log_online_time:
  type: world
  debug: false
  events:
    on player joins:
    - flag online_timer:<server.current_time_millis>
    on player quits:
    - yaml ID:<player> set <player>.general.online_time:+:<server.current_time_millis.sub[<player.flag[online_timer]>]>
    on time changes in world:
    - foreach <server.list_online_players> {
      - yaml ID:%value% set %value%.general.online_time:+:<server.current_time_millis.sub[<def[value].flag[online_timer]>]>
      - flag %value% online_timer:<server.current_time_millis>
      }