PHP is a widely used programming language which works on the principal of server side scripting to produce dynamic Web pages. It can be easily integrated with HTML and SQL to produce these dynamic web pages, and is often used to process the contents of a Web page form as it is more secure and reliable than JavaScript.
MySQL is an open-source relational database management system which uses structured query language requests for working with data. You will learn how PHP can be combined with MySQL to create a very powerful online database engine.