What is PHP?
PHP stands for "Hypertext Preprocessor". PHP is a widely known language used in most of todays best and most widely used websites.
Without PHP we wouldn't be able to accomplish the feats we do. PHP is very dynamic, and is easy to use and embed into your HTML coding.
PHP is a server side scripting language, and is used in many big online games!
PHP is practically everywhere, although you can't "view source" a PHP document like you can a HTML. PHP is invisible to the browser's "View source" as PHP sometimes contains important information storing variables!
Well this is some great fundamentals of PHP. If you'd like to study deeper into PHP please inform me by posting below and I'll get to making some tutorials!