original_string: public function reset_config($areaid = false) {
  
          if (!empty($areaid)) {
              $searchareas = array();
              if (!$searchareas[$areaid] = static::get_search_area($areaid)) {
                  throw new \moodle_exception('errorareanotavailable', 'search', '', $areaid);
              }
          } else {
              // Only the enabled ones.
              $searchareas = static::get_search_areas_list(true);
          }
  
          foreach ($searchareas as $searcharea) {
              list($componentname, $varname) = $searcharea->get_config_var_name();
              $config = $searcharea->get_config();
  
              foreach ($config as $key => $value) {
                  // We reset them all but the enable/disabled one.
                  if ($key !== $varname . '_enabled') {
                      set_config($key, 0, $componentname);
                  }
              }
          }
      }
code: public function reset_config($areaid = false) {
  
          if (!empty($areaid)) {
              $searchareas = array();
              if (!$searchareas[$areaid] = static::get_search_area($areaid)) {
                  throw new \moodle_exception('errorareanotavailable', 'search', '', $areaid);
              }
          } else {
              // Only the enabled ones.
              $searchareas = static::get_search_areas_list(true);
          }
  
          foreach ($searchareas as $searcharea) {
              list($componentname, $varname) = $searcharea->get_config_var_name();
              $config = $searcharea->get_config();
  
              foreach ($config as $key => $value) {
                  // We reset them all but the enable/disabled one.
                  if ($key !== $varname . '_enabled') {
                      set_config($key, 0, $componentname);
                  }
              }
          }
      }
code_tokens: public function reset_config ( $ areaid = false ) { if ( ! empty ( $ areaid ) ) { $ searchareas = array ( ) ; if ( ! $ searchareas [ $ areaid ] = static :: get_search_area ( $ areaid ) ) { throw new \ moodle_exception ( 'errorareanotavailable' , 'search' , '' , $ areaid ) ; } } else { // Only the enabled ones. $ searchareas = static :: get_search_areas_list ( true ) ; } foreach ( $ searchareas as $ searcharea ) { list ( $ componentname , $ varname ) = $ searcharea -> get_config_var_name ( ) ; $ config = $ searcharea -> get_config ( ) ; foreach ( $ config as $ key => $ value ) { // We reset them all but the enable/disabled one. if ( $ key !== $ varname . '_enabled' ) { set_config ( $ key , 0 , $ componentname ) ; } } } }
docstring: Resets areas config.
  
  @throws \moodle_exception
  @param string $areaid
  @return void
docstring_tokens: Resets areas config .