'_xclick', 'business' => 'seu_email_paypal@example.com', // Substitua pelo seu email PayPal 'item_name' => "Pedido #{$order['id']} - {$order['service_name']}", 'amount' => $order['charge'], 'currency_code' => 'BRL', 'invoice' => $order['id'], 'notify_url' => "{$baseUrl}/paypal_ipn.php", // IPN Listener 'return' => "{$baseUrl}/payment_success.php?order={$order['id']}", 'cancel_return' => "{$baseUrl}/payment_cancel.php?order={$order['id']}" ]; // Constrói a URL de redirecionamento $paypalUrl = 'https://www.paypal.com/cgi-bin/webscr?' . http_build_query($paypalParams); // Exibe página transitória com redirecionamento automático ?>