source/Core/Config.php
public function getRequestControllerClass()
    {
        $controllerId = $this->getRequestControllerId();
        $controllerClass = Registry::getControllerClassNameResolver()->getClassNameById($controllerId);

        return $controllerClass;
    }
public function getRequestControllerClass()
    {
        $controllerId = $this->getRequestControllerId();
        $controllerClass = Registry::getControllerClassNameResolver()->getClassNameById($controllerId);

        return $controllerClass;
    }
public function getRequestControllerClass ( ) { $ controllerId = $ this -> getRequestControllerId ( ) ; $ controllerClass = Registry :: getControllerClassNameResolver ( ) -> getClassNameById ( $ controllerId ) ; return $ controllerClass ; }
Use this function to get the controller class hidden behind the request's 'cl' parameter.

@return mixed
Use this function to get the controller class hidden behind the request s cl parameter .