What is PHP? PHP is also known as Hypertext Preprocessor and is a server-side scripted language that has been designed for web development. It was originally created by Danish-Canadian programmer Rasmus Lerdorf in 1984. It is usually processed on a web server by a PHP Interpreter implemented as a module or as a Common Gateway Interface (CGI) executable. PHP is not an easy framework to learn and it takes experts and professionals. Important Applications in PHP Programming Programming with PHP begins with a few fundamental ideas that one should know before proceeding. Like all the other programming languages, PHP too has several applications which are listed below- Developing a contact form- There are a lot of forms on the website that can be checked in case of record retrieval. For example, In order to keep a record of the student's details, a form is provided. This form asks for the necessary details of the students to make sure of the legitimacy of the student. Mail