language: php

php:
  - '5.3'
  - '5.4'
  - '5.5'
  - '5.6'
  - '7.0'
  - '7.1'
  - '7.2'
  - '7.3'
  - '7.4'
  - '8.0'

before_install:
  - composer self-update

install:
  - composer install --no-dev

script: 
  - phpunit --coverage-clover=coverage.clover
