Add some optimistic PHP versions

rowan-m · rowan-m · commit 4beb1366e86e · 2019-05-24T12:32:11.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -9,6 +9,8 @@ php:
   - '5.6'
   - '7.0'
   - '7.1'
+  - '7.2'
+  - '7.3'
 
 before_script:
   - composer install
