add nightly (7.2) in travis and allow failure for hhvm (which already fails)

remicollet · remicollet · commit 750fe478a6d3 · 2017-06-27T08:24:48.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -7,8 +7,13 @@ php:
   - 5.6
   - 7.0
   - 7.1
+  - nightly
   - hhvm
 
+matrix:
+    allow_failures:
+        - php: hhvm
+
 before_script:
   - composer install --no-interaction
 
