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How do I find the dpi of an image?

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#1 John551

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Posted 30 August 2006 - 06:43 AM

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

#2 litebearer

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Posted 30 August 2006 - 11:52 AM

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



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