.travis.yml

language: php
matrix:
  include:
    - php: 5.3
      env:
        - TEST_SUITE='no_psalm'
    - php: 5.4
      env:
        - TEST_SUITE='no_psalm'
    - php: 5.5
      env:
        - TEST_SUITE='no_psalm'
    - php: 5.6
      env:
        - TEST_SUITE='with_psalm'
        - COMPOSER='composer-psalm.json'
    - php: 7.0
      env:
        - TEST_SUITE='with_psalm'
        - COMPOSER='composer-psalm.json'
    - php: 7.1
      env:
        - TEST_SUITE='with_psalm'
        - COMPOSER='composer-psalm.json'
install: composer install
script: make $TEST_SUITE
dist: precise