(PECL gearman >= 0.5.0)
GearmanClient::setFailCallback — Set callback for job failure
Sets the callback function to be used when a task does not complete successfully.
Nota:
The callback will only be triggered for tasks that are added (e.g. by calling GearmanClient::addTask()) after calling this method.
callback
A function or method to call. It should return a valid Gearman return value.
If no return statement is present, it defaults to GEARMAN_SUCCESS
.
task
The task this callback is called for.
context
Whatever has been passed to GearmanClient::addTask() (or equivalent method) as context
.