language: php

php:
  - 7.1
  - 7.2
  - 7.3

before_install:
  - phpenv config-rm xdebug.ini || true

install:
  - composer install
  - if [[ "$DEPS" = 'high' ]]; then travis_retry composer $DEFAULT_COMPOSER_FLAGS update; fi
  - if [[ "$DEPS" = 'low' ]]; then travis_retry composer $DEFAULT_COMPOSER_FLAGS --prefer-lowest --prefer-stable update; fi
  - if [[ "$DEPS" = 'stable' ]]; then travis_retry composer $DEFAULT_COMPOSER_FLAGS --prefer-stable update; fi

script: composer check

env:
  matrix:
    - DEPS="low"
    - DEPS="high"
    - DEPS="stable"
  global:
    - DEFAULT_COMPOSER_FLAGS="--no-interaction --no-suggest --prefer-dist"