                return;
            }
            $this->loadPermissions($group);
        }
        return $this->retrieved[$id];
    }