language: php

php:
  - 5.6
  - 7.0
  - 7.1
  - nightly

sudo: false

before_install:
  - composer self-update
  - composer clear-cache

install:
  - travis_retry composer update --no-interaction --no-ansi --no-progress --no-suggest --optimize-autoloader --prefer-stable

script:
  - ./vendor/bin/phpunit

notifications:
  email: false