Zend\Diactoros\Uri::createUriString PHP Метод

    private static function createUriString($scheme, $authority, $path, $query, $fragment)
    {
        $uri = '';
        if (!empty($scheme)) {
            $uri .= sprintf('%s://', $scheme);
        }
        if (!empty($authority)) {
            $uri .= $authority;
        }
        if ($path) {
            if (empty($path) || '/' !== substr($path, 0, 1)) {
                $path = '/' . $path;
            }
            $uri .= $path;
        }
        if ($query) {
            $uri .= sprintf('?%s', $query);
        }
        if ($fragment) {
            $uri .= sprintf('#%s', $fragment);
        }
        return $uri;
    }