GearmanClient::setExceptionCallback

(PECL gearman >= 0.5.0)

GearmanClient::setExceptionCallback — Set a callback for worker exceptions

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

Specifies a callback function to call when a worker for a task sends an exception.

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