Chapter 12. Working with Cookies and User Sessions
PHP contains numerous functions for managing and keeping track of user information, including both simple cookies and all-encompassing user sessions. Sessions use techniques built into the PHP language, making the act of saving state as easy as referencing a superglobal variable.
In this chapter, you will learn
How to store and retrieve cookie information
What session variables are and how they work
How to start or resume a session
How to store variables in a session
How to destroy a session
How to unset session variables
Introducing Cookies
You can use cookies within your PHP scripts to store small bits of information about a user. A cookie is a small amount of data stored by the user’s browser in compliance ...
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