PHP
Online PHP courses from independent instructors.
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PHP is a server-side language that powers a large share of dynamic websites, content management systems and web applications. A PHP course teaches you how a web server receives a request, runs your code and sends back HTML or JSON, which makes it a practical way to understand back-end development.
Beginner modules cover PHP syntax, variables, arrays and associative arrays, string functions, conditionals, loops and functions, then move on to handling form input with GET and POST, validating and sanitizing data, and using cookies and sessions for logins. Database lessons typically use MySQL or MariaDB through PDO with prepared statements, covering CRUD operations and basic schema design.
Intermediate PHP focuses on object-oriented programming — classes, interfaces, traits, namespaces — along with Composer for dependencies, autoloading, error handling, and security essentials like password hashing, CSRF protection and preventing SQL injection and cross-site scripting. Advanced courses introduce MVC architecture, routing, templating, testing and popular PHP frameworks, or building REST APIs.
PHP courses suit beginners interested in back-end work, freelancers who maintain client sites, WordPress developers who want deeper control, and developers modernizing older codebases. Check the PHP version taught, since recent versions add typed properties, enums and other features older tutorials skip.
Choosing a PHP course
- Check that the course teaches a current PHP version and modern practices, not deprecated mysql_ functions.
- Make sure security topics — prepared statements, password hashing, output escaping — are taught, not skipped.
- Look for a local development setup lesson so you can run PHP and a database on your own computer.
- If you plan to use a framework later, choose a course with solid object-oriented PHP and Composer lessons.
- A course project like a login system, blog or small API shows how the pieces fit together.
Questions about php
Is PHP still worth learning?
PHP runs many content management systems, ecommerce sites and custom web apps, so it remains useful for freelance, agency and maintenance work. Modern PHP is far cleaner than its older reputation suggests.
Do I need to know HTML first?
Yes, basic HTML helps, since PHP usually generates web pages. Some courses include a short HTML and CSS primer.
What's the difference between PHP and WordPress courses?
PHP courses teach the language itself. WordPress development courses apply PHP inside WordPress — themes, plugins, hooks — so a PHP foundation makes them easier.