Ajax controller with JSON response for Kohana 3.1

gistfile1.php

<?php

class Controller_Ajax extends Controller {

	public function before()
	{
		if (!$this->request->is_ajax())
		{
			$this->request->redirect();
		}
		$this->response->headers('Content-Type', 'application/json; charset=utf-8');
	}

	public function action_data()
	{
		$this->response->body(json_encode(array('test'=>'json'));
	}
}

good!