language: php

php:
  - '5.6'
  - '7.0'
  - '7.1'
  - '7.2'

install:
  - composer install

language: php

php:
  - '7.1'
  - '7.2'
  - '7.3'

install:
  - composer install

Drop PHP 5.6 & 7.0 from Travis build matrix, add PHP 7.3
Drop PHP 5.6 & 7.0 from Travis build matrix, add PHP 7.3
