What is the difference between PHP and asp.net website?

PHP is a programming language                                        ASP.NET is a programming framework

PHP is a interpreted language                                             ASP.NET is a compiled language

PHP is a platform free                                                             ASP.NET is a window based.

PHP is a programming language and asp.net is a programming framework.

ASP.NET is compiled and php is interpreted.

PHP is opensource.

ASP.NET is for windows till now in near future it will also run on Linux servers.

ASP and PHP are similar in that both tend to put their code in with the HTML, and so the logic can be quite similar.

But, ASP.NET will be very different from PHP in design, as there is a strong incentive to use code-behind in ASP.NET, where you basically have the html template and all the code is in another separate file