public function onWorkerStop(Server $server,int $worker_id)
    {
        $this->fireServerEvent(SwooleEvent::ON_WORKER_STOP, [$server,$worker_id]);
    }
public function onWorkerStop(Server $server,int $worker_id)
    {
        $this->fireServerEvent(SwooleEvent::ON_WORKER_STOP, [$server,$worker_id]);
    }
public function onWorkerStop ( Server $ server , int $ worker_id ) { $ this -> fireServerEvent ( SwooleEvent :: ON_WORKER_STOP , [ $ server , $ worker_id ] ) ; }
onWorkerStop event callback

@param Server $server
@throws \InvalidArgumentException
onWorkerStop event callback