You need composer to install this web application.
Download Composer on *nix
curl -sS https://getcomposer.org/installer | php
Check out https://getcomposer.org/doc/00-intro.md for more help
Install dependency
php composer.phar install --dev
Run Unit Testing
./bin/phpunit -c app
Copy web asset to correct folder and Run PHP Server in Production mode
app/console assetic:dump
app/console server:run --env=prod
Once you started the PHP Server. You can goto http://localhost:8000 to access the web application.