问如何在PHP / HTML中将base64字符串（gif）解码为图像？

$data = "R0lGODdhAAGAAKIAAP38+/3h3cjN5P3HwgAAAP8AoP8AGv8EIywAAAAAAAGAAAAD.....";
echo base64_decode($data);

echo '<img src="data:image/gif;base64,' . base64_decode($data) . '" />';