$image = imagecreate(400,300);
$blue = imagecolorallocate($image, 0, 0, 255);
$white = ImageColorAllocate($image, 255,255,255);
$_GET['size'] = 44;
$_GET['text'] = "Hello, world!";
imagettftext($image, $_GET['size'], 15, 50, 200, $white,
"ARIAL", $_GET['text']);
header("content-type: image/png");
imagepng($image);
imagedestroy($image);
?>