Phalcon\Logger\Adapter\Firelogger::checkVersion PHP Method

    private function checkVersion()
    {
        if (!$this->options['checkVersion']) {
            $this->enabled = true;
            return true;
        }
        if (!isset($_SERVER['HTTP_X_FIRELOGGER'])) {
            $this->enabled = false;
            return false;
        }
        $this->clientVersion = $_SERVER['HTTP_X_FIRELOGGER'];
        if ($this->clientVersion != $this->recommendedClientVersion) {
            error_log('FireLogger for PHP (v' . $this->serverVersion . ') works best with FireLogger extension of version ' . $this->recommendedClientVersion . '. You are currently using extension v' . $this->clientVersion . '. Please install matching versions from http://firelogger.binaryage.com/ and ' . 'https://github.com/phalcon/incubator/tree/master/Library/Phalcon/Logger');
            $this->enabled = false;
            return false;
        }
        $this->enabled = true;
        return true;
    }