fdf_save_string

Returns the FDF document as a string (PHP 4 >= 4.3.0, PHP 5)
string fdf_save_string ( resource fdf_document )

The fdf_save_string() function returns the FDF document as a string.

例547.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;
?>

will output something like

%FDF-1.2
%
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_save(), fdf_open_string(), fdf_create() and fdf_close().