Part 1: Fundamentals
Chapter 1: Introduction to PHP
Chapter 2: PHP Program Basics
Chapter 3: Numbers, Booleans, and NULL
Chapter 4: Working with Text Strings
Chapter 5: Making Choices
Chapter 6: Reusing Code with Functions
Part 2: Loops and Arrays
Chapter 7: Loops
Chapter 8: Simple Arrays
Chapter 9: Maps
Part 3: Websites and Form Processing
Chapter 10: Client–Server Communication
Chapter 11: PHP Websites and the Built-In PHP Server
Chapter 12: HTML Forms to Send Data
Chapter 13: Processing Form Data
Chapter 14: Validating Form Data
Chapter 15: Separating Logic and Output and Adding a Front Controller
Part 4: Sessions
Chapter 16: Working with Browser Sessions
Chapter 17: Shopping Carts
Chapter 18: Sessions for Login Authentication
Part 5: Object-Oriented PHP
Chapter 19: The Basics of Object-Oriented Programming
Chapter 20: Classes and Objects
Chapter 21: Inheritance
Chapter 22: Composer, Namespaces, and Autoloading
Chapter 23: Twig Templating
Chapter 24: Object-Oriented Web Architecture
Chapter 25: Exceptions
Chapter 26: Logging
Chapter 27: Static Members
Chapter 28: Interfaces and Traits
Chapter 29: Advanced Object-Oriented Concepts
Part 6: Databases
Chapter 30: Working with Databases
Chapter 31: Databases and Objects
Chapter 32: Improving Website Security
Chapter 33: Dates and Times