public function getSatker()
 {
     return $this->hasOne(\backend\models\DafUnitSatker::className(), ['kd_satker' => 'kd_satker']);
 }
 public function Satker($id)
 {
     $gole = \backend\models\DafUnitSatker::find()->where(['kd_satker' => $id])->one();
     return $gole->unit_id;
 }