pic _GET pic info getimagesize pic switch info mime case image jpeg im

$pic = $_GET['pic'];

$info = getimagesize($pic);
switch($info['mime'])
{
	case 'image/jpeg': $img = imagecreatefromjpeg($pic); break;
	case 'image/gif':  $img = imagecreatefromgif($pic);  break;
	case 'image/png':  $img = imagecreatefrompng($pic);  break;
	default:		   exit();     						 break;
}

#$W = $info[0];
#$H = $info[1];
#$T = $info['mime'];
$x = imagesx($img);
$y = imagesy($img);

$black = imagecolorallocate($img, 0, 0, 0);

imagettftext($img, 20, $x, $y, 0, $black, 'font.ttf', 'Copyright');

header('Content-Type: image/jpeg');
imagejpeg($img, 75);