XML Sorting using attributes - PHP

////////function for convert xml attributes into array/////////

function create_array($obj){
$arr = (array)$obj;
if(empty($arr)){
$arr = "";
} else {
foreach($arr as $key=>$value){
if(!is_scalar($value)){
$arr[$key] = create_array($value);
}
}
}
return $arr;
}

////////function for sort xml/////////

function subval_sort($a,$subkey) {
foreach($a as $k=>$v) {
$b[$k] = strtolower($v[$subkey]);
}
asort($b);
foreach($b as $key=>$val) {
$c[] = $a[$key];
}
return $c;
}

$xml = simplexml_load_file("sort.xml") or die ("Unable to load XML file!");

$temp = "";
foreach($test as $file)
{
$arr = create_array($file->attributes());
$arr = $arr['@attributes'];
$temp[] = $arr;
}

////////function for sort xml $temp=array() and second field for key for sorting/////////
$final = subval_sort($temp,'sort');

echo "

";
print_r($final);
echo "

";

?>

sample xml

 <?xml version="1.0" encoding="utf-8"?>
<gallery path="video">
<item thumbnail="" title = "" vid="" sort="1" />
<item thumbnail="" title = "" vid="" sort="2" />
<item thumbnail="" title = "" vid="" sort="3" />
<item thumbnail="" title = "" vid="" sort="4" />
<item thumbnail="" title = "" vid="" sort="5" />
<item thumbnail="" title = "" vid="" sort="6" />
</gallery>

PHP File Upload Functionality

function imageupload($photopath,$vphoto,$vphoto_name,$prefix)
{
$msg='';
if(is_file($vphoto) and !empty($vphoto_name))
{
// Remove Dots from File name
$tmp=explode(".",$vphoto_name);
for($i=0;$i {
$tmp1[]=$tmp[$i];
}
$file=implode("_",$tmp1);
$ext=$tmp[count($tmp)-1];

$vlfname = $file.".".$ext;
//--------------------------

if($ext =="jpg" || $ext =="jpeg" || $ext == "gif" || $ext == "png" || $ext =="JPG" || $ext =="JPEG" || $ext == "GIF" || $ext == "PNG")
{
$vphotofile=$prefix.$file."_".date("YmdHis").".".$ext;
$ftppath1 = $photopath.$vphotofile;
if(!copy($vphoto, $ftppath1))
{
$vphotofile = '';
// $msg=rawurlencode("Image Not Uploaded Successfully !!");
$msg = 0;
}
else
{
// $msg=rawurlencode("Image Uploaded Successfully !!");
$msg = 1;
}
}
else
{
$vphotofile = '';
//$msg="Image Type Is Not Valid !!!";
$msg = 2;
}
}
$ret[0] = $vphotofile;
$ret[1] = $msg;

return $ret;
}

$returnsfile = imageupload("Path For file Upload",$_FILES['Fileame']['tmp_name'],$_FILES['Fileame']['name'],"Prefix");