GearmanClient::setDataCallback
(PECL gearman >= 0.6.0)
GearmanClient::setDataCallback — Callback function when there is a data packet for a task
Description
public function GearmanClient::setDataCallback(
callable $callback):
bool
Sets the callback function for accepting data packets for a task.
Note:
The callback will only be triggered for tasks that are added (e.g. by calling GearmanClient::addTask())
after calling this method.
Parameters
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.
Return Values
Returns true on success or false on failure.
GearmanClient::setData
GearmanClient