Shopping Cart is very important part of any online store, it not only lets users to accumulate list of items for final purchase, but also calculates a total amount for the order. Since my last article on PayPal Express Checkout with PHP, I have received few emails from readers asking how to create simple PHP session based shopping cart for the website. So, keeping that in mind, today we will create a simple but working online shopping cart step by step, which can be integrated easily in any website that runs on PHP.
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