Develop Back End PHP cart system to work with HTML/Bootstrap website

PHP Cart System for e-commerce website with checkout with Braintree Should be able to be deployed to any Bootstrap or HTML website with template code for the following: Product Pages Pages display products manually or we could bring in products via get category items with a basic grid then to display product main image, current price (if discounted) and a select button which takes them through to a form to order. Form/select product with options Uploader if product requires uploaded product> uploads and updates upload ID, ideally not sequencial so someone could guess. Text input if personalised product. Submit button to add to cart. _______________________________________________________________________________________ Cart page Displays users order with order items and checkout button _______________________________________________________________________________________ View cart widget Shows theres items in the cart ideally added to any page headers, when clicked theres a checkout link _______________________________________________________________________________________ Checkout checkout button goes through to braintree or PSP _______________________________________________________________________________________ Payment Once successful we need to update database with success status and send notification and send an invoice with invoice/order ID to customer and company displaying what they’ve ordered including any product images. _______________________________________________________________________________________ Admin panel Orders table with any abandoned cart data and successful data so we could chase up unsuccessful orders, a view order button so we can see all details of the order including links to uploaded files. - table to include name, order number, total, PSP and status and stats date - Searchable with paganation and filter on pay status. Basic statistics such as sales for day, month and year or just date picker. Product admin page Shipping admin page