language: php
  
  php:
    - 5.3
    - 5.4
    - 5.5
    - 5.6
    - 7.0
    - hhvm
  
  install: travis_retry composer install --no-interaction --prefer-source
  
  script: vendor/bin/phpunit
  
  matrix:
    allow_failures:
      - php: 7.0
      - php: hhvm
    fast_finish: true