yii, mode rule for unique composite key

Here is the code to to make a rule in the model file to make unique composite keys : Save code below as proctected/components/CompositeUniqueKeyValidator.php <?php /** * CompositeUniqueKeyValidator class file. */class CompositeUniqueKeyValidator extends CValidator { /** * @var string comma separated columns that are unique key */ public $keyColumns; public $errorMessage = ‘”{columns_labels}” are not… Continue reading yii, mode rule for unique composite key