language: php

php:
  - 5.3
  - 5.4
  - 5.5
  - hhvm

before_script:
    - composer --prefer-source --dev install

language: php

php:
  - 5.3
  - 5.4
  - 5.5
  - 5.6
  - hhvm

install:
    - composer --prefer-source install

Add testing on PHP 5.6 on Travis
Add testing on PHP 5.6 on Travis