GearmanClient::echo

(PECL gearman >= 0.5.0)

GearmanClient::echo — Send data to all job servers to see if they echo it back [deprecated]

public bool GearmanClient::echo ( string $workload )

The GearmanClient::echo() method is deprecated as of pecl/gearman 1.0.0. Use GearmanClient::ping().

成功时返回 TRUE，或者在失败时返回 FALSE。