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PHP 5 CMS Framework Development by Martin Brampton

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Chapter 5. Sessions and Users

In this chapter, we get into the detailed questions involved in providing continuity for people using our websites. Almost any framework to support web content needs to handle this issue robustly, and efficiently. In this chapter, we will look at the need for sessions, and the PHP mechanism that makes them work. There are security issues to be handled, as sessions are a well known source of vulnerabilities. Search engine bots can take an alarmingly large portion of your site bandwidth, and special techniques can be used to minimize their impact on session handling. Actual mechanisms for handling sessions are provided. Session data has to be stored somewhere, and I argue that it is better to take charge of this ...

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