php创建文件夹

<script>ec(2);</script>

 function makeDirectory($directoryName) {
  $directoryName = str_replace("","/",$directoryName);
  $dirNames = explode('/', $directoryName);
  $total = count($dirNames) ;
  $temp = '';
  for($i=0; $i    $temp .= $dirNames[$i].'/';
   if (!is_dir($temp)) {
    $oldmask = umask(0);
    if (!mkdir($temp, 0777)) exit("不能建立目录 $temp");
    umask($oldmask);
   }
  }
  return true;
 }