我正在尝试获取多维数组中的目录结构。我做到了这一点:functiondirtree($dir,$regex='',$ignoreEmpty=false){if(!$dirinstanceofDirectoryIterator){$dir=newDirectoryIterator((string)$dir);}$dirs=array();$files=array();foreach($diras$node){if($node->isDir()&&!$node->isDot()){$tree=dirtree($node->getPathname(),$regex,$ignoreEmpty)