clue/php-json-query — pull request #10 by clue (2014-12-03 18:15:09+00:00)
Title: Add new $contains comparator from spec v0.4

Spec v0.4 now defines a new `$contains` comparator: https://github.com/clue/json-query-language/blob/master/SYNTAX.md#contains-comparator

This PR supersedes and closes PR #6.