Is there a way to automatically take a screenshot of a website through a URL?

Question

I am trying to find a PHP script (or a script in a different language) that after passing a URL, it takes a screenshot of the website for that URL. So for example if I pass

Answer 1

Browsershots normally has their backend source code available, but as of this answer, it appears to be offline at the moment. There is an outdated mirror on Github which you can look at.