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I have a large PDF file that is a floor map for a building. It has layers for all the office furniture including text boxes of seat location.

My goal is to read this file with PHP, search the document for text layers, get their contents and coordinates in the file. This way I can map out seat locations -> x/y coordinates.

Is there any way to do this via PHP? (Or even Ruby or Python if that's what's necessary)



Check out FPDF (with FPDI):

These will let you open an pdf and add content to it in PHP. I'm guessing you can also use their functionality to search through the existing content for the values you need.

Another possible library is TCPDF:

Update to add a more modern library: PDF Parser

Friday, September 2, 2022

So far it's looking like this is my best bet:

Trying an eval copy of it, will update post with results.

Thursday, October 6, 2022


I looked in to this previously, I think you can use pdftk (a command line utility), to fill in a PDF form using FDF/XFDF data files, which you could easily generate from within PHP. That was the best option I've seen so far, though there may well be a native library.

pdftk is quite useful in general, worth having a look at.

Update: Have a look here:

Wednesday, November 23, 2022

This problem was with path to ghostscript. It's locate in "/usr/local/bin", but this path is not available to Apache. (phpinfo -> Apache Environment -> PATH)

Solution is to symlink file to another path:

 sudo ln -s /usr/local/bin/gs /usr/bin/gs

OS X El Capitan Note! /usr/bin/ in OS X 10.11+ is protected. You have to follow this steps:

1. Reboot to Recovery Mode. Reboot and hold "Cmd + R" after start sound.
2. In Recovery Mode go to Utilities -> Terminal.
3. Run: csrutil disable
4. Reboot in Normal Mode.
5. Do the "sudo ln -s /usr/local/bin/gs /usr/bin/gs" in terminal.
6. Do the 1 and 2 step. In terminal enable back csrutil by run: csrutil enable
Monday, September 26, 2022

Both filesize and readfile accepts files as arguments. You are providing a string instead of a file.

Please try this.

$CurlConnect = curl_init();
curl_setopt($CurlConnect, CURLOPT_URL, '');
curl_setopt($CurlConnect, CURLOPT_POST,   1);
curl_setopt($CurlConnect, CURLOPT_RETURNTRANSFER, 1 );
curl_setopt($CurlConnect, CURLOPT_POSTFIELDS, $request);
curl_setopt($CurlConnect, CURLOPT_USERPWD, $login.':'.$password);
$Result = curl_exec($CurlConnect);

header('Cache-Control: public'); 
header('Content-type: application/pdf');
header('Content-Disposition: attachment; filename="new.pdf"');
header('Content-Length: '.strlen($Result));
echo $Result;
Monday, August 1, 2022
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