<?php 
header ("Content-type: image/jpeg"); 

$hostname = 'Test';

$im = ImageCreateFromJPEG ('ub.jpeg'); 
$color = imagecolorallocate($im, 0, 0, 0);  
imagettftext($im, 10, 0, 15, 8, $color, visitor2.ttf,  $hostname); 
imagejpeg($im, NULL, 100); 
imagedestroy($im); 
?>