(PECL gearman >= 0.5.0)
GearmanClient::echo — Send data to all job servers to see if they echo it back [deprecated]
$workload
)The GearmanClient::echo() method is deprecated as of pecl/gearman 1.0.0. Use GearmanClient::ping().
workloadSome arbitrary serialized data to be echo back
Restituisce TRUE in caso di successo, FALSE in caso di fallimento.