src/FBAOutboundServiceMWS/Client.php
public function getFulfillmentPreview($request)
    {
        if (!($request instanceof FBAOutboundServiceMWS_Model_GetFulfillmentPreviewRequest)) {
            $request = new FBAOutboundServiceMWS_Model_GetFulfillmentPreviewRequest($request);
        }
        $parameters = $request->toQueryParameterArray();
        $parameters['Action'] = 'GetFulfillmentPreview';
        $httpResponse = $this->_invoke($parameters);

        $response = FBAOutboundServiceMWS_Model_GetFulfillmentPreviewResponse::fromXML($httpResponse['ResponseBody']);
        $response->setResponseHeaderMetadata($httpResponse['ResponseHeaderMetadata']);
        return $response;
    }
public function getFulfillmentPreview($request)
    {
        if (!($request instanceof FBAOutboundServiceMWS_Model_GetFulfillmentPreviewRequest)) {
            $request = new FBAOutboundServiceMWS_Model_GetFulfillmentPreviewRequest($request);
        }
        $parameters = $request->toQueryParameterArray();
        $parameters['Action'] = 'GetFulfillmentPreview';
        $httpResponse = $this->_invoke($parameters);

        $response = FBAOutboundServiceMWS_Model_GetFulfillmentPreviewResponse::fromXML($httpResponse['ResponseBody']);
        $response->setResponseHeaderMetadata($httpResponse['ResponseHeaderMetadata']);
        return $response;
    }
Get Fulfillment Preview
Get estimated shipping dates and fees for all
available shipping speed given a set of seller SKUs and quantities

If "ShippingSpeedCategories" are inputed, only previews for those options will be returned.

If "ShippingSpeedCategories" are not inputed, then previews for all available options
are returned.

The service will return the fulfillment estimates for a set of Seller
SKUs and quantities.

@param mixed $request array of parameters for FBAOutboundServiceMWS_Model_GetFulfillmentPreview request or FBAOutboundServiceMWS_Model_GetFulfillmentPreview object itself
@see FBAOutboundServiceMWS_Model_GetFulfillmentPreviewRequest
@return FBAOutboundServiceMWS_Model_GetFulfillmentPreviewResponse

@throws FBAOutboundServiceMWS_Exception