For Gearman PHP 1.1.1
sendData() only works for addTask.
It does not work with doNormal, doBackground or addTaskBackground submission types
(PECL gearman >= 0.6.0)
GearmanJob::sendData — Send data for a running job
$data
)Sends data to the job server (and any listening clients) for this job.
data
Arbitrary serialized data.
성공 시 TRUE
를, 실패 시 FALSE
를 반환합니다.