[ 'class' => SaveRelationsBehavior::className(), 'relations' => ['userProfile'] ], ]; } /** * @inheritdoc */ public function rules() { return [ ['username', 'required'], ['username', 'unique', 'targetClass' => '\tests\models\User'], ]; } /** * @return \yii\db\ActiveQuery */ public function getUserProfile() { return $this->hasOne(UserProfile::className(), ['user_id' => 'id']); } }