function destroy() {
        foreach ($this->_task_list as $task)
            $task->destroy();
        Cron::destroy($this->_name);
    }
function destroy() {
        foreach ($this->_task_list as $task)
            $task->destroy();
        Cron::destroy($this->_name);
    }
function destroy ( ) { foreach ( $ this -> _task_list as $ task ) $ task -> destroy ( ) ; Cron :: destroy ( $ this -> _name ) ; }
Destroy cron service.
Destroy cron service .