build(travis): php -l

Author: adhocore

.travis.yml

@@ -11,6 +11,9 @@ php:
 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