public static function notify_tour_change() {
        $cache = \cache::make('tool_usertours', self::CACHENAME_TOUR);
        $cache->delete(self::CACHEKEY_TOUR);
    }
public static function notify_tour_change() {
        $cache = \cache::make('tool_usertours', self::CACHENAME_TOUR);
        $cache->delete(self::CACHEKEY_TOUR);
    }
public static function notify_tour_change ( ) { $ cache = \ cache :: make ( 'tool_usertours' , self :: CACHENAME_TOUR ) ; $ cache -> delete ( self :: CACHEKEY_TOUR ) ; }
Notify of changes to any tour to clear the tour cache.
Notify of changes to any tour to clear the tour cache .