fdf_enum_values
  (PHP 4 >= 4.3.0, PHP 5 < 5.3.0, PECL fdf SVN)
fdf_enum_values — Call a user defined function for each document value 
  
 
 
  Description
  
   fdf_enum_values(
resource $fdf_document, 
callable $function, 
mixed $userdata = ?): 
bool 
  WarningThis function is
currently not documented; only its argument list is available.