TimestampBehavior::class, 'attributes' => [ ActiveRecord::EVENT_BEFORE_INSERT => ['created_at'], ActiveRecord::EVENT_BEFORE_UPDATE => ['updated_at'] ] ] ]; } /** * @inheritdoc */ public function rules() { return [ [['user_id', 'status', 'order_id'], 'integer'], [['amount'], 'number'], [['created_at', 'updated_at'], 'safe'], ]; } }