function rotate_image($stupen,$file){
$size = getimagesize($file);
    if($size[2] == IMAGETYPE_PNG){
                 $im = imagecreatefrompng($file);
                 $white = imagecolorallocate($im, 255, 255, 255);

                 $im = imagerotate($im, $stupen, $white);
                 imagepng($im, $file, 100);
    }
    if($size[2] == IMAGETYPE_JPEG){
              $im = imagecreatefromjpeg($file);
              $white = imagecolorallocate($im, 255, 255, 255);

                 $im = imagerotate($im, $stupen, $white);
                 imagejpeg($im, $file, 100);

    }
}