255], [['access_token'], 'unique'], ]; } /** * @inheritdoc */ public function attributeLabels() { return [ 'user_id' => Yii::t('backend', 'User ID'), 'access_token' => Yii::t('backend', 'Access Token'), 'refresh_token' => Yii::t('backend', 'Refresh Token'), 'expires' => Yii::t('backend', 'Expires'), 'scope' => Yii::t('backend', 'Scope'), 'addtime' => Yii::t('backend', 'Addtime'), ]; } }