language: php
  
  env:
    - PREFER_LOWEST="--prefer-lowest"
    - PREFER_LOWEST=""
  
  php:
      - 5.4
      - 5.5
      - 5.6
      - 7.0
      - hhvm
  
  matrix:
    allow_failures:
      - php: hhvm
    fast_finish: true
    
  before_script:
      - composer dump-autoload
      - composer self-update
      - composer update --prefer-source $PREFER_LOWEST
  
  script: bin/phpunit
  
  
  # Use Travis' new container-based infrastructure.
  # See http://docs.travis-ci.com/user/migrating-from-legacy/#How-can-I-use-container-based-infrastructure%3F
  sudo: false