Someone

on *:TEXT:!setworld *:#:{
  if ($nick isop $chan) || ($nick ishop $chan){
    set %world $2
      msg $chan $nick has changed the pc world press !world to see it.
    }
  }
  else { notice $nick u dont have the permission to change the pcworld! }
}

on $*:TEXT:/^[!@.]World/Si:#:{
  if ($chan == #p3st_control) {
    if ($nick isreg $chan) { notice $nick u need to be voiced! ask an op or halfop to voice u! }
    else { notice $nick the current world is .. %world  }
  } 
}