An example of PHP code to delete all files in a directory N days ago

Let me introduce to you a php code that can delete all files in a specified directory N days ago. Friends in need can refer to it.

The code is as follows:

<?php
/**
 * 删除目录下N天前所有文件
 * by http://bbs.it-home.org
*/
 function delfile($dir,$n) //删除DIR路径下N天前创建的所有文件;  
 {  
 if(is_dir($dir))  
   {  
  if($dh=opendir($dir))  
    {  
  while (false !== ($file = readdir($dh)))   
  {  
   if($file!="." && $file!="..")   
   {  
     $fullpath=$dir."/".$file;  
     if(!is_dir($fullpath))   
     {     
   $filedate=date("Y-m-d", filemtime($fullpath));   
   $d1=strtotime(date("Y-m-d"));  
   $d2=strtotime($filedate);  
   $Days=round(($d1-$d2)/3600/24);   
   if($Days>$n)  
   unlink($fullpath);  ////删除文件  
   
    }  
   }  
  }  
    }  
    closedir($dh);   
  }  
 }  
?>

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