Adding php 7.2 to travis.yml

Author: Jon Baker

.travis.yml

@@ -1,22 +1,23 @@
 language: php
 
 php:
-  - 5.6
-  - 7.0
-  - 7.1
+    - 5.6
+    - 7.0
+    - 7.1
+    - 7.2
 
 env:
-  matrix:
-    - COMPOSER_FLAGS="--prefer-lowest"
-    - COMPOSER_FLAGS=""
+    matrix:
+        - COMPOSER_FLAGS="--prefer-lowest"
+        - COMPOSER_FLAGS=""
 
 before_script:
-  - travis_retry composer self-update
-  - travis_retry composer update ${COMPOSER_FLAGS} --no-interaction --prefer-source
+    - travis_retry composer self-update
+    - travis_retry composer update ${COMPOSER_FLAGS} --no-interaction --prefer-source
 
 script:
-  - phpunit --coverage-text --coverage-clover=coverage.clover
+    - phpunit --coverage-text --coverage-clover=coverage.clover
 
 after_script:
-  - wget https://scrutinizer-ci.com/ocular.phar
-  - php ocular.phar code-coverage:upload --format=php-clover coverage.clover
+    - wget https://scrutinizer-ci.com/ocular.phar
+    - php ocular.phar code-coverage:upload --format=php-clover coverage.clover