{
        $request_data['limit'] = $limit;
        if ($to_id) {
            $request_data['to_id'] = $to_id;
        }
        $this->set_path('/trader/orders');
        return $this->perform($request_data, 'GET', True);
    }
}
/////////////////////////////////////////////////////Your Data//////////////////////////////////////////////////////////
$auth_key = '86a6a2e66e586bf937cc';
$secret = 'ebef82aa5cf823a8751132daa948161cfb60f77a';
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
$client = new ApiClient($auth_key, $secret, 'http://localhost:8000');
echo "\n--------------------------------depth------------------------------------\n";
print_r($client->exchange_depth('BTCUSD', 10));
echo "\n--------------------------------last 10 operations------------------------------------\n";
print_r($client->exchange_history('BTCUSD', 10));
echo "\n--------------------------------ticker------------------------------------\n";
print_r($client->exchange_ticker('BTCUSD'));
echo "\n--------------------------------exchange info------------------------------------\n";
print_r($client->exchange_info());
echo "\n--------------------------------list active orders------------------------------------\n";
print_r($client->list_active_orders());
echo "\n--------------------------------create limit order------------------------------------\n";
$order = $client->create_order(1, 1, 'BUY', 'BTCUSD');
print_r($order);
echo "\n--------------------------------remove order------------------------------------\n";
print_r($client->remove_order(123456));
echo "\n--------------------------------trader info------------------------------------\n";
print_r($client->trader_info());