On 29-08-2012 19:28, admin wrote:
From: Matijn Woudt [mailto:tijn...@gmail.com]
Sent: Tuesday, August 28, 2012 3:55 PM
Subject: Re: [PHP] PHP to XLS Security Alert issue
I believe that's normal, and that it does that with any document downloaded
from the web.
I'm not sure if there's a workaround, but you should not ask that here but on a
Microsoft Office forum/list, or just ask the question to Microsoft themselves.
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I understand YOU believe this is normal.
I am sorry you feel that way because the construction of the document is
exactly where the problem was resolved, and that is in PHP.
So asking in the PHP-List was the exact the place to post a question of
document construction using PHP. Yes understanding the document verification
methods of Microsoft helps but it is up to the DEVELOPER to put the correct
headers and content strings to make the document valid and that is what I was
Q: I am exporting to a XLS file and the file does export, but when I open the
file Microsoft is giving a Excel Security Notice. I am sure there is something
in the header that is missing or causing this problem?
Regardless of the fact if it was produced using PHP, ASP, C or using a
plain text editor, the point is still that there is apparently a
"problem" with the file itself. The easiest solution would still be to
ask, as Matijn suggested, the people from Microsoft Office. Since they
are the developers/users of the software, they will know what causes
that problem, and will be able to better help you than asking on this
list where people are less likely to know exactly what the cause is of
As a metaphor: If I build a building out of steel, and all buildings in
the area start to collapse because the ground sags, I wouldn't ask a
steel-merchant for help, but rather someone who knows a lot about
And no, I don't know what exactly causes that warning: ask people who
have a more intimate knowledge of Excel.
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