infrastructure for authorization systems - HTTP integration

convert PHP objects into specific formats and vice versa

profile PHP code

tools needed to build a template system

tools to internationalize an application

integration for Twig with Symfony Components

configurable integration of Twig with the Symfony framework

tools to validate classes

Symfony mechanism for exploring and dumping PHP variables

manage links between resources

collect requests information for analysis and debugging

provide commands for applications using the PHP built-in web server

manage a workflow or finite state machine

convert YAML to PHP arrays and the other way around

Flexible, fast, and secure template engine for PHP