<?php // Virtual Top-Up Processing class VirtualTopUp { public function processVirtualTopUp($amount, $user_id) { // Validate user input if ($amount <= 0) { return "Invalid amount"; } // Perform virtual top-up operation // Update user balance in the database // Example: $new_balance = $current_balance + $amount; return "Virtual top-up successful. New balance: $new_balance"; } } // Usage example $virtual_topup = new VirtualTopUp(); $amount = 50; // Example amount $user_id = 123; // Example user ID $result = $virtual_topup->processVirtualTopUp($amount, $user_id); echo $result; ?>
