app\controllers\TasksController::actionTasksUpdate PHP Method

    public function actionTasksUpdate()
    {
        if (isset($_POST['task_id'])) {
            $tasks = Task::findAll($_POST['task_id']);
            foreach ($tasks as $t) {
                /**
                 * @var Task $t
                 */
                $action_status = array('Enable' => TaskInterface::TASK_STATUS_ACTIVE, 'Disable' => TaskInterface::TASK_STATUS_INACTIVE, 'Delete' => TaskInterface::TASK_STATUS_DELETED);
                $t->setStatus($action_status[$_POST['action']]);
                $t->save();
            }
        }
    }