How to get cart data as json in woocommerce?

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global $woocommerce;
$cart_data = array();

foreach ( $woocommerce->cart->get_cart() as $cart_item_key => $values ) {
    $_product = $values['data'];
    $item_id = $values['data']->id;
    
    $cart_data[] = array(
        'product_id' => $item_id,
        'product_name' => $_product->get_title(),
        'quantity' => $values['quantity'],
        'price' => $_product->get_price(),
        'subtotal' => $values['line_total'],
    );
}

header('Content-Type: application/json');
echo json_encode($cart_data);