The HttpKernel component provides a structured process for converting a Request into a Response.
The Validator component provides tools to validate values following the JSR-303 Bean Validation specification.
Symfony Security ACL Component
The Filesystem component provides basic utilities for the filesystem.
A set of abstractions extracted out of the Symfony components
A set of translation abstractions extracted out of the Symfony components
The ExpressionLanguage component provides an engine that can compile and evaluate expressions.
The HttpFoundation component defines an object-oriented layer for the HTTP specification.
The Security component provides a complete security system for your web application.