test against latest php versions

ramunasdronga · ramunasdronga · commit e8682c298f40 · 2018-12-27T23:43:03.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -3,6 +3,8 @@ php:
     - 5.6
     - 7.0
     - 7.1
+    - 7.2
+    - 7.3
 
 before_install:
     - sudo apt-get update > /dev/null
