Core Web Application Development with PHP and MySQL

Chapter 19. Cookies and Sessions

Continuing our journey through the more important aspects concerning implementation, we will next consider cookies and sessions, which you can use to associate user information with a client and help manage their progress through your web application.

By the end of this chapter, we will

• Learn what cookies are and how to use them

• Think about what we might (and might not) place into cookies

• Be introduced to sessionsa feature through which you can manage users in your web applicationand show their usage

• Learn some of the security problems we face when using sessions and possible solutions