What is the expected order of an array submitted in an HTML form?

Question

I\'m wondering if there is any sort of guarantee on the order of POST variables I will see on the server side.

My use case is I have a form that a user will fill out

Answer 1

What is the expected order of an array submitted in an HTML form?

According to the HTML specification:

The control names/values are listed in the order they appear in the document

http://www.w3.org/TR/html401/interact/forms.html#form-content-type

However, it's better coding practice to employ an indexed array approach as shown in prodigitalson's answer.