Convert pdf form to nice and smooth working php form and sending it secure

If you have an better idea of sending form data secure to an email, please be my guest to offer the better solution then below. Convert attached pdf to nice modern looking interactive php form (working nice on ipad/touch and computer screen) with validation, send results in pdf format with some extra information in email. pdf name is name user. Send the pdf in a password protected random name zip to fixed email adres. Interactive modifications needed that are different than the looks of the pdf form, attachment: First question should be how many do you sign up: if the answer is 2 for an example, after completing the first form, a second form is needed, with some information allready filled in (like “dutch” adres, postcode woonplaats, email (address, postal code, place, etc) When an bold question (main question) is answered yes, the subvalues should be shown, otherwise they should be hidden) An answer has an hidden value, I,II, III, IV, and V (will send them you later) No information may be stored on server permanently (in a file or mysql)