<?php
  Header("Content-type: image/gif");
// $s is the font size in pixels
  if(!isset($_GET['s'])) {$s = 32;} else {$s = $_GET['s'];}
// $text is the text to display
  if(!isset($_GET['text'])) {$text = "PHP is cool!";} else {$text = $_GET['text'];}
// $f_path is the path to your font file
$f_path = "c:/windows/fonts/times.ttf";
  $size = imagettfbbox($s,0,$f_path,$text);
  $dx = abs($size[2]-$size[0]);
  $dy = abs($size[5]-$size[3]);
  $xpad=9;
  $ypad=9;
  $im = imagecreate($dx+$xpad,$dy+$ypad);
  $blue = ImageColorAllocate($im, 0x2c,0x6D,0xAF);
  $black = ImageColorAllocate($im, 0,0,0);
  $white = ImageColorAllocate($im, 255,255,255);
  ImageRectangle($im,0,0,$dx+$xpad-1,$dy+$ypad-1,$black);
  ImageRectangle($im,0,0,$dx+$xpad,$dy+$ypad,$white);
  ImageTTFText($im, $s, 0, (int)($xpad/2)+1, $dy+(int)($ypad/2), $black, "$f_path", $text);
  ImageTTFText($im, $s, 0, (int)($xpad/2), $dy+(int)($ypad/2)-1, $white, "$f_path", $text);
  ImageGif($im);
  ImageDestroy($im);
?>