php:
- 5.4
- 5.5
- 5.6
- 7.0
- 7.1
matrix:
  include:
  - php: hhvm
    sudo: true
    dist: trusty
    group: edge
    cache:
      directories: "$HOME/.composer/cache"
    before_install:
    - wget https://phar.phpunit.de/phpunit-4.5.1.phar
    script:
    - php phpunit-4.5.1.phar --verbose $PHPUNIT_FLAGS
sudo: false

# cache vendor dirs
cache:
  directories:
    - $HOME/.composer/cache

install:
  - travis_retry composer self-update && composer --version
  - export PATH="$HOME/.composer/vendor/bin:$PATH"
  - travis_retry composer install --prefer-dist --no-interaction

before_script:
  - |
    if [ $TRAVIS_PHP_VERSION = '5.6' ]; then
      PHPUNIT_FLAGS="--coverage-clover=coverage.clover"
    fi

script:
  - phpunit --verbose $PHPUNIT_FLAGS

after_script:
  - |
    if [ $TRAVIS_PHP_VERSION = '5.6' ]; then
      travis_retry wget https://scrutinizer-ci.com/ocular.phar
      php ocular.phar code-coverage:upload --format=php-clover coverage.clover
    fi