Build Your Own Database-Driven Website Using PHP & MySQL is a practical guide for first-time users of PHP & MySQL that teaches readers by creating a fully working Content Management System, Shopping Cart and other real-world applications. There has been a marked increase in the adoption of PHP, most notably in the beginning to intermediate levels. PHP now boasts over 30% of the server side scripting market (Source: php.weblogs.com). The previous edition sold over 17,000 copies exclusively through Sitepoint.com alone. With the release of PHP 5, SitePoint have updated this bestseller to reflect best practice web development using PHP 5 and MySQL 4. The 3rd Edition includes more code examples and also a new bonus chapter on structured PHP Programming which introduces techniques for organizing real world PHP applications to avoid code duplication and ensure code is manageable and maintainable. The chapter introduces features like include files, user-defined function libraries and constants, which are combined to produce a fully functional access control system suitable for use on any PHP Website.