Contoh beforeSave Yii1

class User extends CActiveRecord
{
    public static function model($className=__CLASS__)
    {
        return parent::model($className);
    }

    public function tableName()
    {
        return 'user';
    }

    protected function beforeSave() {
        if(parent::beforeSave()) {
            // letakkan pengecekan di sini.
            if($checkOk)
                return true; // simpan
            else
                return false; // gagalkan penyimpanan
        }
    }
}