Someone

on *:TEXT:!world*:#: { 
if ($nick isvoice #) || ($nick ishop #) || ($nick isop #) { 
.notice $nick The current pc-world is: %world 
.notice $nick Last update of the world: $duraction($calc($ctime - %overtime)) ago
}
on *:TEXT:!Setworld*:#: { 
if ($nick ishop #) || ($nick isop #) { 
/set %world $2 
/set %overtime $ctime
.msg # The Pc-World has changed! Type: !world to view it 
.notice $nick You have just set the pc world to %world  
}