Get information who sign document in PHP

Question

I have an application created in PHP. I create PDF documents using the TCPDF library with an embedded signature field inside the document using a digital ID or qualified signature. Everything works perfectly. The next step in creating the application is that I want to use PHP to extract information from the signed file about who signed the document. I found information about Adobe SDK on the Internet. Is it possible to extract the information I am interested in using PHP using this tool?

Karl Heinz Kremer · Answer

The Acrobat SDK requires Adobe Acrobat to be installed, and Acrobat is not licensed for use on a server (besides the technical limitations that would not allow it to run on a server). Adobe has a PDF Library, that would allow you to access PDF files on a server. You can find out more about the PDFL here: https://www.datalogics.com/capterra

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