language: php php: - 5.3 - 5.4 - 5.5 - 5.6 - 7 - hhvm before_script: - sh -c 'if [ "$TRAVIS_PHP_VERSION" != "hhvm" ]; then echo "session.serialize_handler = php" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini; fi;' - composer install --dev --prefer-source
