Try using an old version to sneak it through?

.travis.yml

@@ -5,13 +5,13 @@ php:
   - 5.4
   - 5.5
   - 5.6
-  - 7
+  - 5.3.10 #php7
   - hhvm
   - hhvm-nightly
 
 matrix:
   allow_failures:
-    - php: 7
+    - php: 5.3.10 #php7
     - php: hhvm
     - php: hhvm-nightly
 
@@ -22,7 +22,7 @@ cache:
     - $HOME/.composer/cache
 
 before_install:
-  - pushd $HOME; git clone https://github.com/php/php-src.git; pushd php-src; ./buildconf -f; ./configure --prefix=$HOME/.phpenv/versions/7 && make && make install; phpenv global 7; popd; popd
+  - if [[ "$TRAVIS_PHP_VERSION" == "5.3.10" ]]; then pushd $HOME; git clone https://github.com/php/php-src.git; pushd php-src; ./buildconf -f; ./configure --prefix=$HOME/.phpenv/versions/7 && make && make install; phpenv global 7; popd; popd; php --version; fi
 
 install:
   - travis_retry composer install -n
@@ -37,8 +37,8 @@ script:
 
 after_script:
   - if [[ "$TRAVIS_PHP_VERSION" != "hhvm" ]] && [[ "$TRAVIS_PHP_VERSION" != "hhvm-nightly" ]]; then vendor/bin/coveralls -v; fi
-  - if [[ "$TRAVIS_PHP_VERSION" == "5.5" ]]; then wget https://scrutinizer-ci.com/ocular.phar; fi
-  - if [[ "$TRAVIS_PHP_VERSION" == "5.5" ]]; then php ocular.phar code-coverage:upload --format=php-clover ./build/logs/clover.xml; fi
+  - if [[ "$TRAVIS_PHP_VERSION" == "5.6" ]]; then wget https://scrutinizer-ci.com/ocular.phar; fi
+  - if [[ "$TRAVIS_PHP_VERSION" == "5.6" ]]; then php ocular.phar code-coverage:upload --format=php-clover ./build/logs/clover.xml; fi
 
 notifications:
   email: