9: Debugging, Profiling, and Good Development Do you think you're a good developer, but don't know how to use a debugger?  Then you're not a good developer.  In this chapter we go through some of the tools available to help make you a better developer. Chapter 10: Preparing for Success So you've built the next big thing... and it becomes the next big thing.  Now you have a problem.  In this chapter we go through a couple of concepts that can help alleviate the problems that occur when you become popular, or keep those problems from occurring in the first place. Not many PHP books begin with an Acknowledgments section written in the style of Medieval Literature with an English accent, but this one doth. That is not the only original aspect to this book. In fact, you'd be hard-pressed to find a single unoriginal aspect to this PHP tome. I warn you, these topics are not what I'd begin to learn PHP with... Kevin is the technology evangelist for Zend...quite a famous company in the PHP world on the strength of the Zend engine and their newish Zend Framework. And he definitely stretches far beyond what most people do with the language... If you're already a PHP developer you will learn something new. And you'll begin with a nice review of the OSI layer. Something I personally hadn't covered in many years.... I really enjoyed this book...if you're interested in using PHP for any of the following, definitely pick