Diff of PHP/JSON

• The added line is THIS COLOR.
• The deleted line is THIS COLOR.
• Go to PHP/JSON.

* JSON Scheme [#scheme]

- JSON SchemaとPHP
--  http://blog.tojiru.net/article/378812156.html
---   http://json-schema.org/documentation.html
---   https://github.com/justinrainbow/json-schema