Adding PHP 7.1 to the build matrix

Author: Ocramius

.travis.yml

@@ -47,6 +47,15 @@ matrix:
     - php: 7
       env:
         - DEPS=latest
+    - php: 7.1
+      env:
+        - DEPS=lowest
+    - php: 7.1
+      env:
+        - DEPS=locked
+    - php: 7.1
+      env:
+        - DEPS=latest
     - php: hhvm
       env:
         - DEPS=lowest