Model/Notification.php
public function getLastVersion()
    {
        try {
            $url = self::CHECK_VERSION_URL;
            $client = $this->curlFactory->create();

            $client->write(\Zend_Http_Client::GET, $url, '1.1');
            $responseBody = $client->read();
            $client->close();

            $responseCode = \Zend_Http_Response::extractCode($responseBody);
            if ($responseCode !== 200) {
                return false;
            }
            $body = \Zend_Http_Response::extractBody($responseBody);
            $json = json_decode($body);
            $version = !empty($json->version) ? $json->version : false;

            return $version;
        } catch (\Exception $e) {
            $this->_logger->log(100, $e->getMessage().$url);
            return false;
        }
    }
public function getLastVersion()
    {
        try {
            $url = self::CHECK_VERSION_URL;
            $client = $this->curlFactory->create();

            $client->write(\Zend_Http_Client::GET, $url, '1.1');
            $responseBody = $client->read();
            $client->close();

            $responseCode = \Zend_Http_Response::extractCode($responseBody);
            if ($responseCode !== 200) {
                return false;
            }
            $body = \Zend_Http_Response::extractBody($responseBody);
            $json = json_decode($body);
            $version = !empty($json->version) ? $json->version : false;

            return $version;
        } catch (\Exception $e) {
            $this->_logger->log(100, $e->getMessage().$url);
            return false;
        }
    }
Fetches last github version

@return bool|float