GearmanClient::setClientCallback

(PECL gearman <= 0.5.0)

GearmanClient::setClientCallback — Callback function when there is a data packet for a task (deprecated)

public GearmanClient::setClientCallback(callable $callback): void

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

注意:
This method has been replaced by GearmanClient::setDataCallback() in the 0.6.0 release of the Gearman extension.

注意:
The callback will only be triggered for tasks that are added (e.g. by calling GearmanClient::addTask()) after calling this method.

callback

调用的函数或方法。应该返回有效的 Gearman 返回值。

如果没有返回语句，默认是 GEARMAN_SUCCESS。

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

task: 调用此 callback 的任务。
context: Whatever has been passed to GearmanClient::addTask() (or equivalent method) as context.

成功时返回 true，或者在失败时返回 false。

GearmanClient::setCompleteCallback() - Set a function to be called on task completion
GearmanClient::setCreatedCallback() - Set a callback for when a task is queued
GearmanClient::setDataCallback() - Callback function when there is a data packet for a task
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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