original_string: public function is_used() {
  
          if (\tool_dataprivacy\contextlevel::is_category_used($this->get('id')) ||
                  \tool_dataprivacy\context_instance::is_category_used($this->get('id'))) {
              return true;
          }
  
          $pluginconfig = get_config('tool_dataprivacy');
          $levels = \context_helper::get_all_levels();
          foreach ($levels as $level => $classname) {
  
              list($unused, $categoryvar) = \tool_dataprivacy\data_registry::var_names_from_context($classname);
              if (!empty($pluginconfig->{$categoryvar}) && $pluginconfig->{$categoryvar} == $this->get('id')) {
                  return true;
              }
          }
  
          return false;
      }
code: public function is_used() {
  
          if (\tool_dataprivacy\contextlevel::is_category_used($this->get('id')) ||
                  \tool_dataprivacy\context_instance::is_category_used($this->get('id'))) {
              return true;
          }
  
          $pluginconfig = get_config('tool_dataprivacy');
          $levels = \context_helper::get_all_levels();
          foreach ($levels as $level => $classname) {
  
              list($unused, $categoryvar) = \tool_dataprivacy\data_registry::var_names_from_context($classname);
              if (!empty($pluginconfig->{$categoryvar}) && $pluginconfig->{$categoryvar} == $this->get('id')) {
                  return true;
              }
          }
  
          return false;
      }
code_tokens: public function is_used ( ) { if ( \ tool_dataprivacy \ contextlevel :: is_category_used ( $ this -> get ( 'id' ) ) || \ tool_dataprivacy \ context_instance :: is_category_used ( $ this -> get ( 'id' ) ) ) { return true ; } $ pluginconfig = get_config ( 'tool_dataprivacy' ) ; $ levels = \ context_helper :: get_all_levels ( ) ; foreach ( $ levels as $ level => $ classname ) { list ( $ unused , $ categoryvar ) = \ tool_dataprivacy \ data_registry :: var_names_from_context ( $ classname ) ; if ( ! empty ( $ pluginconfig -> { $ categoryvar } ) && $ pluginconfig -> { $ categoryvar } == $ this -> get ( 'id' ) ) { return true ; } } return false ; }
docstring: Is this category used?.
  
  @return null
docstring_tokens: Is this category used? .