WP PHP Dapatkan Total Produk Kuantitas

$total_quantity = 0; // Initializing

// Loop through order items
foreach ( $order->get_items() as $item_id => $item ) {
    $total_quantity += $item->get_quantity();
}
// Output
echo '<p>Total items quantity: '.$total_quantity.'</p>';
Weary Wildebeest