language: php
php:
- 5.4
- 5.5
- 5.6
- 7.0
- 7.1
- hhvm
matrix:
  allow_failures:
    - php: hhvm
    - php: 5.4
before_install:
  - composer self-update
install:
  - composer install --prefer-source --no-interaction
script:
  - vendor/bin/phpunit
cache:
  directories:
  - vendor
  - $HOME/.composer/cache
after_success:
    - bash <(curl -s https://codecov.io/bash)
language: php
php:
- 5.4
- 5.5
- 5.6
- 7.0
- 7.1
- hhvm
matrix:
  allow_failures:
    - php: hhvm
    - php: 5.4
    - php: 5.5
before_install:
  - composer self-update
install:
  - composer install --prefer-source --no-interaction
script:
  - vendor/bin/phpunit
cache:
  directories:
  - vendor
  - $HOME/.composer/cache
after_success:
    - bash <(curl -s https://codecov.io/bash)

Allow failure on php 5.5
Allow failure on php 5.5

Now that Illuminate/Support is a dependency PHP 5.6 is the lowest supported version.