Common\Core\Model::getThumbnailFolders PHP Method

    public static function getThumbnailFolders($path, $includeSource = false)
    {
        $return = array();
        $filesystem = new Filesystem();
        if (!$filesystem->exists($path)) {
            return $return;
        }
        $finder = new Finder();
        $finder->name('/^([0-9]*)x([0-9]*)$/');
        if ($includeSource) {
            $finder->name('source');
        }
        foreach ($finder->directories()->in($path)->depth('== 0') as $directory) {
            $chunks = explode('x', $directory->getBasename(), 2);
            if (count($chunks) != 2 && !$includeSource) {
                continue;
            }
            $item = array();
            $item['dirname'] = $directory->getBasename();
            $item['path'] = $directory->getRealPath();
            if (mb_substr($path, 0, mb_strlen(PATH_WWW)) == PATH_WWW) {
                $item['url'] = mb_substr($path, mb_strlen(PATH_WWW));
            }
            if ($item['dirname'] == 'source') {
                $item['width'] = null;
                $item['height'] = null;
            } else {
                $item['width'] = $chunks[0] != '' ? (int) $chunks[0] : null;
                $item['height'] = $chunks[1] != '' ? (int) $chunks[1] : null;
            }
            $return[] = $item;
        }
        return $return;
    }