public function getRegion() { return $this->hasOne(Region::className(), ['id' => 'region_id']); }
/** * @return \yii\db\ActiveQuery */ public function getDistrict0() { return $this->hasOne(Region::className(), ['id' => 'district']); }
/** * @return \yii\db\ActiveQuery */ public function getRegions() { return $this->hasMany(Region::className(), ['island_id' => 'island_id']); }