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If you are new to PHP or just need to refresh your skills, this is the place to start. This series of tutorials will give you the basic knowledge you will need to create a simple PHP website.

PHP is a reflective programming language originally designed for producing dynamic web pages.[1] PHP is used mainly in server-side scripting, but can be used from a command line interface or in standalone graphical applications. Textual User Interfaces can also be created using ncurses.

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fdf_save_string

(PHP 4 >= 4.3.0, PHP 5)

fdf_save_string -- Returns the FDF document as a string

Description

string fdf_save_string ( resource fdf_document )

Returns the FDF document as a string.

Parameters

fdf_document

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

Return Values

Returns the document as a string, or FALSE on error.

Examples

Example 1. Retrieving FDF as a string

<?php
$fdf = fdf_create();
fdf_set_value($fdf, "foo", "bar");
$str = fdf_save_string($fdf);
fdf_close($fdf);
echo $str;
?>

The above example will output:

%FDF-1.2
%âãÏÓ
1 0 obj
<<
/FDF << /Fields 2 0 R >>
>>
endobj
2 0 obj
[
<< /T (foo)/V (bar)>>
]
endobj
trailer
<<
/Root 1 0 R

>>
%%EOF

See Also

fdf_open_string()
fdf_close()
fdf_create()
fdf_save()

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Another Useful functions:


function.fdf-set-version | function.fdf-set-value | function.fdf-set-target-frame | function.fdf-set-submit-form-action | function.fdf-set-status | function.fdf-set-opt | function.fdf-set-on-import-javascript | function.fdf-set-javascript-action | function.fdf-set-flags | function.fdf-set-file | function.fdf-set-encoding | function.fdf-set-ap | function.fdf-save | function.fdf-save-string |


PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML. If you are new to PHP and want to get some idea of how it works, try the introductory tutorial. After that, check out the online manual, and the example archive sites and some of the other resources available in the links section.