add .travis.yml

Author: iteman

.travis.yml

@@ -0,0 +1,26 @@
+language: php
+
+sudo: false
+
+cache:
+  directories:
+    - $HOME/.composer/cache
+
+php:
+  - 5.4
+  - 5.5
+  - 5.6
+  - 7.0
+  - 7.1
+  - 7.2
+
+matrix:
+  fast_finish: true
+
+before_script:
+  - rm -f ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini
+  - composer self-update
+  - composer install
+
+script:
+  - ./vendor/bin/phpunit