Add php-cs-fixer check

Author: Seldaek

.github/workflows/code-cov.yml

@@ -31,5 +31,3 @@ jobs:
 
       - name: "Run coverage"
         run: "composer coverage"
-
-

.github/workflows/style-check.yml

@@ -0,0 +1,33 @@
+name: "Style Check"
+
+on:
+  - push
+  - pull_request
+
+env:
+  COMPOSER_FLAGS: "--ansi --no-interaction --no-progress --prefer-dist"
+
+jobs:
+  tests:
+    name: "Style Check"
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v2"
+
+      - name: "Install PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          coverage: "none"
+          extensions: "intl, zip"
+          ini-values: "memory_limit=-1, phar.readonly=0, error_reporting=E_ALL, display_errors=On"
+          php-version: "7.4"
+          tools: composer
+
+      - name: "Update dependencies"
+        run: "composer update ${{ env.COMPOSER_FLAGS }}"
+
+      - name: "Run style-check"
+        run: "composer style-check"

.php_cs.dist

@@ -23,7 +23,8 @@ $config
         'pre_increment' => false,
         'increment_style' => false,
         'simplified_null_return' => false,
-        'trailing_comma_in_multiline_array' => false,
+        'single_line_throw' => false,
+        'trailing_comma_in_multiline' => false,
         'yoda_style' => false,
         'phpdoc_types_order' => array('null_adjustment' => 'none', 'sort_algorithm' => 'none'),
         'no_superfluous_phpdoc_tags' => false,

composer.json

@@ -32,7 +32,7 @@
         "icecave/parity": "1.0.0"
     },
     "require-dev": {
-        "friendsofphp/php-cs-fixer": "~2.2.20||~2.15.1",
+        "friendsofphp/php-cs-fixer": "~2.2.20 || ^2.15.1",
         "json-schema/json-schema-test-suite": "1.2.0",
         "phpunit/phpunit": "^4.8.35"
     },