Run PHPStan on GitHub Actions

Author: matsuo

.github/workflows/phpstan.yml

@@ -0,0 +1,42 @@
+name: run-phpstan
+
+on:
+  push:
+    branches:
+      - "*"
+  pull_request:
+    branches: [ 'master', 'main' ]
+
+jobs:
+  run:
+    name: Run PHPStan
+    runs-on: 'ubuntu-latest'
+    strategy:
+      matrix:
+        level: [ 0, 1, 2 ]
+        include:
+          - current-level: 0
+    steps:
+      - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9 # v3.5.3
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@72ae4ccbe57f82bbe08411e84e2130bd4ba1c10f # v2.25.5
+        with:
+          php-version: '8.1'
+
+      - name: Install PHPStan
+        run: composer require --dev phpstan/phpstan
+
+      - name: Run PHPStan
+        if:  matrix.level == matrix.current-level
+        continue-on-error: true
+        run: |
+             ./vendor/bin/phpstan analyse -l "${{ matrix.level }}" --memory-limit 128M src test
+             exit 0
+
+      - name: Run PHPStan
+        if:  matrix.level > matrix.current-level
+        continue-on-error: true
+        run: |
+             ./vendor/bin/phpstan analyse -l "${{ matrix.level }}" --memory-limit 128M src test
+             exit 0

composer.json

@@ -16,7 +16,8 @@
   },
   "require-dev": {
     "phpunit/phpunit": "*",
-    "phpdocumentor/phpdocumentor": ">=3"
+    "phpdocumentor/phpdocumentor": ">=3",
+    "phpstan/phpstan": "^1.10"
   },
   "autoload": {
     "psr-4": {