* C-extensions are loaded together with PHP one time on the web server’s daemon start process * Classes and functions provided by the extension are ready to use for any application * The code is compiled and isn’t interpreted because is already compiled to a specific platform and processor * Thanks to its low-level architecture and optimizations Phalcon provides the lowest overhead for MVC-based applications

* Symfony Framework: The leading PHP framework to create websites and web applications. Built on top of the Symfony Components. * Symfony Components: A set of decoupled and reusable components on which the best PHP applications are built, such as Drupal, phpBB, and eZ Publish. * Symfony Community: A huge community of Symfony fans committed to take PHP to the next level. * Symfony Philosophy: Embracing and promoting professionalism, best practices, standardization and interoperability of applications.