Web application frameworks are one of today's hottest topics, presenting developers with proven solutions for building applications faster than ever. Spurred on by the enormous success of Ruby on Rails, frameworks are being built in a variety of other languages, with the bulk of activity surrounding PHP. While numerous framework projects are well underway, none are as mature nor as popular as Symfony. Bundled with numerous tools for helping document, debug, and test your applications, and developed in a manner encouraging agile development principles, Symfony is sparking the imagination of thousands of developers around the globe. Authored by project and documentation leads Fabien Potencier and François Zaninotto, The Definitive Guide to Symfony serves as a complete guide to all aspects of Symfony. Readers are guided through fundamental concepts such as installation and configuration.