/**
  * Deletes task from view page (archives in DB)
  * @param $id - $id of task to delete(archive)
  */
 public function delete($id)
 {
     $id_to_delete = $id;
     $planner = new Model\Planner();
     $planner->deleteOneTask($id_to_delete);
     header('Location:http://mytest.me/my-mvc/planner/view/');
 }