Merge pull request facebookarchive#814 from yguedidi/php7

Add HHVM build but allow to fail

Author: SammyK

.travis.yml

@@ -9,19 +9,27 @@ cache:
 matrix:
   include:
     - php: 7.1
+    - php: nightly
     - php: hhvm
       dist: trusty
+    - php: hhvm-nightly
+      dist: trusty
+  # Allow failures until Travis build includes HHVM 3.20.2 which fix the issue with composer (see http://hhvm.com/blog/2017/06/07/hhvm-3-20.html)
+  allow_failures:
+    - php: hhvm
+      dist: trusty
+    - php: hhvm-nightly
+      dist: trusty
+  fast_finish: true
 
 before_install:
+  - if [[ $TRAVIS_PHP_VERSION = hhv* ]]; then echo hhvm.php7.all=1 >> /etc/hhvm/php.ini; fi
   - travis_retry composer self-update
 
 install:
   - travis_retry composer require --dev --no-update squizlabs/php_codesniffer
   - travis_retry composer install --prefer-dist --no-interaction
 
-before_script:
-  - if [[ $TRAVIS_PHP_VERSION = hhvm ]]; then echo hhvm.php7.all=1 >> /etc/hhvm/php.ini; fi
-
 script:
   - vendor/bin/phpcs
   - vendor/bin/phpunit --coverage-text --exclude-group integration

src/Facebook/FacebookBatchRequest.php

@@ -39,12 +39,12 @@ class FacebookBatchRequest extends FacebookRequest implements IteratorAggregate,
     /**
      * @var array An array of FacebookRequest entities to send.
      */
-    protected $requests;
+    protected $requests = [];
 
     /**
      * @var array An array of files to upload.
      */
-    protected $attachedFiles;
+    protected $attachedFiles = [];
 
     /**
      * Creates a new Request entity.