How can PHP be effectively used to iterate through each row of data, calculate prices, and display the total sum in a web application?

To iterate through each row of data, calculate prices, and display the total sum in a web application using PHP, you can use a loop to go through each row of data, calculate the price for each item, and keep a running total of the sum. Finally, display the total sum on the webpage. 

<?php
// Sample data array
$data = [
    ['item' => 'Apple', 'price' => 1.50],
    ['item' => 'Banana', 'price' => 0.75],
    ['item' => 'Orange', 'price' => 0.90]
];

$total = 0;

// Iterate through each row of data
foreach ($data as $row) {
    // Calculate the price for each item
    $item_price = $row['price'];
    
    // Add the item price to the total sum
    $total += $item_price;
    
    // Display the item and its price
    echo $row['item'] . ': $' . number_format($item_price, 2) . '<br>';
}

// Display the total sum
echo '<br>Total: $' . number_format($total, 2);
?>

Keywords

PHP iteration data processing web application total sum

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