I like to recommend installing the free demo version prior to purchasing and check the need for session management. The OC Session Manager module is primarily intended for OpenCart three. Opencart stores some person facts (language, currency, cart, etc.) in PHP classes. OpenCart can store this facts in two means: https://gorillasocialwork.com/story20066256/opencart-kendin-tasarla-mod%C3%BCl%C3%BC-an-overview