A guide that teaches readers with no programming experience how to quickly write dynamically generated web pages. From the language basics to applications using databases, this introduction to PHP shows readers how to easily empower their web sites with PHP. The text: includes a description of the basic language features such as variable types and conditional and looping statements; shows how to receive and use input from an HTML form; describes how to PHP regular expressions to match patterns and validate HTML forms; shows how to write PHP scripts that can save data into files on a Web server; shows how to create multiple Web page end-user sessions such as survey or order processing applications; and includes full colour screenshots and code examples.