phoenixframework/phoenix — pull request #162 by hamiltop (2014-07-08 17:34:04+00:00)
Title: When json is an array, add to params under _json

Currently we have an issue when we try to merge an array from the request body and the map from the query params. Following the example at: https://github.com/rails/rails/blob/f6746c024531740900d79236944ce11c65608cde/actionpack/lib/action_dispatch/middleware/params_parser.rb#L45