</div> <form action="index.php" method="POST"> <div class="add-product"> <input type="text" id="product_name" name="product_name" placeholder="Product Name" value="<?php echo $validation_name; ?> "> <button type="submit" name="update_cart_action" value="add_product" title="Add Product" id="add_product_button">Add Product</button> <span class="validation-error"><?php echo $validation_error; ?> </span> </div> <?php if ($cart->get_items()) { ?> <table class="cart-table"> <colgroup> <col width="30%"> <col width="17.5%"> <col width="17.5%"> <col width="17.5%"> <col width="17.5%"> </colgroup> <thead> <tr> <th class="a-left" rowspan="1">Product Name</th> <th class="a-right" rowspan="1">Price</th> <th class="a-center" rowspan="1">Qty</th>