language: php

php:
  - 5.6
  - 7.0
  - 7.1
  - 7.2
  - nightly

matrix:
  allow_failures:
  - php: nightly

env:
  - COMPOSER_OPTS=""
  - COMPOSER_OPTS="--prefer-lowest"

before_script:
  - travis_retry composer self-update
  - travis_retry composer update $COMPOSER_OPTS

script:
  - vendor/bin/phpunit --coverage-text --coverage-clover=coverage.clover

after_script:
  - wget https://scrutinizer-ci.com/ocular.phar
  - php ocular.phar code-coverage:upload --format=php-clover coverage.clover

dist: trusty
sudo: false