October 2002
Intermediate to advanced
368 pages
7h 12m
English
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Introduction to Session Management in PHP4
This chapter introduces you to session management using PHP4's built-in session management techniques.
Session management allows you to track variables associated with a user for a specific Web session. A Web session is the time that a user spends on pages on your site using the same browser instance. If the user closes the browser (or you explicitly end the session), then the session variables are no longer associated with that user, unless you provide for a way that the variables can be saved and later reassociated with the user.
Sessions are typically tracked by PHP by placing a cookie on the user's browser. The cookie references a session ID, which you can view in your scripts by calling the $PHPSESSID ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.