add some phpcs fixes

Author: pfefferle

.github/workflows/phpcs.yml

@@ -0,0 +1,29 @@
+name: PHP_CodeSniffer
+on: push
+jobs:
+  phpcs:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '7.4'
+          coverage: none
+          tools: composer, cs2pr
+      - name: Get Composer cache directory
+        id: composer-cache
+        run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+      - name: Setup cache
+        uses: pat-s/always-upload-cache@v1.1.4
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          # Use the hash of composer.json as the key for your cache if you do not commit composer.lock.
+          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
+          #key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
+          restore-keys: ${{ runner.os }}-composer-
+      - name: Install dependencies
+        run: composer install --prefer-dist --no-progress
+      - name: Detect coding standard violations
+        run: ./vendor/bin/phpcs -n -q

composer.json

@@ -3,7 +3,7 @@
   "description": "NodeInfo and NodeInfo2 for WordPress!",
   "require": {
     "php": ">=5.6.0",
-    "composer/installers": "~1.0"
+    "composer/installers": "^1.0 || ^2.0"
   },
   "type": "wordpress-plugin",
   "license": "MIT",
@@ -17,7 +17,19 @@
     "installer-name": "nodeinfo"
   },
   "require-dev": {
-    "phpunit/phpunit": "5.5.*"
+    "phpunit/phpunit": "^5.7.21 || ^6.5 || ^7.5 || ^8",
+    "phpcompatibility/php-compatibility": "*",
+    "phpcompatibility/phpcompatibility-wp": "*",
+    "squizlabs/php_codesniffer": "3.*",
+    "wp-coding-standards/wpcs": "*",
+    "yoast/phpunit-polyfills": "^1.0",
+    "dealerdirect/phpcodesniffer-composer-installer": "^0.7.1"
+  },
+  "config": {
+    "allow-plugins": true
+  },
+  "allow-plugins": {
+    "composer/installers": true
   },
   "scripts": {
     "test": [

includes/class-nodeinfo.php

@@ -98,7 +98,7 @@ public function generate_metadata() {
 		$metadata['generator'] = array(
 			'name' => 'NodeInfo WordPress-Plugin',
 			'version' => nodeinfo_version(),
-			'repository' => 'https://github.com/pfefferle/wordpress-nodeinfo/'
+			'repository' => 'https://github.com/pfefferle/wordpress-nodeinfo/',
 		);
 
 		$this->metadata = apply_filters( 'nodeinfo_data_metadata', $metadata, $this->version );