add travis yml

.travis.yml

@@ -0,0 +1,38 @@
+sudo: false
+
+language: php
+
+php:
+  - 7.0
+  - 7.1
+  - 7.2
+  - nightly
+
+matrix:
+  allow_failures:
+    - php: nightly
+  fast_finish: true
+
+cache:
+  directories:
+    - $HOME/.composer/cache
+    - $HOME/.php-cs-fixer
+    - $HOME/.local
+
+env:
+  - AMP_DEBUG=true
+
+before_install:
+  - phpenv config-rm xdebug.ini || echo "No xdebug config."
+
+install:
+  - composer update -n --prefer-dist
+  - wget https://github.com/php-coveralls/php-coveralls/releases/download/v1.0.2/coveralls.phar
+  - chmod +x coveralls.phar
+
+script:
+  - phpdbg -qrr vendor/bin/phpunit --coverage-text --coverage-clover build/logs/clover.xml
+  - PHP_CS_FIXER_IGNORE_ENV=1 php vendor/bin/php-cs-fixer --diff --dry-run -v fix
+
+after_script:
+  - ./coveralls.phar