Description
bool 
fdf_add_doc_javascript ( resource fdfdoc, string script_name, string script_code)
   Adds a script to the FDF, which Acrobat then adds to the doc-level
   scripts of a document, once the FDF is imported into it. It is strongly
   suggested to use '\r' for linebreaks within script_code.
  
   
例子 1. Adding JavaScript code to a FDF 
<?php $fdf = fdf_create(); fdf_add_doc_javascript($fdf, "PlusOne", "function PlusOne(x)\r{\r  return x+1;\r}\r"); fdf_save($fdf); ?>
 |  
 will create a FDF like this: %FDF-1.2
%忏嫌
1 0 obj
<< 
/FDF << /JavaScript << /Doc [ (PlusOne)(function PlusOne\(x\)\r{\r  return x+1;\r}\r)] >> >> 
>> 
endobj
trailer
<<
/Root 1 0 R 
>>
%%EOF |  
  |