Added PHP 7.2

Author: odan

.travis.yml

@@ -3,6 +3,7 @@ language: php
 php:
   - 7.0
   - 7.1
+  - 7.2
 
 # This triggers builds to run on the new TravisCI infrastructure.
 # See: http://docs.travis-ci.com/user/workers/container-based-infrastructure/