Something

;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 $nick The Pest Control world is %pc world }
elseif ($nick isreg $chan) { notice $nick You must have atleast voice to see the Pest Control world. Talk to a halfop/op to get voice }
}