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Adding some documentation about component callbacks.

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mark_story 2010-09-14 23:01:39 -04:00
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commit 273a189e98
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cake/libs/controller/component.php
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@ -23,6 +23,18 @@ App::import('Controller', 'ComponentCollection', false);
* controller logic that can be composed into a controller. Components also
* provide request life-cycle callbacks for injecting logic at specific points.
*
* ## Life cycle callbacks
*
* Components can provide several callbacks that are fired at various stages of the request
* cycle. The available callbacks are:
*
* - `initialize()` - Fired before the controller's beforeFilter method.
* - `startup()` - Fired after the controller's beforeFilter method.
* - `beforeRender()` - Fired before the view + layout are rendered.
* - `shutdown()` - Fired after the action is complete and the view has been rendered
* but before Controller::afterFilter().
* - `beforeRedirect()` - Fired before a redirect() is done.
*
* @package cake
* @subpackage cake.cake.libs.controller
* @link http://book.cakephp.org/view/993/Components