/**
* 返回指定路径中符合条件的文件夹列表
* @param string $path
* @param string $sort
* @return array
*/
public static function folderList($path, $sort = 'ASC', $withPath = false)
{
$condition = array('folderonly' => true);
$result = FileSystem::ls($path, $condition, $sort, $withPath);
return $result;
}
/**
* 清空cache中所有项
* @return 如果成功则返回 TRUE，失败则返回 FALSE。
* @access public
*/
public function flush()
{
$fileList = FileSystem::ls($this->cachePath, array(), 'asc', true);
return FileSystem::rm($fileList);
}
