Allow old PHP builds to fail

SMillerDev · SMillerDev · commit fbfbac08f69c · 2018-02-20T15:03:39.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -9,6 +9,7 @@ env: # important!
 matrix:
   allow_failures:
   - php: 5.6
+  - php: 7.0
   - php: nightly
 
 before_script:
