<?php
header("Content-type: image/png");
$im = @imagecreate(480, 35)
    or die("Cannot Initialize new GD image stream");
$white = imagecolorallocate($im, 255, 255, 255);
$black = imagecolorallocate($im, 0, 0, 0);

$text = $_GET['text'];
$font_name = $_GET['font'];
$ext = $_GET['ext'];

$font = "./fonts/$font_name.$ext";
imagettftext($im, 20, 0, 11, 28, $black, $font, $text);

imagepng($im);
imagedestroy($im);
?>