(PECL gearman >= 0.5.0)
GearmanClient::setExceptionCallback — Set a callback for worker exceptions
public GearmanClient::setExceptionCallback ( callable $callback ) : bool
Specifies a function to call when a worker for a task sends an exception.
callback
Function to call when the worker throws an exception
Returns true
on success or false
on failure.
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https://www.php.net/manual/en/gearmanclient.setexceptioncallback.php