matrix:
  PHP_VERSION:
    - deblan/php:7.3
    - deblan/php:7.4
    - deblan/php:8.0
    - deblan/php:8.1

steps:
  dependencies:
    image: ${PHP_VERSION}
    commands:
      - php /usr/local/bin/composer install
      - php /usr/local/bin/composer require --dev phpunit/phpunit
  tests:
    image: ${PHP_VERSION}
    commands:
      - php ./vendor/bin/phpunit