fdf_save_string Returns the FDF document as a string stringfdf_save_string resourcefdf_document The fdf_save_string function returns the FDF document as a string. ]]> will output something like > >> 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.