Adding PhpStan

.github/workflows/php-stan.yml

@@ -0,0 +1,38 @@
+name: PHPStan
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  phpstan:
+    name: "Php-Stan"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Get composer cache directory
+        id: get-composer-cache-dir
+        run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+
+      - name: Setup PHP with tools
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: '7.4'
+          tools: phpstan
+
+      - name: Cache dependencies
+        uses: actions/cache@v2
+        with:
+          path: ${{ steps.get-composer-cache-dir.outputs.dir }}
+          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
+          restore-keys: ${{ runner.os }}-composer-
+
+      - name: Install dependencies
+        run: composer install --prefer-dist --no-progress --no-suggest
+
+      - name: Run PHPStan
+        run: phpstan analyse -c php-stan.neon

php-stan.neon

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+parameters:
+  scanDirectories:
+    - pgmetadata/
+  level: 0
+  ignoreErrors:
+  paths:
+    - pgmetadata/