DmitryDulepov\Realurl\Encoder\UrlEncoder::encodePreVars PHP Method

    protected function encodePreVars()
    {
        $preVars = (array) $this->configuration->get('preVars');
        if (count($preVars) > 0) {
            $segments = $this->encodeUrlParameterBlock($preVars);
            if (count($segments) > 0) {
                $this->appendToEncodedUrl(implode('/', $segments));
            }
        }
    }