12 - composer install --dev --prefer-source
15 - find ./src -name "*.php" -print0 | xargs -0 -n1 -P8 php -l
17 - vendor/bin/phpspec run -f pretty --no-interaction
18 # Don't test coding on php 5.3.
19 - test ${TRAVIS_PHP_VERSION} == "5.3" || ./vendor/bin/phpcs --standard=./phpcs-ruleset.xml --ignore=./vendor --ignore=./doc --ignore=./spec --ignore=./drush .
21 # Enable Travis containers.