PHP and MySQL Web Development 4th Ed-tqw-_darksiderg

Solution Overview
833
Listing 33.8
Continued
}
$this->products[0] = new Product($result['Items']['Item']);
$this->totalResults=1;
unset($soapclient);
unset($soap_proxy);
} else {
// form URL and call parseXML to download and parse it
$this->url = "http://ecs.amazonaws.com/onca/xml?".
"Service=".$this->Service.
"&Operation=".$this->Operation.
"&AssociateTag=".$this->AssociateTag.
"&AWSAccessKeyId=".$this->AWSAccessKeyId.
"&ResponseGroup=".$this->ResponseGroup.
"&IdType=".$this->IdType.
"&ItemId=".$this->ItemId;
$this->parseXML();
}
return $this->products[0];
}
// Perform a query to get a page full of products with a keyword search
// Switch between XML/HTTP and SOAP in index.php
// Returns an array of Products
function keywordSearch($search, $page, $mode = 'Books') {
$this->Service = "AWSECommerceService";
$this->Operation = "ItemSearch";
$this->AWSAccessKeyId = DEVTAG;
$this->AssociateTag = ASSOCIATEID;
$this->ResponseGroup = "Large";
$this->SearchIndex= $mode;
$this->Keywords= $search;
if(METHOD=='SOAP') {
$soapclient = new nusoap_client(
'http://ecs.amazonaws.com/AWSECommerceService/AWSECommerceService.wsdl',
'wsdl');
$soap_proxy = $soapclient->getProxy();
$request = array ('Service' => $this->Service, 'Operation' =>
$this->Operation, 'ResponseGroup' => $this->ResponseGroup,