View file mch-db_dv3.1/dl/cpre.php

<?php
include 'constant.php';
 $d = @opendir('small');
  while($f = @readdir($d)) {
  if($f != '.' && $f != '..') {
   if(time() - filectime('small/'.$f) > IMAGE_DELETE_SECONDS) {
  unlink('small/'.$f); }
  }
  } @closedir($f);
?>