language: php
php:
  - '5.4'
  - '5.5'
  - '5.6'
  - '7.0'
  - '7.1'

before_install:
  - composer install
language: php
php:
  - '5.6'
  - '7.0'
  - '7.1'

before_install:
  - composer install
Remove 5.4 and 5.5 for unit test
Remove 5.4 and 5.5 for unit test
