on *:TEXT:!*:#: {
  if (($1- == !world) || ($1- == !pcw)) {
    if ($nick !isreg $chan) {
      /notice $nick Current world is: %world $+ , set by %setby $duration($calc($ctime - %worldsettime)) ago.
    }
  }
  if (($1 == !setworld) && ($1- != !setworld)) {
    if (($nick isop $chan) || ($nick ishop $chan)) {
      /set %world $2
      /set %setby $nick
      /set %worldsettime $ctime
      /msg $chan 13A new world has been set!
    }
  }
}