GearmanClient::setFailCallback

(PECL gearman >= 0.5.0)

GearmanClient::setFailCallback — Set callback for job failure

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

Sets the callback function to be used when a task does not complete successfully. The function should accept a single argument, a GearmanTask object.

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::setExceptionCallback() - Set a callback for worker exceptions
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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