exercism/xphp — pull request #26 by Mezzle (2014-09-30 14:11:36+00:00)
Title: Assert Invalid Trinary *is* 0

http://exercism.io/submissions/60932f0152a3aeb60057bc0d

Related to the above nitpicking, I noticed the Trinary test was asserting that invalid trinary was equivalent to 0, not that it was 0.