ลบFolder และไฟล์ทั้งทั้งหมดในFolder ครับ ช่วยหน่อยครับ

<?php  
$objConnect = mysql_connect("localhost","root","") or die("Error Connect to Database");
$objDB = mysql_select_db("test");

$strSQL = "DELETE FROM member ";
$strSQL .="WHERE Username = '".$_GET["CusID"]."' ";
$objQuery = mysql_query($strSQL);
$Username=$_GET["CusID"];


$dir=$Username;
 $path = 'Files/'.$Username; 


var_dump($dir);


function removeFolder($dir){ 
   if(!is_dir($dir))   
   return false;  
   for($s = DIRECTORY_SEPARATOR, $stack = array($dir), $emptyDirs = array($dir); $dir = array_pop($stack);){ 
   if(!($handle = @dir($dir))) 
   continue; 
   while(false !== $item = $handle->read()) 
     $item != '.' && $item != '..' && (is_dir($path = $handle->$path . $s . $item) ? 
     array_push($stack, $path) && array_push($emptyDirs, $path) : unlink($path)); 
     $handle->close(); 
  } 
  for($i = count($emptyDirs); $i--; rmdir($emptyDirs[$i])); 
} 








?>