What Is The Code For The Popitropica What Is The Difference Between PHP And XHTML Code?

What is the difference between PHP and XHTML code? - what is the code for the popitropica

I'm a little new, but what are the benefits of PHP over to XHTML and vice versa.

I try a website where people can create access, but I am not now, what kind of code is the best for me.
Suggestions?