php删除上传的图片及文件夹

<?php

//2008-08-28
 $folder="D:\p8-server\wwwroot\\"."test\image";
 if( !file_exists( $folder ) )
 {
 if( !mkdir( $folder,777 ) )
 {
  echo "mkdir $folder (mode:777) error<br />";
 }
 else
 {
  echo "mkdir $folder (mode:777) okay<br />";
 }
 }

 $filename="aaa.jpg";
 $filepath=$folder . "\\" . $filename;
 if( !file_exists( $filepath ) )
 {
 die( "$filepath not exist<br />" );
 }
 else
 {
 echo "<img src=http://www.chinaz.com/program/2008/1112/\"$filepath\" alt=\"picture\" /><br />";
 echo "<p>deleting $filepath ......</p>";
 if( !unlink( $filepath ) )
 {
  echo "unlink $filepath error<br />";
 }
 else
 {
  echo "unlink $filepath okay<br />";
  if( !rmdir( $folder ) )
  {
   echo "rmdir $folder error<br />";
  }
  else
  {
   echo "rmdir $folder okay<br />";
  }
 }
 }
?>