name: Continuous Integration
on: [push]
jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        php-versions: ['7.1', '7.2', '7.3', '7.4', '8.0', '8.1']

    steps:
      - uses: actions/checkout@v2

      - name: Setup PHP
        uses: shivammathur/setup-php@v2
        with:
          php-version: ${{ matrix.php-versions }}

      - name: Analysing source code
        run: find ./src/ ./inc/ ./tests/ -type f -name '*.php' -print0 | xargs -0 -L 1 -P 4 -- php -l

      - name: Validate composer.json and composer.lock
        run: composer validate

      - name: Install dependencies
        uses: ramsey/composer-install@v1
        with:
          dependency-versions: highest
          composer-options: "--prefer-dist"

      - name: PhpUnit
        run: ./vendor/bin/phpunit

      - name: Psalm
        run: ./vendor/bin/psalm --show-info=false --threads=8 --diff
