Contenu du cours
Module 1 — Discovering PHP
Understand what PHP is, set up a local environment and write your first script.
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What is PHP and where does it run?
12:00
Setting up a local environment
13:00
Your first script: echo
10:00
Quiz — Module 1
Module 2 — Language basics
Variables, types, operators, conditions and loops.
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Variables and data types
12:00
Operators and if / else conditions
13:00
The for and while loops
12:00
Quiz — Module 2
Module 3 — Functions, arrays and forms
Create functions, work with arrays and handle data coming from a form.
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Creating and using functions
13:00
Arrays
12:00
Reading form data with $_POST
13:00
Quiz — Module 3
Module 4 — PHP and data
Reuse code, talk to MySQL and secure user input.
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Including files to reuse code
11:00
Introduction to MySQL databases
14:00
Basic security: escaping user input
13:00
Quiz — Module 4
PHP for beginners

PHP (PHP: Hypertext Preprocessor) is a programming language that runs on the server side. Unlike HTML or JavaScript, which run in the browser, PHP does its work on the server before the page reaches the visitor.

How it works

  1. The browser requests a page (for example index.php).
  2. The server runs the PHP code: it calculates, reads a database, and so on.
  3. The server sends back plain HTML to the browser.

The visitor never sees your PHP code: they only receive the result. That is why PHP is perfect for dynamic pages (content that changes depending on the user, the date, a database and so on).

A PHP file uses the .php extension and can mix HTML with PHP code wrapped in the <?php … ?> tags.

Key point: PHP runs on the server and produces HTML. The browser never receives the PHP source code.

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