int fdf_create(void );The fdf_create() creates a new FDF document. This function is needed if one would like to populate input fields in a PDF document with data.
Example 1. Populating a PDF document <?php
$outfdf = fdf_create();
fdf_set_value($outfdf, "volume", $volume, 0);
fdf_set_file($outfdf, "http:/testfdf/resultlabel.pdf");
fdf_save($outfdf, "outtest.fdf");
fdf_close($outfdf);
Header("Content-type: application/vnd.fdf");
$fp = fopen("outtest.fdf", "r");
fpassthru($fp);
unlink("outtest.fdf");
?>
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See also fdf_close(), fdf_save(), fdf_open().