Connect to Amazon MWS and Pull Data

Technology : PHP 1) Fetching listings of a seller a) Should be able to fetch all the listings of a particular seller using : Seller Id,Marketplace Id,AWS Access Key Id & Secret Key (These details will be passed as input from a different PHP application) b) Listings should be fetched for every <configurable> minutes based on last updated date & time of <configurable> minutes c) Should be able to handle huge listings (NextToken changes also should be considered) 2) Fetching orders of sellers a) Should be able to fetch the unshipped orders of a particular seller using : Seller Id,Marketplace Id,AWS Access Key Id & Secret Key b) Orders should be fetched for every <configurable> minutes based on last updated date & time of <configurable> minutes or unshipped orders or orders that are unshipped and not yet fetched till now (Depending on the how Amazon MWS API works) c) Should be able to fetch the order item details as well. d) Should be able to handle huge orders (NextToken changes also should be considered) 3) Should handover the code and provide KT to our team on how to use this code and help in integrating with our system.