Merge pull request #67 from prooph/php72

test php 7.2

Author: prolic

.travis.yml

@@ -10,6 +10,13 @@ matrix:
     - php: 7.1
       env:
         - DEPENDENCIES="--prefer-lowest --prefer-stable"
+    - php: 7.2
+      env:
+        - DEPENDENCIES=""
+    - php: 7.2
+      env:
+        - DEPENDENCIES="--prefer-lowest --prefer-stable"
+
 
 cache:
   directories:

composer.json

@@ -28,7 +28,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^6.0",
-        "prooph/php-cs-fixer-config": "^0.1.1",
+        "prooph/php-cs-fixer-config": "^0.2",
         "satooshi/php-coveralls": "^1.0",
         "prooph/bookdown-template": "^0.2.3",
         "malukenho/docheader": "^0.1.4"