php-symfony-runtime 5.4.9+dfsg-1ubuntu2 (amd64 binary) in ubuntu kinetic

 The Symfony Runtime Component decouples the bootstrapping logic from any
 global state to make sure the application can run with runtimes like PHP-FPM,
 ReactPHP, Swoole, etc. without any changes.
 .
 Symfony is a PHP framework, a set of tools and a development methodology.