Bolt\Composer\PackageManager::ping PHP Method

    private function ping($addQuery = false)
    {
        $uri = $this->app['extend.site'] . 'ping';
        $query = [];
        if ($this->app['request_stack']->getCurrentRequest() !== null) {
            $www = $this->app['request_stack']->getCurrentRequest()->server->get('SERVER_SOFTWARE', 'unknown');
        } else {
            $www = 'unknown';
        }
        if ($addQuery) {
            $query = ['bolt_ver' => Bolt\Version::VERSION, 'php' => phpversion(), 'www' => $www];
        }
        try {
            $this->app['guzzle.client']->head($uri, ['query' => $query, 'exceptions' => true, 'connect_timeout' => 10, 'timeout' => 30]);
            $this->app['extend.online'] = true;
        } catch (ClientException $e) {
            // Thrown for 400 level errors
            $this->messages[] = Trans::__('Client error: %errormessage%', ['%errormessage%' => $e->getMessage()]);
            $this->app['extend.online'] = false;
        } catch (ServerException $e) {
            // Thrown for 500 level errors
            $this->messages[] = Trans::__('Extension server returned an error: %errormessage%', ['%errormessage%' => $e->getMessage()]);
            $this->app['extend.online'] = false;
        } catch (RequestException $e) {
            // Thrown for connection timeout, DNS errors, etc
            $this->messages[] = Trans::__('Testing connection to extension server failed: %errormessage%', ['%errormessage%' => $e->getMessage()]);
            $this->app['extend.online'] = false;
        } catch (\Exception $e) {
            // Catch all
            $this->messages[] = Trans::__('Generic failure while testing connection to extension server: %errormessage%', ['%errormessage%' => $e->getMessage()]);
            $this->app['extend.online'] = false;
        }
    }