Basics of PHP – Part 1 Introduction PHP is a scripting language, which is used at the server of the web. PHP can be used in a stand-alone program or it can be embedded (typed) into an HTML document. PHP stands for Hypertext Preprocessor. The ‘P' in front of HP was added. PHP is an interpreter language. This is the first part of my series, Basics of PHP. Prerequisite In order to study PHP, you should have basic knowledge in XHTML (or HTML). If you have not studied this languages, then you should... Sign in to see full entry.