Someone

$filename = $photo_dir.'/'.substr($atn, 4).'.jpg';
header('Content-type: image/jpeg');
$nw = 50;
$nh = 50;
$pw = 350;
$ph = 437;
$image_p = imagecreatetruecolor($nw, $nh);
$image = imagecreatefromjpeg($filename);
imagecopyresampled($image_p, $image, 0, 0, 0, 0, $nw, $nh, $pw, $ph);
imagejpeg($image_p, null, 100);