How to detect browser capability like Facebook in PHP

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I was wondering how to detect browser capabilities like Facebook redirects user to - touch.facebook.com or mbasic.facebook.com according to their browser capability even if they come from the same android device.

What I have tried:

Googling but didn't find what I need.

Posted 27-Jul-16 5:40am

Micheal Roy

Updated 29-Jul-16 17:18pm

v6

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G4mm4R4y · Answer 1 · 2016-07-29T17:18:00

Using PHP.net as a resource:

PHP

mixed get_browser ([ string $user_agent [, bool $return_array = false ]] )

"Attempts to determine the capabilities of the user's browser, by looking up the browser's information in the browscap.ini file."

This outputs something similar to:

"Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7) Gecko/20040803 Firefox/0.9.3"

You can use this to send users to different versions of your site depending on the result.

If you need any additional help or clarification, or this answer didn't help, comment and I'll try and help more!

PHP: get_browser - Manual[^]