Use more elegant travis build

.travis.yml

@@ -10,7 +10,7 @@ php:
 
 cache:
   directories:
-  - vendor
+    - vendor
 
 before_install:
   - export XDEBUG="/home/travis/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini"
@@ -21,15 +21,11 @@ install:
   - travis_retry composer update -a --no-interaction
   - travis_retry wget https://scrutinizer-ci.com/ocular.phar
 
-before_script:
-  - if is_hhvm; then echo 'xdebug.enable = On' >> /etc/hhvm/php.ini; fi
-
 script:
-  - is_hhvm || mv -v "$XDEBUG.disabled" "$XDEBUG"
-  - vendor/bin/phpunit --coverage-clover=coverage.clover --coverage-text
-  - is_hhvm || mv -v "$XDEBUG" "$XDEBUG.disabled"
   - vendor/bin/phpcs --standard=PSR2 src tests
   - vendor/bin/php-cs-fixer fix -v --dry-run --allow-risky=yes --using-cache=no
+  - if is_hhvm; then echo "xdebug.enable = On" >> /etc/hhvm/php.ini; else mv -v "$XDEBUG.disabled" "$XDEBUG"; fi
+  - vendor/bin/phpunit --coverage-clover=coverage.clover --coverage-text
 
 after_script:
   - is_hhvm || php ocular.phar code-coverage:upload --format=php-clover coverage.clover

CHANGES.md

@@ -1,5 +1,12 @@
 # Changelog #
 
+## v2.2.0 (2017-07-08) ##
+
+  * Increase the minimum PHP version requirement to 5.6
+  * Update to latest coding standards
+  * Update tests to work with PHPUnit 6
+  * Update travis build to test for PHP 7.1
+
 ## v2.1.3 (2015-11-08) ##
 
   * Ensure the tests run on both HHVM and PHP7

README.md

@@ -244,18 +244,6 @@ apply to following calls.
 
 ## Known Issues ##
 
-### Recursive arrays on PHP < 5.4.5 ###
-
-If you try to encode recursive arrays on PHP versions earlier than 5.4.5, you
-may encounter the following error (due to the way array comparisons work
-internally in PHP):
-
-`Fatal error:  Nesting level too deep - recursive dependency?`
-
-In order to fix this, you should disable the recursive array detection by
-setting the option `recursion.detect` to false and set a value for the option
-`recursion.max` to prevent recursive arrays from causing an infinite loop.
-
 ### Float precision on HHVM ###
 
 Note that HHVM does not support the ini setting `serialize_precision`. Thus,