$upload = new Upload($file);
$upload->image_resize = true;
$upload->image_ratio = true;
$upload->image_x = 150;     	  	
$upload->image_convert  = 'jpg';
$upload->jpeg_quality = 100;
$upload->file_overwrite = true;
$upload->auto_create_dir = true;
$upload->file_auto_rename = false;
$upload->file_new_name_body = 'screen_thumb_'.$id;
$upload->process($dir);

include('class.upload.php');

$foo  =  new  Upload($_FILES['afb1']);  
if  ($foo->uploaded)  {
   //  save  uploaded  image  with  a  new  name,
   //  resized  to  100px  wide
   $foo->file_new_name_body  =  'image_resized';
   $foo->image_resize  =  true;
   $foo->image_x  =  450;
   $foo->image_y  =  600;
   $foo->image_ratio  =  true;
   $foo->Process('/var/www/nl/domain/www/images/');
   if  ($foo->processed)  {
     echo  'image  resized';
     $foo->Clean();
   }  else  {
     echo  'error  :  '  .  $foo->error;
   }
}

if ($handle->uploaded) {
  $handle->file_new_name_body   = 'image_resized';
  $handle->image_resize         = true;
  $handle->image_x              = 640;
  $handle->image_ratio_y        = true;
  $handle->Process($image_folder);

  // we check if everything went OK
  if ($handle->processed) {
    // everything was fine !
    echo 'file uploaded with success';
    $info = getimagesize($handle->file_dst_pathname);
    echo '' . $info['mime'] . '  -  ' . $info[0] . ' x ' . $info[1] .'  -  ' . round(filesize($handle->file_dst_pathname)/256)/4 . 'KB';
    echo '  link to the file just uploaded: images/' . $handle->file_dst_name . '';
  } else {
    // one error occured
    echo 'file not uploaded to the wanted location';
    echo '  Error: ' . $handle->error . '';
  }

  // we delete the temporary files
  $handle-> Clean();

} else {
  // if we're here, the upload file failed for some reasons
  // i.e. the server didn't receive the file
  echo 'file not uploaded on the server';
  echo '  Error: ' . $handle->error . '';
}

$handle->image_resize = true;
if($handle->image_src_x > $handle->image_src_y){
  $handle->image_ratio_x = true;
  $handle->image_y = 240;
} else {
  $handle->image_ratio = true;
  $handle->image_x = 320;
}
$handle->Process(....);

$handle = new Upload($_FILES['Filedata']);
if ($handle->uploaded) {
    $handle->image_convert = 'jpg';
    // lets make some changes to the images (resize, etc)
    $handle->image_resize = true;
    $handle->image_ratio_y = true;
    $handle->image_ratio_no_zoom_in = true;
    // Lets create a thumbnail! First width then height
    if($handle->image_src_x > 75){
        $handle->image_x = 75;
    }
    if($handle->image_src_y > 100){
        $handle->image_y = 100;
    }
    // lets rename this file
    $newfile = "$handle->file_src_name_body" . time();
    $newfile_p	= md5($newfile);
    $newfile_tn	= "tn" . md5($newfile);
    $handle->file_new_name_body = "$newfile_tn";
    $handle->Process("images/v");
    $thumbnail = $handle->file_dst_name;
    // done creating a thumbnail

    //$handle-> Clean();
    // lets begin with the image
    $handle->image_resize = true;
    $handle->image_ratio_y = true;
    $handle->image_ratio_no_zoom_in = true;
    // is our image too large? Lets resize
    if($handle->image_src_x >= 604){
        $handle->image_x = 604;
    }	
    if($handle->image_src_y >= 453){ 
        $handle->image_y = 453;
    }
    // end changes
    $handle->file_new_name_body = "$newfile_p";
        
    $handle->Process("images/v");
    $handle->Clean();
}