os:
  - linux
  - osx

language: php

before_install:
  - composer self-update

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

php:
  - 5.6
  - 7.0
  - hhvm

matrix:
  allow_failures:
    - php: hhvm

notifications:
  email: false

os:
- linux

language: php

before_install:
  - composer self-update

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

php:
  - 5.6
  - 7.0
  - hhvm

matrix:
  allow_failures:
    - php: hhvm

notifications:
  email: false

Revert "add OSX to Travis build process"
Revert "add OSX to Travis build process"

This reverts commit 7a264a3d0570ff253b69ee97f0df118331ae531b.
