public function combineFiles($name, $files)
    {
        $backend = Requirements::backend();
        
        $path = File::join_paths($backend->getCombinedFilesFolder(), $name);
        
        return $backend->getAssetHandler()->getContentURL($path, function () use ($files) {
            
            $output = [];
            
            foreach ($files as $file => $data) {
                $output[] = "/***** FILE: $file *****/";
                $output[] = $data;
            }
            
            return implode("\n", $output);
            
        });
    }