.travis.yml

language: php

php:
  - "7.1"
  - "7.2"
  - "7.3"

install:
  - composer require --no-update symfony/http-foundation $SYMFONY_VERSION; composer install

script:
  - vendor/bin/phpunit
  - vendor/bin/php-cs-fixer fix -v --dry-run

env:
  - SYMFONY_VERSION: ~2
  - SYMFONY_VERSION: ~3
  - SYMFONY_VERSION: ~4