language: php

php:
  - '5.6'
  - '7.0'
  - '7.1'
  - '7.2'

cache:
  directories:
    - ./vendor

before_install:
    # determine INI file
    - export INI=~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini
    # disable default memory limit
    - echo memory_limit = 2G >> $INI

install:
  - composer --prefer-source install

script:
  - vendor/bin/phpunit
  - ./psalm --find-dead-code
  - vendor/bin/phpcs

after_success:
  - travis_retry php vendor/bin/php-coveralls -v