How to delete files based on path in php

藏色散人
Release: 2023-03-10 20:16:01
Original
1898 people have browsed it

php method to delete files based on path: 1. Delete folders and files under a path through the "function deleteDir($dir){...}" method; 2. Through the "function deldir($path) ){...}"delete.

How to delete files based on path in php

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

How does php delete files based on the path? PHP deletes a path Methods for all folders and files under

Function used:

scandir($path) Traverses all files in a folder and returns an array.

unlink($filename) Delete the file.

rmdir($path) Delete only empty folders

Code:

Delete a single file

$file = "./aa/aas.txt";
if (!unlink($file))
{
echo ("Error deleting $file");
}
else
{
echo ("Deleted $file");
}
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Delete all folders and files under a path Method 1

$path = "./aa";
function deleteDir($dir)
{
    if (!$handle = @opendir($dir)) {
        return false;
    }
    while (false !== ($file = readdir($handle))) {
        if ($file !== "." && $file !== "..") {       //排除当前目录与父级目录
            $file = $dir . '/' . $file;
            if (is_dir($file)) {
                deleteDir($file);
            } else {
                @unlink($file);
            }
        }
    }
    @rmdir($dir);
}
deleteDir($path);
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Method 2 to delete all folders and files under a path

//设置需要删除的文件夹
$path = "./aa";
//清空文件夹函数和清空文件夹后删除空文件夹函数的处理
function deldir($path){
   //如果是目录则继续
   if(is_dir($path)){
    //扫描一个文件夹内的所有文件夹和文件并返回数组
   $p = scandir($path);
   foreach($p as $val){
    //排除目录中的.和..
    if($val !="." && $val !=".."){
     //如果是目录则递归子目录,继续操作
    if(is_dir($path.'/'.$val)){
      //子目录中操作删除文件夹和文件
      deldir($path.'/'.$val);
      //目录清空后删除空文件夹
      @rmdir($path.'/'.$val);
    }else{
      //如果是文件直接删除
      unlink($path.'/'.$val);
    }
}
   }
}
  }
 //调用函数,传入路径
 deldir($path);
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