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PHP & MySQL: Novice to Ninja, 5th Edition by Kevin Yank

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Chapter 9Cookies, Sessions, and Access Control

Cookies and sessions are two of those mysterious technologies that are almost always made out to be more intimidating and complex than they really are. In this chapter, I’ll debunk those myths by explaining in simple language what they are, how they work, and what they can do for you. I’ll also provide practical examples to demonstrate each.

Finally, we’ll use these new tools to provide sophisticated access control to the administration features of your Internet Joke Database site.

Cookies

Most computer programs these days preserve some form of state when you close them. Whether it be the position of the application window, or the names of the last five files that you worked with, the settings are ...

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