[ka-Map-dev] problem in print_map.php on IE6

Lorenzo Becchi lorenzo at ominiverdi.com
Tue Jun 12 12:05:02 EDT 2007

Hi Jorge,
can you please make a patch with that code?

can you clean it up too?
Pragma definition is not the best test to public.

would be nice to have the feed back for Firefox and Safari too.


Jorge de Jesus wrote:
> Hi
> I have been working with Ka-Aqua for a project and I was using the
> print_map.php  to download some images, and for my big surprise it gave
> an error like this in IE6
> "Internet Explorer cannot download...cale12000000&output_type=JPEG"
> "Internet Explorer was not able to open this Internet site"
> I discovered that the header structure inside print_map.php wasn't the
> best, and searching on some forums and the PHP site I have found that
> this is the best solutution
> $mm_type="image".strtolower($_REQUEST['output_type']);
> $filename_ext=$oMap->name . ".".strtolower($_REQUEST['output_type']);
> //This is the Headers to force a browser to use fresh content (no
> caching) in HTTP/1.0 and HTTP/1.1:
> // \n necessary for IE 7
> header("Cache-Control: public, must-revalidate\n");
> header("Expires: Mon, 26 Jul 1997 05:00:00 GMT\n");
> header('Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT'.'\n');
> header("Cache-Control: no-store, no-cache, must-revalidate\n");
> header("Cache-Control: post-check=0, pre-check=0\n", false );
> header("Pragma: Internet Explorer is shitty\n"); //What the Fuck ?!
> header("Content-Type: " . $mm_type."\n");
> header("Content-Length: " .(string)(filesize($szImg))."\n");
> header('Content-Disposition: attachment; filename='.$filename_ext."\n");
> header("Content-Transfer-Encoding: binary\n");
> fpassthru($h);
> fclose($h);
> -The headers for what I read are prepared for non-cache in HTTP 1.0 and
> 1.1 and will work for IE, firefox and Opera
> -Without the Pragma: (something), IE will give the  error (explained
> above), I haven't found why, but is what people do
> - The \n is seems to be necessary for IE7 that needs a more tight header
> (but I haven't checked if it's true).
> I hope that this helped

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