So, I'm sure by now everyone's used the very familiar "accessControl" filter, but so much of that happens behind the scenes. This post goes into how to create your own filters and how they can be useful.
Information about how to set up filters can be found here: http://www.yiiframework.com/doc/guide/basics.controller#filter
The method-based implementation of the filters is extremely straight forward, simply add the method to the controller in the form of public function filterXYZ( $c ) then add XYZ to your array of filters:
