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Dokumen ini menggunakan Manual laman web PHP Cina Lepaskan
(PECL gearman >= 0.5.0)
GearmanClient::setFailCallback — Set callback for job failure
$callback
)Sets the callback function to be used when a task does not complete successfully. The function should accept a single argument, a GearmanTask object.
callback
A function to call
成功时返回 TRUE
, 或者在失败时返回 FALSE
。