I took the plunge and decided to learn PHP. I bought the book 'Beginning PHP 4' by Chris Lea, Wankyu Choi, Allan Kent, Ganesh Prasad, Chris Ullman So far its pretty good and I've learned a lot. It'd getting tricky now wioth arrays and implodes and explodes but I'm coping fine. I just wish I had more time to do the excercises. it isnt however as difficult as I thought it would be. It is very similar to basic which I learnt well and is quite logical. What I could do with is a colection of well commented scripts. Is there comethin glike a collectio nof php scripts anywhere that are very well commented? I find analysing code of a working script is as good a learning tools as you can get.
koders.com may be a decent place to start if you have the type of snippet you want in mind.