php-symfony-web-server-bundle 3.4.15+dfsg-2ubuntu4 (amd64 binary) in ubuntu cosmic

 Symfony WebServerBundle provides commands for running applications
 using the PHP built-in web server. It simplifies local development setup,
 avoiding the configuration of a proper web server such as Apache or Nginx to
 run an application.
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 Symfony is a PHP framework, a set of tools and a development methodology.