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

$im = imagecreatetruecolor(550, 70);
$colour = imagecolorallocate($im, 224, 223, 238);
imagefill($im, 0, 0, $colour);

$fontfile = "/var/www/arslanbar/2/fonts/DejaVuSans.ttf" ;
$colour = imagecolorallocate($im, mt_rand(0, 100), mt_rand(50, 150), mt_rand(100, 200));
imagettftext($im, 35, 0, 4, 38, $colour, $fontfile, "Which is the best one?");

$fontfile = "/var/www/arslanbar/2/fonts/showg.ttf" ;
$colour = imagecolorallocate($im, mt_rand(0, 100), mt_rand(50, 150), mt_rand(100, 200));
imagettftext($im, 22, 0, 4, 65, $colour, $fontfile, "Do you think they are important?");

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

无需打开字体文件，只需指定文件路径。

文字颜色是随机生成的！

文档：
http://php.net/manual/en/function.imagettftext.php