Use travis

.circleci/config.yml

@@ -1,26 +0,0 @@
-# PHP CircleCI 2.0 configuration file
-#
-# Check https://circleci.com/docs/2.0/language-php/ for more details
-#
-version: 2
-jobs:
-  build:
-    docker:
-      - image: circleci/php:7.1-browsers
-    working_directory: ~/repo
-    steps:
-      - checkout
-      - restore_cache:
-          keys:
-          - v1-dependencies-{{ checksum "composer.json" }}
-          - v1-dependencies-
-      - run: composer install -n --prefer-dist
-      - save_cache:
-          paths:
-            - ./vendor
-          key: v1-dependencies-{{ checksum "composer.json" }}
-      - run: ./vendor/bin/phpunit --log-junit ~/phpunit/junit.xml
-      - store_test_results:
-          path: ~/phpunit
-      - store_artifacts:
-          path: ~/phpunit

.php_cs.dist

@@ -0,0 +1,11 @@
+<?php
+$finder = PhpCsFixer\Finder::create()
+    ->in(__DIR__);
+return PhpCsFixer\Config::create()
+    ->setRules([
+        '@PSR2' => true,
+        'array_syntax' => ['syntax' => 'short'],
+        'ordered_imports' => true,
+        'phpdoc_order' => true,
+    ])
+    ->setFinder($finder);

.travis.yml

@@ -0,0 +1,14 @@
+language: php
+
+php:
+  - 5.6
+  - 7.0
+  - 7.1
+  - 7.2
+
+before_script:
+  - composer install --dev --prefer-source --no-interaction
+
+script:
+  - vendor/bin/php-cs-fixer fix --dry-run
+  - vendor/bin/phpunit

composer.json

@@ -18,6 +18,7 @@
         "tightenco/collect": "^5.4"
     },
     "require-dev": {
+        "friendsofphp/php-cs-fixer": "^2.11",
         "phpunit/phpunit": "^5.7",
         "symfony/var-dumper": "^3.4"
     },