Globals problem

I have defined some global defaults in my php script. Some initial scripts then modify and add to these. However the modifications doesn't work, the defaults stick. I've tried using the below (without success): $varDefaultFoo = !isset($varDefaultFoo) ? "value" : $varDefaultFoo; I'e come to the conclusion that this the way I'd have to do it: <? $variable="Jolt" function foo() { globals $variable; $variable .= " Cola"; return $variable; } function bar() { $variable=foo(); return Enjoy $variable; } ?> Can I do it any other way? I'd prefer it if I could store it in some way without 'returning' and calling variables by functions as described above. Regards ------------ Dan Larsson