Mine

on *:text:!pdpk *:#: {
  if ($nick isop $chan) {
    IF  ($2 == on) {
      set %pdpk ON
      msg $chan PKers-Dinasty is now PKing
    }
    If ($2 == off) {
      set %pdpk OFF
      msg $chan PKers-Dinasty stoped PKing
    }
  }
  else { notice $nick You can't set that! only ops can }

  on *:text:!pdpking*:#: {
    IF (%pdpk == ON) {
      notice $nick PKers-Dinasty is now PKing type !pk to see the current PKing world
    }
    if (%pdpk == OFF) {
      notice $nick PKers-Dinasty is not currently PKing
    }