update php version for travis

Igor Chepurnoy · Igor Chepurnoy · commit 3ce7d24e3bb3 · 2017-04-12T22:02:49.000+03:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,7 +1,7 @@
 language: php
 
 php:
-  - 7.0
+  - 7.1
 
 # faster builds on new travis setup not using sudo
 sudo: false
