On Packagist:
PPP-Wikidata is a PPP module that use Wikidata content.
1 - Clone the repository:
git clone https://github.com/ProjetPP/PPP-Wikidata.git
2 - Install dependances with composer:
curl -sS https://getcomposer.org/installer | php
php composer.phar install
3 - Make www/index.php executable by a web server, and put an URL to this web server in the configuration of your PPP core (and make sure the latter can access it)