Yours would work, but RoCk's is a bit better in that it doesn't duplicate code unnecessarily.
LittleJohn, you can't do comparisons like that. The way you have it, it would check if $nick == NickServ OR NickOp... meaning that it doesn't check if $nick == NickOp. It's similar to saying if (NickOp) { }, which will always be true.
It may sound right doing a comparison that way if you say it out loud, but in logic operations, it's incorrect.
