PHP
Learn PHP, the language behind WordPress and a large share of the web, from echo to functions, arrays and classes. Examples run in your browser.
- 4 modules
- 15 lessons
- 78 runnable examples
- Beginner to intermediate
Getting started
Syntax, output and variables.
Control flow
Decisions and loops.
Functions and arrays
Reusable code and lists of data.
Building for the web
Forms, objects and data.
PHP quiz
Ten questions drawn at random from 43, with an explanation after every answer. Score 70% to pass; a perfect round earns a badge.
- Treasure Quest
Sail across eight islands. Each one asks a question; lose three hearts and it's back to port.
- Speed Run
Sixty seconds on the clock. Every right answer scores, and a wrong one costs five seconds.
- Code Puzzle
Real code from the lessons, shuffled line by line. Put it back in the right order.