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imageresolution() allows to set and get the resolution of an image in DPI (dots per inch). If none of the optional parameters is given, the current resolution is For me getImageResolution() always returns X and Y resolution in pixels per centimeter, no matter if I set it with setImageUnits() or not. So an easy way to This method uses the "convert -density {$x_resolution}x{$y_resolution}" parameter. However be aware, that Imagick::setResolution() is much more alike the You'll have to do this once it has been submitted. Check out the getimagesize function in PHP - php.net/manual/en/function.getimagesize.php It's too late for me to check now but I think you're looking for I don't think this is possible with GD, I believe it "converts" all images to 72 DPIs. Try like this: list($width, $height) = getimagesize('path_to_image');. Make sure that: . How to Show Image Resolution to from its URL · -1. You can go for some image libraries for that. Eg: Imagick, GD Library (OR). You can Autor was asking of DPI not image resolution. I'm processing images when the user uploads a pic but my problem is There is no such thing as PPI as far as you need to be concerned. Also The getimagesize() function will determine the size of any supported given image file and return the dimensions along with the file type and a height/width text Make sure you validate any user input; the file should be OK as if it is not an image file the code will fail. Code: Select all <?php // If the form has
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