PHP - Forms Data Format Module

The fdf_add_doc_javascript() function can add javascript code to FDF document.

Syntax

bool fdf_add_doc_javascript	( resource $fdf_document , string $script_name , string $script_code )

The fdf_add_doc_javascript() function can add a script to the FDF, which Acrobat then adds to doc−level scripts of a document, once the FDF is imported into it.

The fdf_add_doc_javascript() function can return true on success, or false on failure.

Example

<?php
   $fdf = fdf_create();
   fdf_add_doc_javascript($fdf, "PlusOne", "function PlusOne(x)\r{\r  return x+1;\r}\r");
   fdf_save($fdf);
?>

Output

%FDF-1.2
%âãÏÓ
1 0 obj
<<
/FDF << /JavaScript << /Doc [ (PlusOne)(function PlusOne\(x\)\r{\r  return x+1;\r}\r)] > >>
>>
endobj
trailer
<<
/Root 1 0 R
>>
%%EOF