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我創建了一個站點，用戶可以輸入某些搜索參數，然後將這些參數輸入PHP中的XML SOAP請求以從Web Service檢索相關數據。 。無法從PHP SOAP SOAP客戶端對象的SOAP響應中創建SimpleXMLElement
我獲取這個數據，但我有麻煩，從它在返回的SOAP客戶端對象提取呢？這裏是我的PHP代碼：
// set WSDL for authentication and create new SOAP client
$auth_url = "http://search.webofknowledge.com/esti/wokmws/ws/WOKMWSAuthenticate?wsdl";
// array options are temporary and used to track request & response data in printout below
$auth_client = @new SoapClient($auth_url, array(
"trace" => 1,
"exceptions" => 0));
// run 'authenticate' method and store as variable
$auth_response = $auth_client->authenticate();
// set WSDL for search and create new SOAP client
$search_url = "http://search.webofknowledge.com/esti/wokmws/ws/WokSearch?wsdl";
// array options are temporary and used to track request & response data in printout below
$search_client = @new SoapClient($search_url, array(
"trace" => 1,
"exceptions" => 0));
// call 'setCookie' method on '$search_client' storing SID (Session ID) as the response (value) given from the 'authenticate' method
$search_client->__setCookie('SID',$auth_response->return);
// print details of XML request and response data for Authentication exchange
print "<pre>\n";
print "<br />\n Request : ".htmlspecialchars($auth_client->__getLastRequest());
print "<br />\n Response: ".htmlspecialchars($auth_client->__getLastResponse());
print "</pre>";
// pass in relevant parameters for search, $_POSTed params from user entry
$search_array = array(
'queryParameters' => array(
'databaseId' => 'WOS',
'userQuery' => $_POST["type"].'='.$_POST["category"],
'editions' => array('collection' => 'WOS', 'edition' => 'SCI'),
'queryLanguage' => 'en'
),
'retrieveParameters' => array(
'count' => '5',
'sortField' => array(
array('name' => $_POST["sort"], 'sort' => 'D')
),
'firstRecord' => '1'
)
);
// try to store as a variable the 'search' method on the '$search_array' called on the SOAP client with associated SID
try {
$search_response = $search_client->search($search_array);
} catch (Exception $e) {
echo $e->getMessage();
};
echo "</br>SEARCH_RESPONSE: </br>";
print "<pre>\n";
print_r($search_response);
print "</pre>";
echo "</br>SEARCH_CLIENT: </br>";
print "<pre>\n";
print_r($search_client);
print "</pre>";
// extract the response from the Soap Client object
$string = htmlspecialchars($search_client->__getLastResponse());
echo "</br></br>EXTRACTED STRING: </br></br>";
print "<pre>\n";
print_r ($string);
print "</pre>";
// turn Soap Client object into SimpleXMLElement
$xml = new SimpleXMLElement($search_client->__getLastResponse());
// register the namespaces
$xml->registerXPathNamespace("ns1", "http://scientific.thomsonreuters.com/schema/wok5.4/public/FullRecord");
$xml->registerXPathNamespace("ns2", "http://woksearch.v3.wokmws.thomsonreuters.com");
$xml->registerXPathNamespace("soap", "http://schemas.xmlsoap.org/soap/envelope/");
// initiate the xpath
$xpath = "/soap:Envelope/soap:Body/ns2:searchResponse/return/records/ns1:records";
$result = $xml->xpath($xpath);
print_r($xml);
print_r($result);
這裏就是顯示在「結果」網絡當搜索服務處理頁面：
Request : <?xml version="1.0" encoding="UTF-8"?><SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ns1="http://auth.cxf.wokmws.thomsonreuters.com"><SOAP-ENV:Body><ns1:authenticate/></SOAP-ENV:Body></SOAP-ENV:Envelope>
Response: <soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"><soap:Body><ns2:authenticateResponse xmlns:ns2="http://auth.cxf.wokmws.thomsonreuters.com"><return>W9tJXpyEV4xrkbr6t19</return></ns2:authenticateResponse></soap:Body></soap:Envelope>
SEARCH_RESPONSE:
stdClass Object
(
[return] => stdClass Object
(
[queryId] => 1
[recordsFound] => 3673
[recordsSearched] => 38835281
[records] =>
<records xmlns="http://scientific.thomsonreuters.com/schema/wok5.4/public/FullRecord">
<REC r_id_disclaimer="Rese "... etc ... fier></identifiers></cluster_related></dynamic_data></REC>
</records>
)
)
SEARCH_CLIENT:
SoapClient Object
(
[trace] => 1
[_exceptions] =>
[_soap_version] => 1
[sdl] => Resource id #9
[_cookies] => Array
(
[SID] => Array
(
[0] => W9tJXpyEV4xrkbr6t19
)
)
[__last_request] => WOSTS=botanyWOSSCIen15RSD
[httpsocket] => Resource id #10
[_use_proxy] => 0
[httpurl] => Resource id #11
[__last_request_headers] => POST /esti/wokmws/ws/WokSearch HTTP/1.1
Host: search.webofknowledge.com
Connection: Keep-Alive
User-Agent: PHP-SOAP/5.5.9
Content-Type: text/xml; charset=utf-8
SOAPAction: ""
Content-Length: 588
Cookie: SID=W9tJXpyEV4xrkbr6t19;
[__last_response_headers] => HTTP/1.1 200 OK
Server: Apache-Coyote/1.1
Content-Type: text/xml;charset=UTF-8
Transfer-Encoding: chunked
Date: Thu, 28 Aug 2014 10:23:29 GMT
[__last_response] => 1367338835281<records xmlns="http://scientific.thomsonreuters.com/schema/wok5.4/public/FullRecord">
<REC r_id_disclaimer="Research " ... etc ... fier></identifiers></cluster_related></dynamic_data></REC>
</records>
)
EXTRACTED STRING:
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
<soap:Body>
<ns2:searchResponse xmlns:ns2="http://woksearch.v3.wokmws.thomsonreuters.com">
<return>
<queryId>1</queryId>
<recordsFound>3673</recordsFound>
<recordsSearched>38835281</recordsSearched>
<records><records xmlns="http://scientific.thomsonreuters.com/schema/wok5.4/public/FullRecord">
<REC r_id_disclaimer="ResearcherID data prov " ... etc ... ifiers></cluster_related></dynamic_data></REC>
</records></records>
</return>
</ns2:searchResponse>
</soap:Body>
</soap:Envelope>
SimpleXMLElement Object () Array ()
我感興趣的數據是在__last_response屬性Soap Client對象之內。包含在標籤中的數據是一條記錄，其中有許多其他數據字段（<title>,address,citations等）。
下的可變$string差不多的作品，但而SOAP信封顯示正確，它包圍XML數據與<更換所有<標籤法從這裏的數據。它僅用於打開標籤並僅用於第二個<records>標籤內的元素。
正如你可以看到當我試圖把它變成SimpleXMLElement它返回一個空的對象，並試圖返回$result中的數據使用XPath返回一個空的數組。
有沒有人有任何想法如何從SOAP響應中獲得所需的數據？
謝謝你的幫助。