Is Facebook a example of server side programming language

Answer 1

Facebook is just an app comprised of client side and server side languages.

Facebook uses php,python,c++ etc as its server side or backend language.

For more info you can visit:-
https://en.m.wikipedia.org/wiki/Programming_languages_used_in_most_popular_websites

Answer 2

Facebook is not a programming language. It is a mobile and a web application that was created using PHP and other programming languages