(PECL gearman <= 0.5.0)
GearmanJob::fail — Send fail status (deprecated)
Sends failure status for this job, indicating that the job failed in a known way (as opposed to failing due to a thrown exception).
注意:
This method has been replaced by GearmanJob::sendFail() in the 0.6.0 release of the Gearman extension.
この関数にはパラメータはありません。
成功した場合に true を、失敗した場合に false を返します。