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PHP Fundamentals

Learn PHP: powering ~70% of the web (WordPress, Wikipedia, Slack, Etsy). Modern PHP (7.4+) is fast, typed where you want it, and has a vast ecosystem. Every lesson is hands-on with real php execution.

beginner17 lessons6 chapters17 graded exercisesPHP
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No sign-up needed for lesson 1 · certificate on completion · sign up to save progress

What you’ll be able to do

Chapter by chapter. Every lesson ends in a graded exercise.

  • Getting Started
  • Strings
  • Control Flow
  • Functions
  • Arrays
  • Classes, Inheritance, Errors
Taught in PHP, graded on a real executor.

Curriculum

6 chapters, 17 lessons. Each lesson is a short read and a graded exercise.

  1. 1Hello, WorldRead · exercise
  2. 2Variables and TypesRead · exercise
  3. 3Numbers and MathRead · exercise