August 2013
Intermediate to advanced
140 pages
1h 49m
English
Content preview from PHP Quick Scripting Reference
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CHAPTER 25
Sessions
A session provides a way to make variables accessible across multiple web pages. Unlike cookies, session data is stored on the server.
Starting a session
To begin a session the session_start function is used. This function must appear before any output is send to the web page.
<?php session_start(); ?>
The session_start function will set a cookie on the client’s computer containing an id used to associate the client with the session. If the client already has an ongoing session the function will resume that session instead of starting a new one.
Session array
With the session started the $_SESSION array can be used to store ...
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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.