SharedWorker.php
public static function stopWorker($socketAddress, WorkerBootstrapProfile $bootstrapProfile)
    {
        $adminCookie = $bootstrapProfile->getAdminCookie();
        if ($adminCookie === null) {
            throw new Exception\LogicException('Cannot stop a shared worker without an admin cookie');
        }
        try {
            $channel = self::connect($socketAddress, $bootstrapProfile);
        } catch (Exception\RuntimeException $e) {
            return false;
        }
        AdminEncoding::sendStopMessage($channel, $adminCookie);

        return true;
    }
public static function stopWorker($socketAddress, WorkerBootstrapProfile $bootstrapProfile)
    {
        $adminCookie = $bootstrapProfile->getAdminCookie();
        if ($adminCookie === null) {
            throw new Exception\LogicException('Cannot stop a shared worker without an admin cookie');
        }
        try {
            $channel = self::connect($socketAddress, $bootstrapProfile);
        } catch (Exception\RuntimeException $e) {
            return false;
        }
        AdminEncoding::sendStopMessage($channel, $adminCookie);

        return true;
    }
@param string                 $socketAddress
@param WorkerBootstrapProfile $bootstrapProfile

@throws Exception\LogicException
@throws Exception\RuntimeException

@return bool