🐘 PHP

A server language that powers WordPress and a large share of the web, and is easy to host.

1. Getting started with PHP
Run PHP locally, and use variables and strings.
2. Conditions, loops and functions
if, foreach, and typed functions.
3. Arrays
Lists and key-value arrays, plus handy functions.
4. Forms and output safety
Read form data and stop cross-site scripting.
5. PHP and MySQL
Connect with PDO, and always use prepared statements.
6. Sessions and classes
Keep a user signed in, and organise code with classes.
7. PHP quick reference
Everyday functions on one page.

Finished? Go deeper in the PHP learning path and earn a free certificate.