Symfony aims to speed up the creation and maintenance of web applications and to replace repetitive coding tasks. Symfony has a low performance overhead used with a bytecode cache. Symfony is aimed at building robust applications in an enterprise context, and aims to give developers full control over the configuration: from the directory structure to the foreign libraries, almost everything can be customized. Php zend framework tutorial pdf match enterprise development guidelines, Symfony is bundled with additional tools to help developers test, debug and document projects.
At one time it was used for 20 million users of Yahoo! Symfony, and is continuing the transition. Symfony is also used by Meetic, one of the largest online dating platforms in the world, on most of its websites for implementing its business logic in the backend. Django to Symfony following an acquisition.
Symfony release comes out every six months: one in May and one in November. This release process has been adopted as of Symfony 2. 2, and all the “rules” explained in this document must be strictly followed as of Symfony 2. The current LTS release is version 3. 4 is identical to 1.