FluidTYPO3\Flux\View\TemplatePaths::resolveFilesInFolders PHP Method

    protected function resolveFilesInFolders(array $folders, $format)
    {
        $files = array();
        foreach ($folders as $folder) {
            $files = array_merge($files, GeneralUtility::getAllFilesAndFoldersInPath(array(), $folder, $format));
        }
        return array_values($files);
    }