codeigniter 2.0 Fatal error: Class 'Controller' not found in

Question

i have download the new codeigniter 2.0 and put my controller,model and view files in the new codeigniter 2.0 installation. but i got this error

Fatal error: Class

Answer 1

In CodeIgniter 2 your controllers inherit from super class CI_Controller, rather than the super class Controller used in CodeIgniter 1.

The same applies to models in CI2 which extend the class CI_Model rather then Model.