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How to validate input field against the database in Yii 2.0?


If this is from a model, you can have a unique rule to it in the validation rules.

In your model, you have a rules() function:

/**
 * @return array validation rules for model
attributes.
 */
public function rules()
{
    return array(
        array('name', 'required'),
        array('some_id', 'unique'),
    );
}

Categories : PHP

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