Which is a good thing. When you have ... function f($x) { return $x*$x; } ...in your code, you know that you can always call f() to get the square of some

Which is a good thing. When you have ... function f($x) { return $x*$x; } ...in your code, you know that you can always call f() to get the square of something. Hallelujah. Functions as they are meant to be.