Using Symfony? A bundle is available here.
PrestaShop Webservice lib Extra is a fully object-oriented way to interact with a Prestashop webservice. It is build on top of the official Prestashop Webservice lib and include 100% functionality of the latter.
Make sure Composer is installed globally, as explained in the installation chapter of the Composer documentation.
Open a command console, enter your project directory and execute:
$ composer require "jupi/prestashop-webservice-lib-extra"
TODO