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Extending common classes to allow better customization

Revision #4 has been created by Steve Friedl on Apr 4, 2011, 4:15:33 PM with the memo:

The framework base class is in fact CController, and Controller is the blog demo's helper class. Fixed a previous revision, plus added the note about the blog demo Controller helper class
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Extending common classes to allow better customization

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[...]
```php
<?php
// in protected/components/MyController.php

class MyController extends CController {

}
[...]
Note: the common Yii convention is to remove the leading `C` when creating custom classes, by I believe it's more obvious that these are user-defined classes by using the `My` prefix. But choose the convention you prefer.

Note#2: If you're looking at the Blog demo, the application controllers **already** extend from `protected/components/Controller.php`, which is the blog's helper class of this kind - no need to extend it again.
 
 
Once these class files have been created, edit each of your controllers and models:

```php
// in protected/controllers/PostController.php

class PostController extends MyController {
[...]
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Written by: Steve Friedl
Last updated by: Steve Friedl
Created on: Dec 17, 2010
Last updated: 13 years ago
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