April 2026
Intermediate
1009 pages
34h 15m
English
Content preview from PHP and MySQL
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15.2 Facts, Background, and Configuration
First a few words about the actual process: When using PHP session management, it is possible, as explained previously, to save data in a session. These are serialized[ 102 ] and stored in data memory—usually in the file system of the web server for reasons of simplicity. Each session has a number, by default a 32-digit hexadecimal value. (Attention: In the php.ini delivered as standard, this value is overwritten with 26; the setting is called session.sid_length.) This number, the so-called session ID, serves as a unique identifier for the data of the current session. The problem of buffering data between individual sessions is therefore reduced to the transmission of the session ID in the client-server ...
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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.
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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.