This model behavior allows you to filter and limit model find operations. Using Containable will help you cut down on needless wear and tear on your database, increasing the speed and overall performance of your application.

http://book.cakephp.org/2.0/en/core-libraries/behaviors/containable.html

The working solution to hide authentication error message in custom method

$this->Session->delete('Message.auth');

source : http://stackoverflow.com/questions/4950417/avoid-cakephps-auth-component-to-display-authentication-error-messages

If Model has beforeSave method

$this->User->save(null, array('validate' => false, 'callbacks' => false));

$this->data was used till cakephp 1.3

$this->request->data has replaced the $this->data array from cakephp 2.x onwards.

For backward compatibility $this->data is also still supported.

$this->request represents CakeRequest object and is accessible in Controller, Views and Helpers.

Request and Response objects: http://book.cakephp.org/2.0/en/controllers/request-response.html

source: http://stackoverflow.com/questions/10164203/difference-between-this-data-and-this-request-data

Run Cakephp, run !