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Editorial Team
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Asked: 2026-05-21T11:12:19+00:00

http://lv.php.net/manual/en/function.exif-imagetype.php Can anyone give some more information about the rest extension types. About these:

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http://lv.php.net/manual/en/function.exif-imagetype.php

Can anyone give some more information about the rest extension types.

About these:

IMAGETYPE_TIFF_II (intel byte order)
IMAGETYPE_TIFF_MM (motorola byte order)
IMAGETYPE_JPC
IMAGETYPE_JP2
IMAGETYPE_JPX
IMAGETYPE_JB2
IMAGETYPE_IFF
IMAGETYPE_WBMP
IMAGETYPE_XBM

From where do they all go?

It would be very good to know some numbers about % usage from overall uploaded images on some website if anyone knows as well.

Because currently i’m only using 1,2,3,6 exif numbers inside my uploader script.
I can’t figure out now if someone was trying to upload different extension. :S

Thanks 😉

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1 Answer

  1. Editorial Team

    TIFF is somewhat obsolete, but is a lossless compressed format that was hobbled with not having a standard byte order, so there’s Intel (little-endian) tiffs, and Motorola tiffs (big-endian).
    JB2 images are 1bit bitmaps used by fax machines.
    IFF comes from Amigas
    WBMP are Windows bitmaps (the stereotypical .bmp file)
    XBM are X-windows monochrome bitmaps
    JPC/JP2/JPX are JPEG-2000 images

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