PHP를 구현하여 지정된 폴더의 파일을 재귀적으로 탐색하는 방법

<?php
$dirPath=&#39;/home/WWW/Test&#39;;//目录,结尾不加&#39;/‘
 
//执行遍历
recursion_readdir($dirPath);
 
/**
*@summary 重复times次字符char
*@param $char 需要重复的字符
*@param $times 重复次数
*@return 返回重复字符组成的字符串
*/
function forChar($char=&#39;-&#39;,$times=0){
  $result=&#39;&#39;;
  for($i=0;$i<$times;$i++){
    $result.=$char;
  }
  return $result;
}
 
/**
*@summary  递归读取目录
*@param $dirPath 目录
*@param $Deep=0 深度，用于缩进,无需手动设置
*@return 无
*/
function recursion_readdir($dirPath,$Deep=0){
 $resDir=opendir($dirPath);
 while($basename=readdir($resDir)){
   //当前文件路径
   $path=$dirPath.&#39;/&#39;.$basename;
   if(is_dir($path) AND $basename!=&#39;.&#39; AND $basename!=&#39;..&#39;){
    //是目录，打印目录名，继续迭代
    echo forChar(&#39;-&#39;,$Deep).$basename.&#39;/<br/>&#39;;
    $Deep++;//深度+1
    recursion_readdir($path,$Deep);
   }else if(basename($path)!=&#39;.&#39; AND basename($path)!=&#39;..&#39;){
     //不是文件夹，打印文件名
     echo forChar(&#39;-&#39;,$Deep).basename($path).&#39;<br/>&#39;;
   }
 
 }
 closedir($resDir);
}