(PECL gearman >= 0.5.0)
GearmanTask::dataSize — Get the size of returned data
public GearmanTask::dataSize ( ) : int
Returns the size of the data being returned for a task.
This function has no parameters.
The data size, or false if there is no data.
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https://www.php.net/manual/en/gearmantask.datasize.php