May 2003
Intermediate to advanced
592 pages
14h 28m
English
Content preview from PHP and MySQL for Dynamic Web Sites: Visual QuickPro Guide
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Web Browser Detection
Considering the number of different Web browsers available, along with the different settings users can adjust, ensuring a consistent Web experience for all visitors can be difficult. JavaScript—a client-side technology—can detect the Web browser type, version, and such with relative ease. One option for determining this information in a PHP script is the get_browser() function:
$browser = get_browser();
By default, this function will use the $HTTP_USER_AGENT (or $_SERVER['HTTP_USER_AGENT']) variable. The function then compares this value against the browscap.ini file, which is a text document listing browser specifications by version and platform. This file is available as a free download and must be installed on your ...
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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.