php upload แล้วย่อภาพมีปัญหาย่อภาพไม่ได้ งมมาหลายวันแล้วครับ

	$tempFile = $_FILES['Filedata']['tmp_name'];
	$targetPath = $_SERVER['DOCUMENT_ROOT'] . $_GET['folder'] . '/';
	$newFileName = $Thumb . $_FILES['Filedata']['name'];
	$newFileName2 = "Thumb_". $Thumb . $_FILES['Filedata']['name'];
	//$newFileName = $_GET['name'].$_FILES['Filedata']['name'];
	$targetFile =  str_replace('//','/',$targetPath) . $newFileName;
	$targetFile2 =  str_replace('//','/',$targetPath) . $newFileName2;
	// Uncomment the following line if you want to make the directory if it doesn't exist
	// mkdir(str_replace('//','/',$targetPath), 0755, true);

	
	if(move_uploaded_file($tempFile,$targetFile)){
	copy($tempFile,$targetFile);
list($w1,$h1) = getimagesize($targetFile);
$quality = 90;
$w2 = 100;
$h2 = 90;
$im = imagecreatetruecolor($w2+4,$h2+4);
$im1 = imagecreatefromjpeg($targetFile);
$dark = imagecolorallocate($im,185,185,185);
$light= imagecolorallocate($im,230,230,230);
$white = imagecolorallocate($im,254,254,254);
imagefilledrectangle($im,0,0,$w2+3,$h2+3,$white);
imagefilledrectangle($im,4,4,$w2+4,$h2+4,$light);
imagefilledrectangle($im,3,3,$w2+2,$h2+2,$dark);
imagecopyresampled($im,$im1,0,0,0,0,$w2,$h2,$w1,$h1);
imagejpeg($im,$targetFile2,$quality);
imagedestroy($im);
imagedestroy($im1);
	$sql="INSERT INTO `pic` (`num` ,`id` ,`title` ,`detail` ,`full` ,`resize` )VALUES (
			NULL , '$id', '$title', '$detail', '$newFileName2', '$newFileName');";
$catv = "";
$catv = $id;
$c->Q($sql);
}else{
echo "ERROR UP LOAD FILES";
}