CHAPTER 8 PEAR
CHAPTER 9 XSLT and Other XML Concerns
CHAPTER 10 Debugging and Optimizations
CHAPTER 11 User Authentication
CHAPTER 12 Data Encryption
CHAPTER 13 Object-Oriented Programming in PHP
CHAPTER 14 Error Handling
CHAPTER 15 Working with HTML/XHTML Using Tidy
CHAPTER 16 Writing Email in PHP
