Is there a way to make FPDF/FPDI or Zend_Pdf support the parsing of PDFs greater than 1.4?

Question

I am trying to add an existing PDF (created otherwise) to a PDF created with FPDF using FPDI. It seems to work find for most PDFs, but I get the following error:

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Answer 1

If you have Acrobat PDF writer, you can manipulate the job settings to make the PDF you are printing/savingAs to be compatible to PDF 1.4. For the tiny reason I need this product, it doesn't seem worth the 100 euros to get the commercial version that is compatible to versions greater than 1.4.