a simple php webpage code example

Example 1: php hello world

echo "Hello, World!";

Example 2: simple one page php script

<?php
use Phppot\Cart;
require_once __DIR__ . './../Model/Cart.php';
$cartModel = new Cart();
?>
<input type="hidden" id="cart-item-count"
	value="<?php echo $cartModel->cartSessionItemCount; ?>">
<?php
if ($cartModel->cartSessionItemCount > 0) {
    ?>
<table width="100%" id="cart-table" cellpadding="10" cellspacing="1"
	border="0">
	<tbody>
		<tr>
			<th>Name</th>
			<th>Quantity</th>
			<th class="text-right">Price</th>
			<th class="text-right">Action</th>
		</tr>   
<?php
    $item_total = 0;
    $i = 1;
    foreach ($_SESSION["cart_item"] as $item) {
        ?>
        <tr>
			<td><?php echo $item["name"]; ?></td>
			<td><input type="number" name="quantity" class="quantity"
				value="<?php echo $item['quantity']; ?>"
				data-code='<?php echo $item["code"]; ?>' size=2
				onChange="updatePrice(this)" /> <input type="hidden" class='total'
				name="total" value="<?php echo $item["price"]; ?>" /></td>
			<td class="prc text-right" id="price" <?php echo $i;?>><?php echo $item["price"]; ?></td>
        <?php $i++; ?>
        <td class="text-right"><a
				onClick="cartAction('remove','<?php echo $item["code"]; ?>')"
				class="btnRemoveAction"><img src="./view/images/icon-delete.png"
					alt="Remove Item" /></a></td>
		</tr>
    <?php
        $item_total += ($item["price"] * $item['quantity']);
    }
    ?>
        <tr id="tot">
			<td class="text-right" colspan="3"><strong>Total (USD): </strong> <span
				id="total"><?php echo $item_total;?></span></td>
			<td class="text-right"><a id="btnEmpty"
				onClick="cartAction('empty', '');">Empty Cart</a></td>
		</tr>
	</tbody>
</table>
<?php
} else {
    ?>
<div id="empty-cart">Your cart is empty</div>
<?php
}