JPEG MIME type issues

Original Message

Name: RTAdams89
Date: January 21, 2007 at 16:56:54 Pacific
Subject: JPEG MIME type issues
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Comment:

I have a PHP script that allows users to upload an image to a directory. Before allowing the upload it does a check of the MIME type to verify it is a JPEG image. I had it set to allow only 'image/jpeg' or 'image/pjpeg' files to be uploaded. When I tried to upload a test image from my computer it worked fine. However, from another computer, the same image would be blocked. I discovered this was because the image was being detected as a 'image/jpg'. Why would the same image be reported as 'image/jpg' from one computer and 'image/jpeg' from a different computer?
-Ryan Adams
http://members.cox.net/rtadams89/

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Response Number 1

Name: Michael J (by mjdamato)
Date: January 21, 2007 at 20:40:14 Pacific
Subject: JPEG MIME type issues

Reply: (edit)

I'm not sure, but you should be using mime types 'image/jpeg' and 'image/jpg' anyway. What the heck is 'image/pjpeg'? I've never seen that before?
Michael J

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Response Number 2

Name: RTAdams89
Date: January 22, 2007 at 05:08:20 Pacific
Subject: JPEG MIME type issues

Reply: (edit)

Apparently a "progressive jpeg".
-Ryan Adams
http://members.cox.net/rtadams89/

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