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
): boolSends data to the job server (and any listening clients) for this job.
data
Arbitrary serialized data.
Retorna true
em caso de sucesso ou false
em caso de falha.