Mine

on $*:text:/^[!@.]mute */Si:#: {
  if ($me ishop #) || ($me isop #) {
    if ($nick ishop #) || ($nick isop #) || ($address($nick,2) == $address($me,2)) {
      if ($2 isvoice #) {
        mode $chan -v 
        /mode $chan +b ~q: $+ $address($2,2)
        /msg # $2 has been muted in $chan
        halt
      }
      elseif ($2 ishop #) {
        mode $chan -h $2
        /mode $chan +b ~q: $+ $address($2,2)
        /msg # $2 has been muted in $chan
        halt
      }
      elseif ($2 isop #) {
        mode $chan -o $2 
        /mode $chan +b ~q: $+ $address($2,2)
        /msg # $2 has been muted in $chan
        halt
        else { 
          /mode $chan +b ~q: $+ $address($2,2)
          /msg # $2 has been muted in $chan
          halt
        }
      }
    }
  }
}