build(travis): add travis yml

Author: adhocore

.travis.yml

@@ -0,0 +1,24 @@
+cache:
+  directories:
+    - $HOME/.composer/cache/files
+
+language: php
+
+php:
+  - 7.0
+  - 7.1
+  - 7.2
+  - 7.3
+  - 7.4
+
+install:
+  - composer install --prefer-dist
+
+before_script:
+  - for P in src tests; do find $P -type f -name '*.php' -exec php -l {} \;; done
+
+script:
+  - vendor/bin/phpunit --coverage-text --coverage-clover=coverage.xml
+
+after_success:
+  - bash <(curl -s https://codecov.io/bash)