遍历文件夹下的所有文件和文件夹-php

function get_dir_info($path){
    $handle = opendir($path);//打开目录返回句柄
    while(($content = readdir($handle))!== false){
        $new_dir = $path . DIRECTORY_SEPARATOR . $content;
        if($content == ‘..‘ || $content == ‘.‘){
            continue;
        }
        if(is_dir($new_dir)){
            echo "<br>目录：".$new_dir . ‘<br>‘;
            get_dir_info($new_dir);
        }else{
            echo "文件：".$path.‘:‘.$content .‘<br>‘;
        }
    }
}
get_dir_info($dir);