I've been learning PHP4 specifically since I first started my self-education of the language a few months ago. I've already finished 2 beginner books that weren't too in-depth and I'm going through a 3rd one now that covers all the details (and reading online tutorials in between). I recently read how PHP4 was no longer going to be supported in a few months, so I've considered stopping where I'm at now and picking up PHP5 stuff instead. Should I forget about that, stick with what I'm learning now (PHP4), and then just wait until I'm done to start learning the new stuff in PHP5? Forgive me for my lack of knowledge of new things available in PHP5 and changes that've been made from PHP4, I need to go to the PHP website and read up on that.