(PECL gearman <= 0.5.0)
GearmanJob::warning — Send a warning (deprecated)
Sends a warning for this job while it is running.
Informacja: This method has been replaced by GearmanJob::sendWarning in the 0.6.0 release of the Gearman extension.
A warning messages.
Zwraca TRUE w przypadku powodzenia, FALSE w przypadku błędu.