check-code-style.yml

name: Check Code Style

on: push

jobs:
  php-cs:
    runs-on: ubuntu-latest
    needs: what-has-changed
    # Run only if PHP files have changed
    if: ${{ needs.what-has-changed.outputs.php == 'true' }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Cache dependencies
        uses: actions/cache@v3
        with:
          path: ~/.composer/cache/files
          key: dependencies-composer-${{ hashFiles('composer.json') }}

      - name: Setup PHP
        uses: shivammathur/setup-php@v2
        with:
          php-version: 8.1
          extensions: simplexml, tokenizer, xmlwriter
          coverage: none

      - name: Install dependencies
        run: composer update --prefer-dist --no-interaction --no-suggest
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Execute tests
        run:  ./vendor/bin/phpcs

  # Job to check if certain files have changed
  what-has-changed:
    name: Detect file changes
    runs-on: ubuntu-latest
    outputs:
      php: ${{ steps.filter.outputs.php }}
    steps:
      - name: Checkout
        uses: actions/checkout@v3
        # For pull requests it's not necessary to checkout the code
        if: ${{ github.event_name != 'pull_request' }}

      - uses: dorny/paths-filter@v2
        id: filter
        with:
          base: ${{ github.ref }}
          filters: |
            php:
              - added|modified: 'src/**/*.php'