PHP Shopping Cart feature Implementation code (introductory example)

Product Category page Session_Start ();//Open Session Environment Determine if the user has clicked the "Add to Cart" button if (isset ($_post[' cart ')) { Cyclic mode Assignment foreach ($_post[' cart ') as $value) { If there is a product in the shopping cart Conditions: Clicked "Put into cart"---existence array $_session[' cart ']; Determine which commodity----determine whether the name of the product appears in the array Array_key_exists (subscript, array); if (isset ($_session[' cart ')) && array_key_exists ($value, $_session[' cart ')) { $_session[' cart ' [$value]++; }else{ If the item is not in the shopping cart $_session[' cart ' [$value]=1; } } } ?> Online mall _php Shopping Cart-bbs.it-home.org Online Shop Daily Necessities Household appliances Cultural goods View Shopping Cart Empty shopping Cart Copy Code 2. carlist.php display the items in the shopping cart Display the items in the cart (name of product, number of items) Session_Start (); echo "The items you have selected include: "; echo ""; echo "Back Home"; ?> Copy Code 3, file cardel.php empty shopping Cart Session_Start ();//Open Session Environment Empty shopping Cart unset ($_session[' cart '); ?> Copy Code The above code realizes a shopping cart common function, displays the commodity classification and the information, the shopping cart product processing and so on. We hope to help you.

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