Posted by Jochem Maas on 11/30/05 11:29

Karuna wrote:
> Hi. Is possible to calculate the filesize of image that will result from
> using imagejpeg without actually writing to disk?
>
> Thanks :)
>

something like (although its not very efficient, I think):

ob_start();
image_jpeg($im); // $im is an GD resource
$data = ob_get_contents();
ob_end_clean;

$byteCount = strlen($data);

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