language: php

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

install: composer require --no-update guzzlehttp/guzzle $GUZZLE_VERSION; composer update

script: vendor/bin/phpunit

env:
  - GUZZLE_VERSION: 4.2
  - GUZZLE_VERSION: 5.0
  - GUZZLE_VERSION: 5.2
  - GUZZLE_VERSION: 5.3
  - GUZZLE_VERSION: 5.3.1

matrix:
  exclude:
    - php: 7.1
      env: GUZZLE_VERSION=4.2
    - php: 7.1
      env: GUZZLE_VERSION=5.0
    - php: 7.1
      env: GUZZLE_VERSION=5.2
    - php: 7.1
      env: GUZZLE_VERSION=5.3