Practical PHP and MySQL: Building Eight Dynamic Web Applications demonstrates that it’s easy to build commercial-quality Web applications using free and open source software. The book walks you ...

If you’ve got a web application ... Using sessions is one of the most popular methods of authenticating users, whether it be forms authentication in ASP.NET and Java or $_SESSION based in PHP.

Hypertext Preprocessor (PHP), a programming language designed for use in web-based applications with HTML content, supports a wide variety of platforms and is used by numerous web-based software ...