# fdf_add_doc_javascript

(PHP 4 >= 4.3.0, PHP 5, PHP 7)

fdf_add_doc_javascript — Adds javascript code to the FDF document

### 说明

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

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.

### 参数

`fdf_document`

  The FDF document handle, returned by fdf_create(), fdf_open() or fdf_open_string().

`script_name`

  The script name.

`script_code`

  The script code. It is strongly suggested to use \r for linebreaks within the script code.

### 返回值

成功时返回 `TRUE`， 或者在失败时返回 `FALSE`。

### 范例

Example #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
    %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