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Create your own Validation Rule

Revision #5 has been created by marcanuy on Oct 9, 2011, 12:33:20 AM with the memo:

added missing constants
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Create your own Validation Rule

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How-tos

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validator, validation rules, model validation, create validator

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[...]
The easiest way to create a new validation rule is inside the model that is going to use it.

Let's say that you want to check if a user password is safe enough.
Usually you could achieve this result just by using the [CRegularExpressionValidator](http://www.yiiframework.com/doc/api/CRegularExpressionValidator) but for the sake of this guide let's pretend that validator does not exist.

first of all in your model
class you'll have to add two constants
 
 
```php 
const WEAK = 0;
 
const STRONG = 1;
 
```
 
 
 
then in your 
rules method you'll have to set the rule



```php
/**
[...]
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Version: 1.1
Category: How-tos
Written by: nickcv
Last updated by: Gismo
Created on: Mar 31, 2011
Last updated: 5 years ago
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