Determine if your environment is an MVC framework or full-text infrastructure
A loosely coupled framework uses a / library like Zend / Symfony, where you simply provide all the classes and interfaces that the developer can use, but you don’t impose a specific request-response stream.
A full-fledged one provides and usually forces the developer to use the request stream that he has installed, for example CakePHP, CodeIgniter or Kohana.
p / s: sorry, I do not know the real terms for the categories of frames.
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Zend/Symfony/CakePHP, , -/. , CMS , - .