GearmanClient::setDataCallback

(PECL gearman >= 0.6.0)

GearmanClient::setDataCallback — Callback function when there is a data packet for a task

public GearmanClient::setDataCallback(callable $callback): bool

Sets the callback function for accepting data packets for a task.

注意:
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.

callback(GearmanTask $task, mixed $context): int

task: The task this callback is called for.
context: Whatever has been passed to GearmanClient::addTask() (or equivalent method) as context.

成功した場合に true を、失敗した場合に false を返します。

GearmanClient::setCompleteCallback() - Set a function to be called on task completion
GearmanClient::setCreatedCallback() - Set a callback for when a task is queued
GearmanClient::setExceptionCallback() - Set a callback for worker exceptions
GearmanClient::setFailCallback() - Set callback for job failure
GearmanClient::setStatusCallback() - Set a callback for collecting task status
GearmanClient::setWarningCallback() - Set a callback for worker warnings
GearmanClient::setWorkloadCallback() - Set a callback for accepting incremental data updates

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