Drop hhvm support, and add new PHP versions

.travis.yml

@@ -9,16 +9,21 @@ php:
     - 5.6
     - 7.0
     - 7.1
-    - hhvm
+    - 7.2
+    - 7.3
     - nightly
 
+matrix:
+    allow_failures:
+        - php: nightly
+
 before_script:
     - mkdir -p build/logs
 
 script:
     - composer update --prefer-dist --no-interaction --no-progress
     - vendor/bin/phpunit -v --coverage-clover build/logs/clover.xml
-    - if [ "${TRAVIS_PHP_VERSION}" != 'hhvm' ] && [ "${TRAVIS_PHP_VERSION}" != 'nightly' ]; then travis_retry wget -q https://github.com/satooshi/php-coveralls/releases/download/v1.0.1/coveralls.phar && travis_retry php coveralls.phar -v; fi
+    - if [ "${TRAVIS_PHP_VERSION}" != 'nightly' ]; then travis_retry wget -q https://github.com/satooshi/php-coveralls/releases/download/v1.0.1/coveralls.phar && travis_retry php coveralls.phar -v; fi
 
 notifications:
     email:

appveyor.yml

@@ -12,9 +12,9 @@ environment:
     - dependencies: highest
       php_ver_target: 5.6
     - dependencies: lowest
-      php_ver_target: 7.1
+      php_ver_target: 7.3
     - dependencies: highest
-      php_ver_target: 7.1
+      php_ver_target: 7.3
 
 ## Cache composer, chocolatey and php bits
 cache: