language: php
php:
  - 7.1
  - 7.2
  - 7.3
env:
  - dependencies=lowest
  - dependencies=highest
before_script:
  - composer self-update
  - if [ "$dependencies" = "lowest" ]; then composer update --prefer-lowest --no-interaction; fi;
  - if [ "$dependencies" = "highest" ]; then composer update --no-interaction; fi;
script:
  - vendor/bin/phing

language: php
php:
  - 7.1
  - 7.2
  - 7.3
env:
  - dependencies=lowest
  - dependencies=highest
matrix:
  exclude:
    - php: 7.2
      env: dependencies=lowest
    - php: 7.3
      env: dependencies=lowest
before_script:
  - composer self-update
  - if [ "$dependencies" = "lowest" ]; then composer update --prefer-lowest --no-interaction; fi;
  - if [ "$dependencies" = "highest" ]; then composer update --no-interaction; fi;
script:
  - vendor/bin/phing

Exclude build jobs on PHP 7.2 and 7.3 with lowest composer deps
Exclude build jobs on PHP 7.2 and 7.3 with lowest composer deps
