os:
  - linux

language: php

php:
  - 7.1.18
  - 7.2
  - nightly

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

script:
  - composer ci

matrix:
  allow_failures:
    - php: nightly

notifications:
  email:
    on_success: never
    on_failure: always

os:
  - linux

language: php

php:
  - 7.1.18
  - 7.2
  - 7.3
  - nightly

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

script:
  - composer ci

matrix:
  allow_failures:
    - php: nightly

notifications:
  email:
    on_success: never
    on_failure: always

Test against stable release of PHP 7.3
Test against stable release of PHP 7.3
