Use Standard Nextcloud Coding Style for PHP

Signed-off-by: Georg Ehrke <developer@georgehrke.com>

.github/workflows/lint.yml

@@ -52,3 +52,19 @@ jobs:
         run: npm run lint
     env:
       CI: true
+
+  php-cs-fixer:
+    name: php-cs check
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@master
+      - name: Set up php
+        uses: shivammathur/setup-php@master
+        with:
+          php-version: 7.4
+          coverage: none
+      - name: Install dependencies
+        run: composer i
+      - name: Run coding standards check
+        run: composer run cs:check || ( echo 'Please run `composer run cs:fix` to format your code' && exit 1 )

.gitignore

@@ -92,6 +92,7 @@ CVS/*
 RCS/*
 
 /.project
+.php_cs.cache
 
 coverage/
 

.php_cs.dist

@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+require_once './vendor/autoload.php';
+
+use Nextcloud\CodingStandard\Config;
+
+$config = new Config();
+$config
+	->getFinder()
+	->ignoreVCSIgnored(true)
+	->notPath('build')
+	->notPath('vendor')
+	->in(__DIR__);
+return $config;

composer.json

@@ -5,7 +5,8 @@
         }
     },
     "require": {
-        "php": ">=7.2"
+        "php": ">=7.2",
+        "nextcloud/coding-standard": "^0.3.0"
     },
     "require-dev": {
         "christophwurst/nextcloud": "v18.0.2",
@@ -13,6 +14,8 @@
         "phan/phan": "^2.0"
     },
     "scripts": {
+        "cs:fix": "php-cs-fixer fix",
+        "cs:check": "php-cs-fixer fix --dry-run",
         "lint": "find . -name \\*.php -not -path './vendor/*' -exec php -l \"{}\" \\;",
         "phan": "phan --allow-polyfill-parser -k .phan/config.php",
         "test": "phpunit --configuration phpunit.unit.xml --fail-on-warning"