PHP (Hypertext Preprocessor) is an open source scripting language used for web development. It can be embedded into HTML. It is used to create dynamic web page content or dynamic images used on websites or elsewhere. PHP was originally known as Personal Home Page, but it now stands for Hypertext Preprocessor. Learn about the basics of PHP tutorials from here.
PHP can interact with many different database languages including MySQL. Both PHP and MySQL are compatible with an Apache server which is also free to license. PHP enables web developers to develop programs, applications, and web sites.