Still working on travis configuration

.travis.yml

@@ -6,3 +6,25 @@ php:
   - 7.0
   - hhvm
   - nightly
+
+matrix:
+  fast_finish: true
+  allow_failures:
+    - php: nightly
+
+before_install:
+  - composer self-update
+
+install: composer update $COMPOSER_FLAGS
+
+before_script:
+  - if [[ "$TRAVIS_PHP_VERSION" == '5.6' ]]; then composer require satooshi/php-coveralls:dev-master squizlabs/php_codesniffer:2.* -n ; fi
+  - if [[ "$TRAVIS_PHP_VERSION" != '5.6' ]]; then composer install -n ; fi
+
+script:
+  - if [[ "$TRAVIS_PHP_VERSION" == '5.6' ]]; then mkdir -p build/logs && phpunit --coverage-clover build/logs/clover.xml ; fi
+  - if [[ "$TRAVIS_PHP_VERSION" != '5.6' ]]; then phpunit ; fi
+  - if [[ "$TRAVIS_PHP_VERSION" == '5.6' ]]; then vendor/bin/phpcs --ignore=vendor/* -n -p . ; fi
+
+after_script:
+  - if [[ "$TRAVIS_PHP_VERSION" == '5.6' ]]; then php vendor/bin/coveralls -v ; fi