Let's not start another argument in a thread like some other recent threads.
Anyhow, if you know the response already, putting it in as plain text is going to be faster than putting it in as a variable or an identifier, which is what he was saying. $1 is great if the value changes, but isn't any use except to save a few characters if it's a constant value. That said, you might lost 1ms or so with using $1, so it's not like it's going to matter.
