zfcampus/zf-content-negotiation — pull request #3 by weierophinney (2013-12-17 21:20:27+00:00)
Title: Raise 400 for invalid JSON

Currently, if `json_decode` fails, no error is raised; `json_decode` simply returns `null`. We should detect if errors occurred, and, if so, raise a 400 status.