遍历文件夹

<?php
function files($path) {
    foreach(scandir($path) as $line) {
        if($line=='.' || $line=='..')
            continue;
        if(is_dir($path.'/'.$line)) files($path.'/'.$line);
        else echo $path.'/'.$line."\n";
    }
}
files('/root/xuechao/php');