public function get_default(): ?string
  {
    if (
      ($id_opt = $this->from_path('default')) &&
      ($all = $this->pref->get_all($id_opt))
    ){
      $id = false;
      foreach ( $all as $a ){
        if ( !empty($a['id_user']) ){
          $id = $a['id_alias'];
          break;
        }
        else if ( !empty($a['id_group']) ){
          $id = $a['id_alias'];
          break;
        }
        else if ( !empty($a['public']) ){
          $id = $a['id_alias'];
          break;
        }
      }
      return $id;
    }
	return null;
  }
public function get_default(): ?string
  {
    if (
      ($id_opt = $this->from_path('default')) &&
      ($all = $this->pref->get_all($id_opt))
    ){
      $id = false;
      foreach ( $all as $a ){
        if ( !empty($a['id_user']) ){
          $id = $a['id_alias'];
          break;
        }
        else if ( !empty($a['id_group']) ){
          $id = $a['id_alias'];
          break;
        }
        else if ( !empty($a['public']) ){
          $id = $a['id_alias'];
          break;
        }
      }
      return $id;
    }
	return null;
  }
public function get_default ( ) : ? string { if ( ( $ id_opt = $ this -> from_path ( 'default' ) ) && ( $ all = $ this -> pref -> get_all ( $ id_opt ) ) ) { $ id = false ; foreach ( $ all as $ a ) { if ( ! empty ( $ a [ 'id_user' ] ) ) { $ id = $ a [ 'id_alias' ] ; break ; } else if ( ! empty ( $ a [ 'id_group' ] ) ) { $ id = $ a [ 'id_alias' ] ; break ; } else if ( ! empty ( $ a [ 'public' ] ) ) { $ id = $ a [ 'id_alias' ] ; break ; } } return $ id ; } return null ; }
Gets the user's default menu

@return string
Gets the user s default menu