language: php

php:
  - 5.4
  - 5.5
  - 5.6

before_script:
  - composer install --prefer-source

script: ./vendor/bin/phpunit

language: php

php:
  - 5.4
  - 5.5
  - 5.6
  - 7.0
  - 7.1
  - 7.2

before_script:
  - composer install --prefer-source

script: ./vendor/bin/phpunit

Check compatibility with PHP <= 7.2
Check compatibility with PHP <= 7.2
