Bucket/phpstan and fixes

.github/workflows/phpstan.yml

@@ -0,0 +1,47 @@
+name: 'PHPStan Tests'
+on:
+  pull_request:
+    paths:
+      - 'src/**.php'
+      - '*.php'
+jobs:
+  phpstan:
+    strategy:
+      matrix:
+        phpVersion: [
+            "7.4",
+            "8.0",
+            "8.1",
+            "8.2",
+            "8.3",
+        ]
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 1000
+          submodules: recursive
+      # ------------------------------------------------------------------------------
+      # Set up PHP and run phpstan
+      # ------------------------------------------------------------------------------
+      - name: Configure PHP environment to run phpstan
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.phpVersion }}
+      # ------------------------------------------------------------------------------
+      # Override composer php version
+      # ------------------------------------------------------------------------------
+      - name: Set php version ${{ matrix.phpVersion }} in composer
+        run: composer config platform.php ${{ matrix.phpVersion }}
+      # ------------------------------------------------------------------------------
+      # Install dependencies - ignoring php requirements
+      # ------------------------------------------------------------------------------
+      - name: Install dependencies
+        run: composer i --ignore-platform-req=php+
+      # ------------------------------------------------------------------------------
+      # Run phpstan
+      # ------------------------------------------------------------------------------
+      - name: Run phpstan
+        run: ./vendor/bin/phpstan analyse --error-format=table
+

composer.json

@@ -40,8 +40,12 @@
     "lucatume/codeception-snapshot-assertions": "^0.2.4",
     "lucatume/function-mocker-le": "^1.0",
     "lucatume/wp-browser": "^3.0.14",
+    "phpstan/extension-installer": "^1.3",
+    "phpstan/phpstan-deprecation-rules": "^1.1",
+    "phpstan/phpstan": "^1.10",
     "phpunit/phpunit": "~6.0",
-    "stellarwp/coding-standards": "2.0",
+    "stellarwp/coding-standards": "dev-main",
+    "szepeviktor/phpstan-wordpress": "*",
     "the-events-calendar/tec-testing-facilities": "dev-master",
     "wp-cli/checksum-command": "1.0.5",
     "wp-coding-standards/wpcs": "^3.0"