language: php

php:
  - 5.5
  - 5.6
  - 7.0
  - 7.1

script:
  - phpunit

install:
  - composer install

language: php

php:
  - 5.5
  - 5.6
  - 7.0
  - 7.1

install:
  - composer install

script:
  - phpunit

Modify building script to use some logical order
Modify building script to use some logical order

Travis CI first runs `install` step; after that, it runs `script` step.
