/**
* @return User
*/
public function getUser()
{
return self::hasOne(User::className(), ['id' => 'created_by']);
}
/**
* @return \yii\db\ActiveQuery
*/
public function getUser()
{
return $this->hasOne(User::className(), ['id' => 'user_id']);
}
public function getOwner()
{
return $this->hasOne(User::className(), ['id' => 'created_by']);
}