How to get a picture for the title: Countries, Devices, Browser?

Question

PHP

How to get an icon by name?
I will get the headers from the browser, but I need to render information, i.e. display the flag, and the icons of the browser and device (computer, phone, tablet).
As for the device, everything is quite simple, but what about browsers and countries?
Build your base?

Answer 1

Obviously, you need to compile (or find a ready-made) database of browsers with a comparison by user agent and icons and, using it, display the necessary ones.
Countries can be defined using GeoIP. There are services that provide an API that will allow you not to implement the search on your own. Or you can use the local GeoIP database (you will need to find it too) and use it to determine the country.
By the way, I'm not sure that everything is simple with the device. There are a lot of devices.