Free online courseProgramming

Course Description

Turn an idea into a working website by learning how server-side code really operates. This free online course guides you through PHP for web development, helping you move from simple scripts to dynamic pages that respond to users, process data, and power real features you see in modern sites. If you want a practical path into backend development, PHP remains a widely used tool across content platforms, small businesses, and large applications—making it a valuable skill for both freelance and employed roles.

You will begin by setting up a local development environment and understanding how PHP runs on your machine, so you can build and test projects quickly. As you progress, you will learn to write clean code using variables, operators, string handling, arrays, loops, conditionals, and functions—core fundamentals that translate to any programming language. You will also practice writing reusable logic, organizing code sensibly, and understanding scope, including how global values behave.

From there, the course shifts into building interactive web experiences: handling form submissions, choosing between GET and POST, validating inputs, and displaying user-friendly error messages. You will learn habits that protect applications, including techniques to reduce the risk of cross-site scripting. You will also work with data persistence by connecting PHP to MySQL, running queries, and sorting results for clearer output. Along the way, you will see patterns used in everyday development, such as passing identifiers through query strings to show detail pages, working with superglobals, and using helpful language features like the null coalescing operator.

By the end, you will be more confident building structured PHP pages that read and write data, validate user input, and behave predictably in real scenarios. Whether your goal is to create a portfolio project, support a WordPress or CMS workflow, or take your first step into backend engineering, this course gives you a practical foundation you can apply immediately.