(PECL gearman >= 0.5.0)
GearmanClient::addTaskHighBackground — Add a high priority background task to be run in parallel
$function_name,$workload,$context = null,$unique_key = nullAdds a high 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 high priority will be selected from the queue before those of normal or low priority.
function_nameA registered function the worker is to execute
workloadSerialized data to be processed
contextApplication context to associate with a task
unique_keyA unique ID used to identify a particular task
A GearmanTask object or false if the task could not be added.