Neos\FluidAdaptor\ViewHelpers\FormViewHelper::renderHiddenActionUriQueryParameters PHP Method

    protected function renderHiddenActionUriQueryParameters()
    {
        $result = '';
        $actionUri = $this->getFormActionUri();
        $query = parse_url($actionUri, PHP_URL_QUERY);
        if (is_string($query)) {
            $queryParts = explode('&', $query);
            foreach ($queryParts as $queryPart) {
                if (strpos($queryPart, '=') !== false) {
                    list($parameterName, $parameterValue) = explode('=', $queryPart, 2);
                    $result .= chr(10) . '<input type="hidden" name="' . htmlspecialchars(urldecode($parameterName)) . '" value="' . htmlspecialchars(urldecode($parameterValue)) . '" />';
                }
            }
        }
        return $result;
    }