Mine

on *:join:#:{
  if ($me isop $chan) || ($me ishop $chan) {
    if (%voice. [ $+ [ $chan ] ] != $null) {
      mode $chan +v $nick
    }
  }
}
on *:text:!enablev:#:{
  if ($nick isop $chan) {
    if (%voice. [ $+ [ $chan ] ] == $null) {
      set %voice. [ $+ [ $nick ] ] yo
    }
  }
}
on *:text:!disablev:#:{
  if ($nick isop $chan) {
    if (%voice. [ $+ [ $chan ] ] != $null) {
      unset %voice. [ $+ [ $nick ] ] 
    }
  }
}