PHP is a powerful scripting language that can be embedded into HTML, and it can be sued to transform your simple HTML site into a purpose-built website. It’s a scripting language that is mainly focused on server-side scripting.
PHP is widely used and it can be used effectively on all major operating systems including OSX, Windows and Linux. The clever part of PHP is the fact that you can even construct your web server to process all of your HTML files with PHP, and there are no way other users can see what you have to one side.
PHP is relatively easy for the beginners, and you can soon start writing scripts in a few hours, yet the more advanced features will take a significant amount of time to learn.