dist: trusty
language: php

php:
- 7.2
- 7.3
- nightly

matrix:
  allow_failures:
  - php: nightly

## Cache composer
cache:
  directories:
  - $HOME/.composer/cache

before_script:
- travis_retry composer update --no-interaction --prefer-dist

script:
- vendor/bin/phpcs -l --standard=psr2 . include