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Find out Width and Height of a given PDF file

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#1 pranaysharmadelhi

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Posted 24 November 2008 - 06:45 PM

I am working on a project which requires the following:
User uploads a pdf file(through basic php form)
pdf is stored temporarily and the Width/Height of the pdf is checked against a matrix in database and a price is calculated and the user is sent to shopping cart for printing.
I have tried fpdi with FPDF and TCPDF but both of them require me to enter a value for a new PDF and then import an existing PDF.  ???
I am having hard time finding out how to find out widht/height of the imported pdf and also how many pages exists.
Any help would be greatly appreciated.


#2 jwilliam

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Posted 24 November 2008 - 07:18 PM

This is the way I do it, but you'll need to be on a linux server with Image Magick installed:

$command = escapeshellcmd('identify -format "%wx%h" ' . $path_to_pdf) . '[0]';
$geometry = `$command`;
list($width, $height) = split("x", $geometry);

Then you can access the dimensions through $width and $height.

#3 Mchl

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Posted 24 November 2008 - 07:34 PM

Correct if I'm wrong, but every page in PDF file can have different dimensions, so you will need to get all of them.
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