[PluginReference] Plugin PopupNotifications, Spawns, Vanish;

        private void OnVanishDisappear(BasePlayer player)
        {
			if (player == null)
				return;

            EntityZones entityZones;
            if (!zonedPlayers.TryGetValue(player.userID, out entityZones))
                return;

            for (int i = entityZones.Count - 1; i >= 0; i--)
            {
                Zone zone = entityZones.Zones.ElementAt(i);

                OnPlayerExitZone(player, zone);
            }
        }

To add a few words... Current situation is that you keep the zone flags when vanishing while inside a zone. Only interesting for admins... But might be a nice addition.