PHP stand for " Hypertext Preprocessor " and it is used for general purpose scripting language which is suitable for creating web development applications. PHP pages is fully contained with HTML and embedded code. The PHP code is enclosed with special type of Start an Closed Tag <? PHP and ?> that allow you to jump into and out of PHP mode. It also known as client side java Script running on server. The client would receive the running script results without knowing what the underlying code was. You can even configure your web server to process all your HTML files with PHP, and then there's really no way that users can tell what you have up your sleeve. The best advantage to new user to be easy using. PHP have many advanced features for a professional programmer.