.travis.yml

language: php
sudo: required
dist: trusty
php:
  - 5.5
  - 5.6
  - 7.0
  - 7.1
  - 7.2
cache:
  directories:
    - vendor
    - $HOME/.composer/cache
env:
  matrix:
    - DEPENDENCIES=""
    - DEPENDENCIES="--prefer-lowest --prefer-stable"
before_script:
  - composer self-update
  - composer update $DEPENDENCIES
script:
  - ./vendor/bin/phpunit --coverage-clover=coverage.clover;
  - if [ "$TRAVIS_PHP_VERSION" = "7.1" ]; then wget https://github.com/FriendsOfPHP/PHP-CS-Fixer/releases/download/v2.4.0/php-cs-fixer.phar && php php-cs-fixer.phar fix --config=.php_cs -v --dry-run --using-cache=no --path-mode=intersection `git diff --name-only --diff-filter=ACMRTUXB $TRAVIS_COMMIT_RANGE`; fi

after_script:
  - if [ "$TRAVIS_PHP_VERSION" = "7.1" ]; then wget https://scrutinizer-ci.com/ocular.phar && php ocular.phar code-coverage:upload --format=php-clover coverage.clover; fi