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John551

How do I find the dpi of an image?

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I am building an image library.  I need to restrict the images uploaded on the basis of [b] DPI[/b]. Can anybody have any idea how to find the dpi of an image using php?

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Might take a look here (dpi=image resolution)...

http://mike.nux.co.uk/ImageInformation/get_imgsize.inc

Lite...

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