public function search($params)
 {
     $query = StudentPhone::find();
     $query->orderBy(['ord' => SORT_ASC]);
     $dataProvider = new ActiveDataProvider(['query' => $query]);
     if (!($this->load($params) && $this->validate())) {
         return $dataProvider;
     }
     $query->andFilterWhere(['id' => $this->id, 'ord' => $this->ord, 'student_id' => $this->student_id, 'active' => $this->active]);
     $query->andFilterWhere(['like', 'number', $this->number])->andFilterWhere(['like', 'name', $this->name]);
     return $dataProvider;
 }
 /**
  * @return \app\models\StudentPhone
  */
 public function getBestPhone()
 {
     return StudentPhone::find()->joinWith('student')->where(['student.id' => $this->id])->orderBy(['student_phone.ord' => SORT_ASC])->one();
 }