add more actions

.github/workflows/fixer.yml

@@ -0,0 +1,26 @@
+name: PHPStan
+
+on: [push, pull_request]
+
+jobs:
+  php-cs-fixer:
+    name: Code style (php-cs-fixer)
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 8.2
+          tools: composer:v2
+          coverage: none
+      - name: Install php-cs-fixer
+        run: composer global require friendsofphp/php-cs-fixer
+      - name: Run php-cs-fixer
+        run: $HOME/.composer/vendor/bin/php-cs-fixer fix --config=.php-cs-fixer.php
+      - name: Commit changes from php-cs-fixer
+        uses: EndBug/add-and-commit@v5
+        with:
+          author_name: "PHP CS Fixer"
+          author_email: "phpcsfixer@example.com"
+          message: Fix code style (php-cs-fixer)

.github/workflows/phpstan.yml

@@ -0,0 +1,27 @@
+name: PHPStan
+
+on: [push, pull_request]
+
+jobs:
+  phpstan:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: "8.2"
+
+      - name: Cache composer dependencies
+        uses: actions/cache@v4
+        with:
+          path: vendor
+          key: composer-${{ hashFiles('composer.lock') }}
+
+      - name: Run composer install
+        run: composer install -n --prefer-dist
+
+      - name: Run PHPStan
+        run: vendor/bin/phpstan analyse