prepare("UPDATE users SET balance_usdt = balance_usdt - ? WHERE id = ?")->execute([$amount, $user['id']]);
$success = mt('Successful') . ": " . number_format($receive, 6) . " $to_coin";
$user['balance_usdt'] -= $amount;
}
} else {
$error = "Only USDT to Crypto exchange is currently supported.";
}
} catch (Exception $e) {
$error = 'Exchange failed: ' . $e->getMessage();
}
}
}
?>