<? 
$imgOld= imagecreatefromjpeg($_GET['oF']); 
$imageInfo = getimagesize($_GET['oF']); 
$width = $imageInfo[0]; 
$height = $imageInfo[1]; 
if($width >= $height) 
      { 
         $widthA  = 1200; 
         $scale   = 1200/$width; 
         $heightA = round($height * $scale); 
         $img = imagecreatetruecolor($widthA,$heightA); 
         imagecopyresized($img, $imgOld, 0,0, 0,0, $widthA,$heightA, ImageSX($imgOld),ImageSY($imgOld)); 
      } 
      else 
      { 
         $heightA  = 1200; 
         $scale    = 1200/$height; 
         $widthA   = round($width * $scale); 
         $img = imagecreatetruecolor($widthA,$heightA); 
         imagecopyresized($img, $imgOld, 0,0, 0,0, $widthA,$heightA, ImageSX($imgOld),ImageSY($imgOld)); 
      } 
header("Content-type: image/jpeg"); 
imagejpeg($img); 
?>