php删除目录的函数

实例应用做删除有文件目录的函数：
function scmulu($mlming)
{
 $dkml = opendir($mlming);
 readdir($dkml);
 readdir($dkml);
 while(($wj = readdir($dkml))!==false)
 {
  $wj = $mlming.DIRECTORY_SEPARATOR.$wj;
  if(is_dir($wj))
  {
   scmulu($wj);
  }else
  {
   if(unlink($wj))
   {
    echo "文件$wj删除成功
";
   }else
   {
    echo "文件$wj删除失败
";
   }
  }
 }
 closedir($dkml);
  if(rmdir($mlming))
  {
   echo "目录$mlming删除成功
";
  }else
  {
   echo "目录$mlming删除失败
";
  }
}