> Everyone who evaluated the code said the same thing, to sum it up (in their professorial opinion) the framework was not utilized correctly which resulted in the numerous bugs and browser incompatibility issues.
How using PHP framework may result in browser incompatibility issues? Whole processing happens in the server side for PHP, not in browser...
Like any MVC platform, there are tools in place to handle the V. If those tools were not used properly, and hacked, then it could indeed result in poor HTML.