public function getInstitute() { if ($this->course_id != NULL) { $institute_id = Course::find()->select(['institute_id'])->where(['id' => $this->course_id])->one()->institute_id; $institute = Institute::findOne(['id' => $institute_id]); return $institute; } }
/** * @return \yii\db\ActiveQuery */ public function getInstitute() { return $this->hasOne(Institute::className(), ['id' => 'institute_id']); }