PHP 6 and MySQL 5 for Dynamic Web Sites: Visual QuickPro Guide

7 Error Handling and Debugging

If you’re working through this book sequentially (which would be for the best), the next subject to learn is how to use PHP and MySQL together. However, that process will undoubtedly generate errors, errors that can be tricky to debug. So before moving on to new concepts, these next few pages address the bane of the programmer: errors. As you gain experience, you’ll make fewer errors and pick up your own debugging methods, but there are plenty of tools and techniques the beginner can use to help ease the learning process.

This chapter has three main threads. One focus is on learning about the various kinds of errors that can occur when developing dynamic Web sites and what their likely causes are. Second, ...