explicitly include php 7.2

Stephan Wentz · Stephan Wentz · commit 7c1ea262742f · 2017-12-19T14:02:12.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -2,6 +2,7 @@ language: php
 
 php:
   - 7.1
+  - 7.2
   - nightly
 
 matrix:

-Original file line number
+Diff line change
 php:
   - 7.1
 +  - 7.2
   - nightly
 matrix: