(PHP 4, PHP 5, PHP 7)
Set the value of a field
bool fdf_set_value ( resource $fdf_document, string $fieldname, mixed $value [, int $isName ] )
Sets the value for the given field.
Parameters:
fdf_document
The FDF document handle, returned by fdf_create(), fdf_open() or fdf_open_string().
fieldname
Name of the FDF field, as a string.