PHP Web Development: Handling Requests and Functions

Building dynamic web applications requires a solid understanding of how data flows between the user and the server. This text-only course guides you through the foundational pillars of PHP web development: handling user requests and writing reusable code. By reading through clear explanations and studying practical code examples, you will learn how to capture, process, and validate data sent via web forms, and how to organize your application logic using robust, modern PHP functions. What you'll learn: - Understand the core differences between GET and POST superglobals and when to use each. - Implement basic security practices to sanitize and validate user input from web forms. - Create reusable code blocks using custom PHP functions with parameters and return values. - Apply modern PHP features such as strict typing and type declarations for more reliable code. - Manage variable scope, including local, global, and static variables, to avoid common coding errors. The course starts with essential web request concepts and foundational security practices before moving into writing clean, modular functions. You will progress from simple data handling to structuring well-organized PHP scripts ready for real-world application. This course is designed for beginners who are new to backend web development and want to understand how PHP processes web requests. No prior PHP experience is required, though a basic familiarity with HTML forms is helpful. Start reading today to master the core mechanics of PHP data handling and functional programming.