Re: How reliable is mime type in $_FILES superglobal.
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Re: How reliable is mime type in $_FILES superglobal.

From: splodge <splodge@blurryfox.com>
Date: Mon Jan 30 2006 - 22:55:21 CET

NC wrote:
> splodge wrote:
>
>>I am working on a portal, part of which allows users to upload files.
>>Part of the array within $_FILES superglobal gives the mime type for the
>>file. Is this 100% reliable / accurate? If the mime type says the file
>>type is jpeg is it always right?
>
>
> It depends on your definition of "right"... If I understand correctly,
> MIME type is determined based on the file's extension.
>
> Cheers,
> NC
>

Thank you for the reply. So, what would happen if i took a file named
photo.jpg and changed its name to:

1. photo.xyz

2. photo.gif

Different types of files will require different types of processing so
it is very important that I can work out what the file type is.
Received on Tue Feb 7 21:08:00 2006