Wayward

Start off your web development journey the right way with this beginner-friendly introduction to PHP programming. This book will take you from beginner-level to professional PHP programming, through hundreds of in-depth examples and hands-on exercises. You’ll explore best practices for developing fast, secure, and easy-to-maintain websites, while establishing a broad foundation of programming knowledge and experience. You’ll learn how to: Create consistent, modern-looking web pages with easily customizable templates by combining dynamic PHP scripts, static HTML code, and Bootstrap styling Write server-side scripts for responding to HTTP requests, processing forms, and validating data Use browser sessions to implement shopping carts and user logins, and to store other user data Write scripts that can communicate with MySQL and other PDO databases, enabling database-driven, data-rich web applications Implement modern, best-practice website security, including user data sanitization, session-based logins using hashed passwords, and database prepared statements Save time with up-to-date, professional, open-source tools, including Composer dependency management and the Twig templating library As you follow along, you’ll learn real-life patterns and modern programming techniques for creating, extending, and modifying web applications, all using the powerful PHP language. Acknowledgments Introduction PART I: LANGUAGE FUNDAMENTALS Chapter 1: PHP Program Basics Chapter 2: Data Types Chapter 3: Strings and String Functions Chapter 4: Making Choices with Conditionals Chapter 5: Creating Reusable Code with Functions PART II: WORKING WITH DATA Chapter 6: Repeating Actions with Loops Chapter 7: Simple Arrays Chapter 8: Sophisticated Arrays Chapter 9: Working with Files and Directories PART III: PROGRAMMING WEB APPLICATIONS Chapter 10: Client-Server Communication and Web Development Chapter 11: Creating and Processing Web Forms Chapter 12: Validating Form Data Chapter 13: Organizing a Web Application PART IV: STORING USER DATA WITH BROWSER SESSIONS Chapter 14: Working with Sessions Chapter 15: Implementing a Shopping Cart Chapter 16: Authentication and Authorization PART V: OBJECT-ORIENTED PHP Chapter 17: Introduction to Object-Oriented Programming Chapter 18: Declaring Classes and Creating Objects Chapter 19: Inheritance Chapter 20: Managing Classes and Namespaces with Composer Chapter 21: Efficient Template Design with Twig Chapter 22: Structuring an Object-Oriented Web Application Chapter 23: Error Handling with Exceptions Chapter 24: Logging Events, Messages, and Transactions Chapter 25: Static Methods, Properties, and Enumerations Chapter 26: Abstract Methods, Interfaces, and Traits PART VI: DATABASE-DRIVEN APPLICATION DEVELOPMENT Chapter 27: Introduction to Databases Chapter 28: Database Programming with the PDO Library Chapter 29: Programming CRUD Operations Chapter 30: ORM Libraries and Database Security Chapter 31: Working with Dates and Times Appendix A: Installing PHP Appendix B: Database Setup Appendix C: Replit Configuration