$task_data = time();
$task_connection->send(json_encode($task_data));

任務(wù)進程接受數(shù)據(jù)：
$task_worker->onMessage = function($connection, $task_data)
{
    $task_data = json_decode($task_data, true);
    // receive_time 在高并發(fā)下有時候會有十幾秒
    $receive_time = time() - $task_data;
}