What is the best way to find out what browser and version the user has?

Question

PHP

There are many different solutions on the Internet, from ($_server[user agent]) to various options. I am almost sure that not all of these options are equally good. What is the best way?

Answer 1

that not all of these options are equally good. What is the best way?

Use all methods at once. Anyway, none of them guarantees 100% fidelity.

Answer 2

php.net/manual/en/function.get-browser.php

Answer 3

What I used myself:
https://github.com/jenssegers/agent
https://github.com/sinergi/php-browser-detector