$request_params->__set('reserveOrder', '');
$request_params->__set('reserveQuantity', 0);
/* From EquityOrderRequest */
$request_params->__set('stopLimitPrice', '');
$request_params->__set('symbol', 'AAPL');
$request_params->__set('orderAction', 'BUY');
//{BUY, SELL, BUY_TO_COVER, SELL_SHORT'}
$request_params->__set('priceType', 'LIMIT');
// { MARKET, LIMIT, STOP, STOP_LIMIT, MARKET_ON_CLOSE'}
$request_params->__set('routingDestination', '');
$request_params->__set('marketSession', 'REGULAR');
// { REGULAR, EXTENDED }
$request_params->__set('orderTerm', 'GOOD_FOR_DAY');
//{ GOOD_UNTIL_CANCEL,GOOD_FOR_DAY,IMMEDIATE_OR_CANCEL,FILL_OR_KILL}
$request_xml_object = new PreviewEquityOrder($request_params);
$out = $ac_obj->previewEquityOrder($request_xml_object);
break;
//3. Place Equity Order
//3. Place Equity Order
case 3:
$request_params = new EquityOrderRequest();
/* From orderRequestMain. */
$request_params->__set('accountId', 83600842);
$request_params->__set('clientOrderId', 'asdfdsa12312');
$request_params->__set('limitPrice', 300);
$request_params->__set('previewId', '');
$request_params->__set('stopPrice', 300);
/* From basicOrderRequest. */
$request_params->__set('allOrNone', '');
$request_params->__set('quantity', 4);
$request_params->__set('reserveOrder', '');
