Walkthrough to learn symfony 1.x and propel orm.
https://symfony.com/legacy/doc/jobeet?orm=Propel
previous docs (no longer working): http://www.symfony-project.org/jobeet/1_4/Propel/en/
Note: This project uses peer methods deprecated in Propel 1.5 and 1.6. Propel 1.5 introduced query methods. Below are some good references on peer methods versus query methods and how to refactor peer methods
http://propel.posterous.com/propel-query-by-example
http://propel.posterous.com/refactoring-from-peer-classes-to-query-classe