refactor github workflow config

Author: gregor-j

.github/workflows/main.yml

@@ -0,0 +1,81 @@
+name: "CI"
+# Controls when the action will run.
+on:
+  # Triggers the workflow on push or pull request events but only for the main branch
+  push:
+  pull_request:
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+permissions:
+  contents: "read"
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # composer validation
+  composer:
+    name: "composer config validation"
+    runs-on: "ubuntu-latest"
+    steps:
+      - uses: "actions/checkout@v3"
+      - name: "Validate composer.json"
+        run: "composer validate --strict"
+  # PHP lint and PHPStan for different PHP versions
+  php:
+    runs-on: "ubuntu-latest"
+    strategy:
+      matrix:
+        php-version:
+          - "8.1"
+          - "8.2"
+          - "8.3"
+    name: "PHP ${{ matrix.php-version }}"
+    steps:
+      - name: "git checkout"
+        uses: "actions/checkout@v3"
+      - name: "setup PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "${{ matrix.php-version }}"
+          coverage: "xdebug"
+      - name: "check PHP version"
+        run: "php -v"
+      - name: "lint PHP files"
+        run: "php -l src/ tests/"
+      - name: "install composer dependencies"
+        run: "composer install --prefer-dist --no-progress"
+      # PHPStan
+      - name: "PHPStan static analysis"
+        uses: "php-actions/phpstan@v3"
+        with:
+          php_version: "${{ matrix.php-version }}"
+          configuration: "phpstan.neon"
+          path: "src/ tests/"
+  # run unit tests
+  phpunit:
+    runs-on: "ubuntu-latest"
+    env:
+      CC_TEST_REPORTER_ID: "a8cbf54ef2884175dc3bb747b33c826351d3a2d758f9145a5eeac97e48b36a34"
+    name: "PHPUnit"
+    steps:
+      - name: "git checkout"
+        uses: "actions/checkout@v3"
+      - name: "setup PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "8.1"
+          coverage: "xdebug"
+      - name: "check PHP version"
+        run: "php -v"
+      - name: "install composer dependencies"
+        run: "composer install --prefer-dist --no-progress"
+      - name: "CodeClimate reporter setup"
+        run: |
+          curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
+          chmod +x ./cc-test-reporter
+          ./cc-test-reporter before-build
+      - name: "run PHPUnit"
+        run: |
+          php vendor/bin/phpunit --coverage-clover clover.xml --coverage-text
+          ./cc-test-reporter after-build -t clover --exit-code $?