(PECL gearman <= 0.5.0)
GearmanJob::data — Send data for a running job (deprecated)
$data
   )Sends data to the job server (and any listening clients) for this job.
Bilginize:
This method has been replaced by GearmanJob::sendData() in the 0.6.0 release of the Gearman extension.
dataArbitrary serialized data.
   Başarı durumunda TRUE, başarısızlık durumunda FALSE döner.