(PECL gearman <= 0.5.0)
GearmanJob::exception — Send exception for running job (deprecated)
$exception): boolSends the supplied exception when this job is running.
注意:
This method has been replaced by GearmanJob::sendException() in the 0.6.0 release of the Gearman extension.
exceptionAn exception description.
成功时返回 true， 或者在失败时返回 false。