On Sun, 13 Jul 2003 13:32:00 -0400, you wrote:

>The upload process, already collects info on file types when you upload.
> From the manual ->
>
>> $_FILES['userfile']['type']
>>
>>     The mime type of the file, if the browser provided this
>>     information. An example would be "image/gif".
>>
>So,  check $_FILES['userfile']['type'] against a set of allowed file 
>types, and you're set...

A client-supplied value isn't going to be too useful - it can be spoofed, or
may not be present. (I believe a Windows browser would set the mime-type
based purely on the file extension, though I haven't tested this myself).

>Marek Kilimajer wrote:
>
>> If you have compiled php with --enable-mime-magic, you can use 
>> mime_content_type()

This is the most-benefit least-effort choice if it's available, though I
believe that flag has been changed since 4.32[?]


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