.travis.yml

# see http://about.travis-ci.org/docs/user/languages/php/ for more hints
        language: php

        # list any PHP version you want to test against
        php:
        # using major version aliases

#
        - 5.5
        # aliased to a recent 5.6.x version
        - 5.6
        # aliased to a recent 7.x version
        - 7.0
        # aliased to a recent hhvm version
        - hhvm

        # optionally specify a list of environments, for example to test different RDBMS
#        env:
#        - DB=mysql
#        - DB=pgsql

        # optionally set up exclutions and allowed failures in the matrix
        matrix:
        exclude:
        - php: hhvm
        allow_failures:
        - php: 7.0
        - php: hhvm

        # Commands to be run before your environment runs.
        before_script:
          - composer self-update
          - composer install --prefer-source --no-interaction --dev

        # omitting "script:" will default to phpunit
        # use the $DB env variable to determine the phpunit.xml to use
        script: phpunit --testsuite unit