Filling PDF Forms with PHP [closed]

The libraries and frameworks mentioned here are good, but if all you want to do is fill in a form and flatten it, I recommend the command line tool called pdftk (PDF Toolkit).

See https://www.pdflabs.com/tools/pdftk-the-pdf-toolkit/

You can call the command line from php, and the command is

pdftk formfile.pdf fill_form fieldinfo.fdf output outputfile.pdf flatten

You will need to find the format of an FDF file in order to generate the info to fill in the fields. Here’s a good link for that:

http://www.tgreer.com/fdfServe.html

[Edit: The above link seems to be out of commission. Here is some more info…]

The pdftk command can generate an FDF file from a PDF form file. You can then use the generated FDF file as a sample. The form fields are the portion of the FDF file that looks like

...
<< /T(f1-1) /V(text of field) >>
<< /T(f1-2) /V(text of another field) >>
...

You might also check out php-pdftk, which is a library specific to PHP. I have not used it, but commenter Álvaro (below) recommends it.

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