(PECL gearman >= 0.5.0)
GearmanClient::addTaskLowBackground — Add a low priority background task to be run in parallel
$function_name
, string $workload
[, mixed &$context
[, string $unique
]] )Adds 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.
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。
A GearmanTask object or FALSE if the task could not be added.