public function get_config()
	{
    $this->update();
		$tmp = bbn\x::remove_empty($this->cfg);
    if ( isset($tmp['content']) && \is_array($tmp['content']) ){
      foreach ( $tmp['content'] as $i => $c ){
        if ( \is_object($c) ){
          if (method_exists($c, 'get_config') ){
            $tmp['content'][$i] = $c->get_config();
          }
        }
      }
    }
    return $tmp;
	}