Someone

;This set the world
on *:TEXT:!setpcworld*:#:{ if (($nick isop $chan) && ($2 isnum)) { 
    notice $nick Pest Control world was set to $2
    set %pcworld $2
  }
}
;This shows the world
on *:TEXT:!pcworld:#:{
  if ($nick !isreg $chan) { notice $nick The Pest Control world is %pcworld }
  elseif ($nick isreg $chan) { notice $nick You must have atleast voice to see the Pest Control world. Talk to a halfop/op to get voice }
}