/**
  * @return \yii\db\ActiveQuery
  */
 public function getTask()
 {
     return $this->hasOne(SptTask::className(), ['id' => 'task_id']);
 }
 /**
  * @return \yii\db\ActiveQuery
  */
 public function getTasks()
 {
     return $this->hasMany(SptTask::className(), ['project_id' => 'id']);
 }