language: php

php:
  - 5.3
  - 5.4
  - 5.5
  - 5.6
  - 7.0
  - 7.1
  - 7.2
  - 7.3
  - hhvm

before_script:
  - travis_retry composer self-update
  - composer config notify-on-install false
  - travis_retry composer update --no-interaction --prefer-source

script:
  - vendor/bin/phpunit --configuration phpunit.xml.dist

language: php

php:
  - 5.4
  - 5.5
  - 5.6
  - 7.0
  - 7.1
  - 7.2
  - 7.3
  - hhvm

matrix:
  include:
    - php: 5.3
      dist: precise

before_script:
  - travis_retry composer self-update
  - composer config notify-on-install false
  - travis_retry composer update --no-interaction --prefer-source

script:
  - vendor/bin/phpunit --configuration phpunit.xml.dist

Fix Travis for PHP 5.3
Fix Travis for PHP 5.3