Symfony is a web framework and a set of reusable PHP packages to build web applications, APIs, microservices and CLI apps.

Symfony 7 was released on November 29st 2023. Symfony 7 included a command profiler and support for importmaps and early hints.

Download the Symfony CLI tool, create Symfony applications and use Symfony packages.

What is Symfony Symfony is a set of PHP Packages, a Web Application framework, a Philosophy, and a Community — all working together in harmony.

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 …

Symfony documentation includes articles, tutorials and books to learn about the Symfony PHP framework and its packages.

The Symfony Yaml Component implements a selected subset of features defined in the YAML 1.2 version specification. Scalars The syntax for scalars is similar to the PHP syntax. Strings …

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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.

May 27, 2025 · Symfony 7.3 introduces validation improvements including better When constraint, deprecations for array-based options, and enhanced file, image, and uniqueness constraints.