GearmanClient::echo
(PECL gearman >= 0.5.0)
GearmanClient::echo — Send data to all job servers to see if they echo it back [deprecated]
说明
public GearmanClient::echo(string
$workload): boolThe GearmanClient::echo() method is deprecated as of pecl/gearman 1.0.0. Use GearmanClient::ping().
参数
-
workload -
Some arbitrary serialized data to be echo back
返回值
成功时返回 true， 或者在失败时返回 false。
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