getTotal();
$currency_code = $invoice->getCurrencyCode() ?: 'USD';
// If currency is "global", use the global setting
if ($currency_code === 'global') {
$currency_code = get_option('easy_invoice_currency_code', 'USD');
}
$currency_symbol = \EasyInvoice\Helpers\CurrencyHelper::getCurrencySymbol($currency_code);
// Get available payment gateways
$payment_controller = new \EasyInvoice\Controllers\PaymentController();
$available_gateways = $payment_controller->getAvailableGateways($invoice_id);
// Get nonce for AJAX security
$payment_nonce = wp_create_nonce('easy_invoice_payment');
?>