图像生成：

<?PHP
$img = imagecreatetruecolor(158,72);
imagesavealpha($img,true);

$bg = imagecolorallocatealpha($img,127);
$black = imagecolorallocate($img,0);
imagefill($img,$bg);

$text = "testar text"; // - was attempt at no aa,like example
imagettftext($img,24,36,-($black),'Ubuntu-M',$text);
$text = "med text";
imagefttext($img,12,72,$black,$text);

imagepng($img,'test.png');
imagedestroy($img);
?>

输出：