name: "Continuous Integration"

on:
  - push
  - pull_request

env:
  COMPOSER_FLAGS: "--ansi --no-interaction --no-progress --prefer-dist"
  SYMFONY_PHPUNIT_REMOVE_RETURN_TYPEHINT: "1"

jobs:
  tests:
    name: "CI"

    runs-on: ubuntu-latest
    continue-on-error: ${{ matrix.experimental }}

    strategy:
      matrix:
        php-version:
          - "5.3"
          - "5.4"
          - "5.5"
          - "5.6"
          - "7.0"
          - "7.1"
          - "7.2"
          - "7.3"
          - "7.4"
#          - "8.0"
        dependencies: [highest]
        experimental: [false]
        include:
          - php-version: "5.3"
            dependencies: highest
            experimental: false
          - php-version: "5.3"
            dependencies: lowest
            experimental: false
#          - php-version: "8.0"
#            dependencies: highest
#            experimental: false
#          - php-version: "8.1"
#            dependencies: lowest-ignore
#            experimental: true
#          - php-version: "8.1"
#            dependencies: highest-ignore
#            experimental: true

    steps:
      - name: "Checkout"
        uses: "actions/checkout@v2"

      - name: "Install PHP"
        uses: "shivammathur/setup-php@v2"
        with:
          coverage: "none"
          extensions: "intl, zip"
          ini-values: "memory_limit=-1, phar.readonly=0, error_reporting=E_ALL, display_errors=On"
          php-version: "${{ matrix.php-version }}"
          tools: composer

      - name: "Handle lowest dependencies update"
        if: "contains(matrix.dependencies, 'lowest')"
        run: "echo \"COMPOSER_UPDATE_FLAGS=$COMPOSER_UPDATE_FLAGS --prefer-lowest\" >> $GITHUB_ENV"

      - name: "Handle ignore-platform-reqs dependencies update"
        if: "contains(matrix.dependencies, 'ignore')"
        run: "echo \"COMPOSER_FLAGS=$COMPOSER_FLAGS --ignore-platform-req=php\" >> $GITHUB_ENV"

      - name: "Update dependencies"
        run: "composer update ${{ env.COMPOSER_UPDATE_FLAGS }} ${{ env.COMPOSER_FLAGS }}"

      - name: "Validate composer.json"
        run: "composer validate"

      - name: "Run tests"
        run: "composer test"



Add GH Actions CI and linting
Add GH Actions CI and linting
