added php7.2 in travis

oscarotero · oscarotero · commit 88f393fd8be4 · 2018-01-11T23:09:33.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -6,6 +6,7 @@ php:
   - 5.6
   - 7.0
   - 7.1
+  - 7.2
 
 before_install:
   - composer install
