How to pass an array within a query string?

Is there a standard way of passing an array through a query string? To be clear, I have a query string with multiple values, one of which would be an array value. I want that query string value to be treated as an array- I don't want the array to be exploded so that it is indistinguishable from the other query string variables. Also, according to this post answer, the author suggests that query st