<?php
header('Content-Type: image/png');  
header('charset=UTF-8');
(string) $text = (string) strtolower($_GET['t']);
if( $text == 'Über' )
{
	$text = 'über';	
}
$x = 150; //Breite 
$y = 25; //Höhe
$font = 'ad/UniversLTStd-UltraCn.ttf'; 
$img = imagecreate($x, $y);
$bg = imagecolorallocate($img, 31, 45, 69);  //Hintergrund
imagecolortransparent($img, $bg);
$b_color = imagecolorallocate($img, 72, 183, 228); //Schrift
imagettftext($img, 16, 0, 5, 20, $b_color, $font, $text); 
imagepng($img); 
imagedestroy($img);
?>