problemiatica upload

[Leilond]

$filename = "123.jpg"; // questa la cambi con la tua
$noext = substr($filename,0,strrpos($filename,".")-1);
$ext = substr($filename,strrpos($filename,"."));
$index = 0;
$suffix = "";
if(file_exists($filename)
{
  $index = 1;
  while(file_exists($noext.$index.$ext))
    $index++;
}
if($index != 0)
{
  $suffix = $index;
  if($index < 10)
  {
    $suffix = "0".$index;
  }
  $suffix = "_".$suffix;
}
$newfilename = $noext.$suffix.$ext;