(PECL gearman >= 0.5.0)
GearmanTask::recvData — Read work or result data into a buffer for a task
此函数是实验性的。此函数的表象,包括名称及其相关文档都可能在未来的 PHP 发布版本中未通知就被修改。使用本函数风险自担。
data_len
Length of data to be read.
An array whose first element is the length of data read and the second is the data buffer.
Returns false
if the read failed.