Clone this project:
git clone git@github.com:matthiasnoback/symfony-dependency-injection-workshop.git
cd symfony-dependency-injection-workshop
Install Composer if you don't have it already.
Run:
composer install
Try:
php run.php
You should see something like:
URL for cat gif with id "vd": http://24.media.tumblr.com/tumblr_m1pgmg9Fe61qjahcpo1_1280.jpg
A random URL of a cat gif: http://24.media.tumblr.com/tumblr_m2kkonCfCa1qejbiro1_500.jpg
You may also try to run the tests:
vendor/bin/phpunit
This takes a couple of seconds and then you may either see a red or a green bar telling you that all tests succeeded, or one of them failed.