HTTP is a stateless protocol, which means that each interaction between the web browser and server stands alone. So how do you track a user as he or she navigates through a series of web pages on a web site? You use sessions. Starting with version 4, PHP offers built-in support for sessions via the session family of functions. In this chapter, you’ll see how Drupal uses PHP’s sessions.
KeywordsAnonymous User Session Management Unique Session Session Hijacking Session Handling
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