Test 4.8 with HHVM LTS, HHVM Current and in HHVM php7 mode

.travis.yml

@@ -1,29 +1,72 @@
-language: php
+# Use new Travis-CI container Infrastructure for faster builds
+sudo: false
 
-php:
-  - 5.3.3
-  - 5.3
-  - 5.4
-  - 5.5
-  - 5.6
-  - 7.0
-  - nightly
-  - hhvm
+language: php
 
 matrix:
+  fast_finish: true
+  include:
+    - php: 5.3.3
+    - php: 5.3
+    - php: 5.4
+    - php: 5.5
+    - php: 5.6
+    - php: 7.0
+    - php: 7.1
+    - nightly
+    - php: hhvm-3.12 # Current LTS version of HHVM
+      sudo: true # Travis-CI container Infrastructure doesn't support all available HHVM versions, so use Trusty
+      dist: trusty
+      group: edge # Until the next update
+      addons:
+        apt:
+          packages:
+            - libxml2-utils
+      env: HHVMPHP7="no"
+    - php: hhvm-3.12 # Current LTS version of HHVM with PHP7 mode
+      sudo: true # Travis-CI container Infrastructure doesn't support all available HHVM versions, so use Trusty
+      dist: trusty
+      group: edge # until the next update
+      addons:
+        apt:
+          packages:
+            - libxml2-utils
+      env: HHVMPHP7="yes"
+    - php: hhvm # Current version of HHVM (could be LTS or STS)
+      sudo: true
+      dist: trusty
+      group: edge # until the next update
+      addons:
+        apt:
+          packages:
+            - libxml2-utils
+      env: HHVMPHP7="no"
+    - php: hhvm # Current version of HHVM with PHP7 mode (could be LTS or STS)
+      sudo: true
+      dist: trusty
+      group: edge # until the next update
+      addons:
+        apt:
+          packages:
+            - libxml2-utils
+      env: HHVMPHP7="yes"
   allow_failures:
     - php: 7.0
+    - php: 7.1
     - php: nightly
+    - php: hhvm-3.12
     - php: hhvm
 
-sudo: false
-
 before_install:
   - composer self-update
 
 install:
   - travis_retry composer install --no-interaction --prefer-source
 
+before_script:
+  - if [[ $HHVMPHP7 == "yes" ]]; then echo hhvm.php7.all=1 >> /etc/hhvm/php.ini; fi
+  - if [[ $TRAVIS_PHP_VERSION = hhv* ]]; then echo 'xdebug.enable = 1' >> /etc/hhvm/php.ini; fi # Extension xdebug is required
+
 script:
   - ./phpunit
   - ./phpunit --configuration ./build/travis-ci-fail.xml > /dev/null; if [ $? -eq 0 ]; then echo "SHOULD FAIL"; false; else echo "fail checked"; fi;