src/MarketplaceWebService/Client.php
public function cancelReportRequests($request)
    {
        if (!$request instanceof MarketplaceWebService_Model_CancelReportRequestsRequest) {
            $request = new MarketplaceWebService_Model_CancelReportRequestsRequest($request);
        }
        $httpResponse = $this->invoke($this->convertCancelReportRequests($request));
        $response = MarketplaceWebService_Model_CancelReportRequestsResponse::fromXML($httpResponse['ResponseBody']);
        $response->setResponseHeaderMetadata($httpResponse['ResponseHeaderMetadata']);
        return $response;
    }
public function cancelReportRequests($request)
    {
        if (!$request instanceof MarketplaceWebService_Model_CancelReportRequestsRequest) {
            $request = new MarketplaceWebService_Model_CancelReportRequestsRequest($request);
        }
        $httpResponse = $this->invoke($this->convertCancelReportRequests($request));
        $response = MarketplaceWebService_Model_CancelReportRequestsResponse::fromXML($httpResponse['ResponseBody']);
        $response->setResponseHeaderMetadata($httpResponse['ResponseHeaderMetadata']);
        return $response;
    }
Cancel Report Requests
cancels report requests that have not yet started processing,
by default all those within the last 90 days

@see http://docs.amazonwebservices.com/${docPath}CancelReportRequests.html
@param mixed $request array of parameters for MarketplaceWebService_Model_CancelReportRequestsRequest request
or MarketplaceWebService_Model_CancelReportRequestsRequest object itself
@see MarketplaceWebService_Model_CancelReportRequests
@return MarketplaceWebService_Model_CancelReportRequestsResponse MarketplaceWebService_Model_CancelReportRequestsResponse

@throws MarketplaceWebService_Exception