runController example

// Closure controller has run in startController().         if (! is_callable($this->controller)) {
            $controller = $this->createController();

            if (! method_exists($controller, '_remap') && ! is_callable([$controller, $this->method], false)) {
                throw PageNotFoundException::forMethodNotFound($this->method);
            }

            // Is there a "post_controller_constructor" event?             Events::trigger('post_controller_constructor');

            $returned = $this->runController($controller);
        } else {
            $this->benchmark->stop('controller_constructor');
            $this->benchmark->stop('controller');
        }

        // If $returned is a string, then the controller output something,         // probably a view, instead of echoing it directly. Send it along         // so it can be used with the output.         $this->gatherOutput($cacheConfig, $returned);

        if ($this->enableFilters) {