GearmanClient::addTaskLowBackground
(PECL gearman >= 0.5.0)
GearmanClient::addTaskLowBackground — Add a low priority background task to be run in parallel
说明
public GearmanClient::addTaskLowBackground
( string
$function_name
, string $workload
[, mixed &$context
[, string $unique
]] ) : GearmanTaskAdds a low priority background task to be run in parallel with other tasks. Call this method for all the tasks to be run in parallel, then call GearmanClient::runTasks() to perform the work. Tasks with a low priority will be selected from the queue after those of normal or high priority.
参数
-
function_name -
由程序自动执行的已注册函数。
-
workload -
被处理的序列化数据。
-
context -
与任务关联的应用程序上下文。
-
unique -
用于标识特定任务的唯一性 ID。
返回值
A GearmanTask object or FALSE if the task could not be added.
参见
- GearmanClient::addTask() - Add a task to be run in parallel
- GearmanClient::addTaskHigh() - Add a high priority task to run in parallel
- GearmanClient::addTaskLow() - Add a low priority task to run in parallel
- GearmanClient::addTaskBackground() - Add a background task to be run in parallel
- GearmanClient::addTaskHighBackground() - Add a high priority background task to be run in parallel
- GearmanClient::runTasks() - Run a list of tasks in parallel