symfony 1. x legacy website The symfony 1 x branch of the framework started in 2005 and the latest stable version and long term support release is symfony 1 4 As of November 2012, symfony 1 x is not maintained anymore and you are encouraged to have a look at newer Symfony versions for any new projects
What is Symfony What is Symfony Symfony is a set of PHP Packages, a Web Application framework, a Philosophy, and a Community — all working together in harmony
Symfony Packages Symfony Packages are a set of decoupled and reusable PHP libraries They have become the standard foundation on which the best PHP applications are built on
Configuring Symfony (Symfony Docs) Configuration Files Symfony applications are configured with the files stored in the config directory, which has this default structure: 1 2 3 4 5 6 7 8 9 your
How to Use the Serializer (Symfony Docs) Note The serializer pack also installs some commonly used optional dependencies of the Serializer component When using this component outside the Symfony framework, you might want to start with the symfony serializer package and install optional dependencies if you need them
Routing (Symfony Docs) When your application receives a request, it calls a controller action to generate the response The routing configuration defines which action to run for each incoming URL It also provides other useful features, like generating SEO-friendly URLs (e g read intro-to-symfony instead of index php?article_id=57)