Build a model layer of your PHP applications successfully, using Doctrine ORM Overview Develop a fully functional Doctrine-backed web application Demonstrate aspects of Doctrine using code samples Generate a database schema from your PHP classes In Detail Doctrine 2 has become the most popular modern persistence system for PHP. It can either be used as a standalone system or can be distributed with Symfony 2, and it also integrates very well with popular frameworks. It allows you to easily retrieve PHP object graphs, provides a powerful object-oriented query language called DQL, a database schema generator tool, and supports database migration. It is efficient, abstracts popular DBMS, and supports PHP 5.3 features. Doctrine is a must-have for moder...