(PHP 4, PHP 5, PHP 7)
fdf_save — Save a FDF document
$fdf_document
[, string $filename
] )Saves a FDF document.
fdf_documentThe FDF document handle, returned by fdf_create(), fdf_open() or fdf_open_string().
filenameIf provided, the resulting FDF will be written in this parameter. Otherwise, this function will write the FDF to the default PHP output stream.
Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.