In this chapter you glimpsed several of the concepts that you'll explore in later chapters. You also built a foundation for understanding what goes on, not only under the hood of the extensions you'll come to build, but behind the scenes of the Zend Engine and TSRM layer, which you'll take advantage of as you embed and deploy PHP in your applications.
The PHP Life Cycle
Variables from the Inside Out
Memory Management
Setting Up a Build Environment
Your First Extension
Returning Values
Accepting Parameters
Working with Arrays and HashTables
The Resource Data Type
PHP4 Objects
PHP5 Objects
Startup, Shutdown, and a Few Points in Between
INI Settings
Accessing Streams
Implementing Streams
Diverting the Stream
Configuration and Linking
Extension Generators
Setting Up a Host Environment
Advanced Embedding
Appendix A. A Zend API Reference
Appendix B. PHPAPI
Appendix C. Extending and Embedding Cookbook
Appendix D. Additional Resources