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Posted by Janwillem Borleffs on 05/28/05 23:26
MS wrote:
> Warning: chmod(): Operation not permitted in
> /home/mysite/public_html/test/admin/php-bin/create_test.php on line 13
>
> my question is.. for what reason is the chmod operation not permitted?
>
The chmod operation can only be executed by the owner of the file or when
the original permissions allow it (which usually means that the files should
have a 777 permission already).
So, when you upload a file to a server, you will be the owner and the file
permissions are set to 644 by default (read-write/read/read) and only you
are allowed to modify it. If you want your script to be able to manipulate
files on your web server, these files should have a 777 permission, after
which chmod will work fine.
Of course this isn't very safe and it's wise to limit 777 file permissions
in a designated directory only.
BTW, this doesn't apply to files which are uploaded through a PHP script, as
these files will be owned by your web server.
JW
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