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Enforcing "You must agree" requirements in forms

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Enforcing "You must agree" requirements in forms

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How-tos

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validation

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[...]
* I agree that Yii is the best MVC framework ever
* I am over 18 years of age

In this case, the checkbox (implemented in the usual way in a form) warrants a validator that enforces this condition, and it can be done with the built-in `compare` validator along with a custom message:

Here, the model's `iagree` attribute (which could be named anything as your database or form dictate) can be attached to a form, and validation will be applied to it:

```php
class SomeModel extends CActiveRecord {
...
public function rules()
[...]
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Version: 1.1
Category: How-tos
Tags: validation
Written by: Steve Friedl
Last updated by: Steve Friedl
Created on: Jan 20, 2011
Last updated: 13 years ago
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