encode

Encodes the given field names and values into a value of type "application/x-www-form-urlencoded".

Encodes as defined in the HTML 4.01 spec.

This method requires you to know the names of the form fields (or at the very least, the total number of fields) at compile time; for working with dynamic forms, use [func@form_encode_hash] or [func@form_encode_datalist].

See also: [ctor@Message.new_from_encoded_form].

Parameters:

...	value of first_field, followed by additional field names and values, terminated by null.
first_field	name of the first form field

Returns:

the encoded form