> On Sun, 2008-04-20 at 15:52 +0200, rb wrote:
>> I'm getting from an external source a PNG image in raw format (encoded in
>> base64).
>>
>> And with this code I'll echo on the screen.
>>
>> ------
>> $img=base64_decode($_POST['img']);
>>
>> header("Content-type: image/png");
>> echo $img;
>> ------
>
> A quick way would be to try and make an image with the GD library.
> Something like:
> if (imagecreatefromstring($img)) {
> header("Content-type:image/png");
> echo $img;
> }

Perhaps check the image header matches the correct format for a PNG image.

--
Richard Heyes

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