(PECL gearman >= 0.5.0)
GearmanClient::doLowBackground — Run a low priority task in the background
$function, string $workload, ?string $unique = null): stringRuns a low priority task in the background, returning a job handle which can be used to get the status of the running task. Normal and high priority tasks take precedence over low priority tasks in the job queue.
functionA registered function the worker is to execute
workloadSerialized data to be processed
uniqueA unique ID used to identify a particular task
The job handle for the submitted task.