intersvyaz/yii-old-attribute-behavior

Yii old attribute behavior.

yii-old-attribute-behavior

, _(*1)

Example usage:, _(*2)

class User extends CActiveRecord
{
  /**
   * @inheritdoc
   */
    public function behaviors()
    {
        return array_merge(
            parent::behaviors(),
            [
                'oldBehavior' => ['class' => Intersvyaz\Behavior\OldAttributesBehavior::class],
            ]
        );
    }

    /**
     * @inheritdoc
     */
    protected function afterSave()
    {
      if ($this->isModified('username')) {
          // some your logic
          $oldValue = $this->old->username;
          // or
          $oldValue = $this->oldAttributes['username'];
          // new value in $this->username
      }
      parent::afterSave();
    }
}