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Re: Ignoring Case on directories [message #171175 is a reply to message #171170] Tue, 28 December 2010 21:33 Go to previous messageGo to previous message
Robert Heller is currently offline  Robert Heller
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At Tue, 28 Dec 2010 12:33:10 -0800 (PST) jwcarlton <jwcarlton(at)gmail(dot)com> wrote:

>
> I think that the answer to this is "no", but I thought I'd ask :-)
>
> I'm wanting to open a file where the directory path is given by the
> user. For example:

Most web servers run on some flavor of UNIX and UNIX file/directory
names are case sensitive...

>
> if (is_file("/path/to/" . $_GET['directory'] . "/file.txt"))
> $example = FILE("/path/to/" . $_GET['directory'] . "/file.txt");
>
> else
> // return error
>
> // please ignore any typos; I just typed this up here for the example
>
> The thing is, the directory path could be, say, /path/to/SomeDirectory/
> file.txt, but the user could enter "somedirectory"; in which case,
> they would get the error.
>
> Currently, I keep all of the directory names in a MySQL database, then
> before opening file.txt, I search for the directory in MySQL (which is
> case insensitive), then load the path based on the name in the
> database instead of what's given. But during peak hours, this method
> can result in several hundred MySQL queries per minute.
>
> Before this, I just used opendir to load all of the directories into
> an array on the fly, then did a case insensitive search through the
> array. But, when I started having 90,000 directories (30,000 in 3
> separate parent directories), this was considerably slower than using
> MySQL.
>
> So, the MySQL search works, but the question is, can PHP do a
> directory lookup that's case insensitive; and, preferably, return the
> case-correct directory name?
>

--
Robert Heller -- 978-544-6933 / heller(at)deepsoft(dot)com
Deepwoods Software -- http://www.deepsoft.com/
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