(PECL gearman <= 0.5.0)
GearmanJob::warning — Send a warning (deprecated)
Sends a warning for this job while it is running.
Nota:
This method has been replaced by GearmanJob::sendWarning() in the 0.6.0 release of the Gearman extension.
warning
A warning messages.
Retorna true
em caso de sucesso ou false
em caso de falha.