An Introduction To PHP Sessions

Introduction

This article is an introduction to using sessions in PHP, including:

1. What is a session?
2. How do I use a Session?
3. How do sessions work?
4. How do I change the value of a session variable?
5. Can I destroy a session variable?
6. What should I do to destroy a whole session?
7. Can I store an array in a session?
8. Can I store an object in a session?
9. Can I store an file pointer in a session?
10. How are sessions stored?
11. When do sessions expire?
12. How can I send headers then start a session?
13. Session security

This article was originally published at a http://phpro.org, and is reproduced on PhpRiot with permission of the author, Kevin Waterson.

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