language: php

php:
  - 5.6

before_install:
  - composer self-update

install:
  - travis_retry composer install --no-interaction --prefer-source

script:
  - phpunit tests/

language: php

php:
  - 5.6
  - 7

before_install:
  - composer self-update

install:
  - travis_retry composer install --no-interaction --prefer-source

script:
  - phpunit tests/

Add php 7 build env.
Add php 7 build env.
