fdf_get_opt

PHP 4 >= 4.3.0, PHP 5 < 5.3.0, PECLv
fdf_get_opt - Gets a value from the opt array of a field
Manual

fdf_get_opt( resource$fdf_document, string$fieldname, [int$element = -1] ): mixed
Warning:

This function is currently not documented; only its argument list is available.