An example of PHP directory traversal and deletion code

The code for directory or folder traversal and deletion of specified files implemented in PHP is very simple and suitable for reference by beginners.

The main functions are as follows: Traverse the files, directories and subdirectories under the folder, read the directories and files under the current file, and delete the directories, subdirectories and files under the current folder. Note: Chinese catalogs are not supported yet.

<?php
header("Content-type:text/html;charset=utf-8");
/**
* 读取当前目录下的文件和目录
* 
* @param    string    $path    路径
* @return    array    所有满足条件的文件
*/
function tlist($path){
    $path = iconv('utf-8', 'gbk', $path);
    if(!is_dir($path)){
        throw new Exception($path."不是目录");
    }
    $arr = array('dir'=>array(),'file'=>array());
    $hd = opendir($path);
    while(($file = readdir($hd))!==false){
        if($file=="."||$file=="..") {continue;}
        if(is_dir($path."/".$file)){
            $arr['dir'][] = iconv('gbk','utf-8',$file);
        }else if(is_file($path."/".$file)){
            $arr['file'][] = iconv('gbk','utf-8',$file);
        }
    }
    closedir($hd);
    echo "目录有:".implode("<br />",$arr['dir'])."<br />";
    echo "文件有:".implode("<br />",$arr['file']);
}
/**
* 遍历当前目录下的文件和目录以及子文件夹中目录
* 
* @param    string    $path    路径
* @return    array    所有满足条件的文件
*/
function blist($path){
    if(!is_dir(iconv("utf-8","gbk",$path))){
    throw new Exception("文件夹".$path."不存在或者不是文件");
   }
    $arr = array();
    $hd = opendir(iconv("utf-8","gbk",$path));
    while(($file = readdir($hd))!==false){
        if($file=="."||$file=="..") {continue;}
          $newpath=iconv('utf-8', 'gbk', $path) .'/'.$file;
        if(is_dir($newpath)){
            $arr[] = blist($path."/".$file);
        }else if(is_file($newpath)){
            $arr[] = iconv('gbk','utf-8',$file);
        }
    }
    closedir($hd);
    return $arr;
}
/**by http://bbs.it-home.org
* 删除目录下的文件以及子目录
* #param  string $path 路径
* #return string 删除成功返回true 失败返回false;
*/
function dirDel($path){
    if(!is_dir($path)){
        throw new Exception($path."输入的不是有效目录");
    }
    $hand = opendir($path);
    while(($file = readdir($hand))!==false){
        if($file=="."||$file=="..")  continue;
        if(is_dir($path."/".$file)){
            dirDel($path."/".$file);
        }else{
            @unlink($path."/".$file);
        }
        
    }
    closedir($hand);
    @rmdir($path);
}
?>

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