--- /dev/null
+language: php
+
+matrix:
+ include:
+ - php: 5.4
+ - php: 5.5
+ env: COMPOSER_OPTS="--prefer-lowest"
+ - php: 5.6
+ - php: 7.0
+ - php: 7.1
+ - php: 7.2
+ - php: nightly
+ - php: hhvm
+ env: COMPOSER_OPTS="--prefer-lowest"
+
+ allow_failures:
+ - php: nightly
+
+before_install:
+ - sudo apt-get update -qq
+ - sudo apt-get install -y bash zsh
+
+install:
+ - composer self-update
+ - composer update $COMPOSER_OPTS
+
+script:
+ - vendor/bin/phpunit