PHP如何在foreach外部访问SimpleXMLElement对象变量
如果我有一个SimpleXMLElement对象在foreach循环内,那么如何在循环外访问它PHP如何在foreach外部访问SimpleXMLElement对象变量,php,xml,simplexml,Php,Xml,Simplexml,如果我有一个SimpleXMLElement对象在foreach循环内,那么如何在循环外访问它 $auth_tokens = array('tok1', 'tok2', 'tok3', 'tok4'); foreach($auth_tokens as $auth_token) { // 4 iterations in loop $response = curl_exec($connection); // API xml response $xml = simplexml_loa
$auth_tokens = array('tok1', 'tok2', 'tok3', 'tok4');
foreach($auth_tokens as $auth_token) { // 4 iterations in loop
$response = curl_exec($connection); // API xml response
$xml = simplexml_load_string($response); // loaded xml into object
}
echo header('content-type: text/xml');
echo $xml->asXML();
=
不起作用
[]
不起作用
更新:
下面是api xml$response
实际输出的内容。正如您所看到的,因为我正在查询4个auth令牌,所以每次迭代都是一个新的xml响应。当我尝试在循环之外访问它时,由于有多个
xml头,它无法工作
我卡住了。不知道如何将所有4个响应合并为一个
更新2:
Nick帮我弄明白了如何将所有4个响应放在一个xml文档中,但我需要编辑节点名称和值,当xml位于SimpleXMLElement对象中时,这很容易做到。所以我想我可以先在对象中操作数据,然后在操作完成后,将对象转换回xml并保存。但是我在访问循环外的对象时遇到了问题。这是因为有4个对象,而不仅仅是1个,所以=
没有保存数据
这是API在Iecho$response时输出的结果代码>并查看源代码。它只是纯xml
<?xml version="1.0" encoding="UTF-8"?>
<GetOrdersResponse xmlns="urn:ebay:apis:eBLBaseComponents">
<Timestamp>2018-10-26T16:04:38.375Z</Timestamp>
<Ack>Success</Ack>
<Version>1083</Version>
<Build>E1083_CORE_APIXO_18856776_R1</Build>
<PaginationResult>
<TotalNumberOfEntries>1</TotalNumberOfEntries>
</PaginationResult>
<OrderArray>
<Order>
<OrderID>11306025</OrderID>
<OrderStatus>Completed</OrderStatus>
<CreatedTime>2018-10-26T14:38:44.000Z</CreatedTime>
</Order>
</OrderArray>
</GetOrdersResponse>
<?xml version="1.0" encoding="UTF-8"?>
<GetOrdersResponse xmlns="urn:ebay:apis:eBLBaseComponents">
<Timestamp>2018-10-26T16:04:39.049Z</Timestamp>
<Ack>Success</Ack>
<Version>1083</Version>
<Build>E1083_CORE_APIXO_18856776_R1</Build>
<PaginationResult>
<TotalNumberOfEntries>3</TotalNumberOfEntries>
</PaginationResult>
<OrderArray>
<Order>
<OrderID>39168452</OrderID>
<OrderStatus>Completed</OrderStatus>
<CreatedTime>2018-10-26T14:38:53.000Z</CreatedTime>
</Order>
<Order>
<OrderID>37219192</OrderID>
<OrderStatus>Completed</OrderStatus>
<CreatedTime>2018-10-26T15:36:41.000Z</CreatedTime>
</Order>
<Order>
<OrderID>37198277</OrderID>
<OrderStatus>Completed</OrderStatus>
<CreatedTime>2018-10-26T15:35:01.000Z</CreatedTime>
</Order>
</OrderArray>
</GetOrdersResponse>
<?xml version="1.0" encoding="UTF-8"?>
<GetOrdersResponse xmlns="urn:ebay:apis:eBLBaseComponents">
<Timestamp>2018-10-26T16:04:39.454Z</Timestamp>
<Ack>Success</Ack>
<Version>1083</Version>
<Build>E1083_CORE_APIXO_18856776_R1</Build>
<PaginationResult>
<TotalNumberOfEntries>2</TotalNumberOfEntries>
</PaginationResult>
<OrderArray>
<Order>
<OrderID>16283499</OrderID>
<OrderStatus>Completed</OrderStatus>
<CreatedTime>2018-10-26T15:13:21.000Z</CreatedTime>
</Order>
<Order>
<OrderID>16283499</OrderID>
<OrderStatus>Completed</OrderStatus>
<CreatedTime>2018-10-26T15:36:40.000Z</CreatedTime>
</Order>
</OrderArray>
</GetOrdersResponse>
<?xml version="1.0" encoding="UTF-8"?>
<GetOrdersResponse xmlns="urn:ebay:apis:eBLBaseComponents">
<Timestamp>2018-10-26T16:04:39.782Z</Timestamp>
<Ack>Success</Ack>
<Version>1083</Version>
<Build>E1083_CORE_APIXO_18856776_R1</Build>
<PaginationResult>
<TotalNumberOfEntries>1</TotalNumberOfEntries>
</PaginationResult>
<OrderArray>
<Order>
<OrderID>26348797</OrderID>
<OrderStatus>Completed</OrderStatus>
<CreatedTime>2018-10-26T15:40:25.000Z</CreatedTime>
</Order>
</OrderArray>
</GetOrdersResponse>
如果我使用$xml=simplexml\u load\u string($response)和var\u dump($xml)代码>,4个对象获得输出
object(SimpleXMLElement)#1 (6) {
["Timestamp"]=>
string(24) "2018-10-26T16:32:21.048Z"
["Ack"]=>
string(7) "Success"
["Version"]=>
string(4) "1083"
["Build"]=>
string(28) "E1083_CORE_APIXO_18856776_R1"
["PaginationResult"]=>
object(SimpleXMLElement)#2 (1) {
["TotalNumberOfEntries"]=>
string(1) "1"
}
["OrderArray"]=>
object(SimpleXMLElement)#3 (1) {
["Order"]=>
object(SimpleXMLElement)#4 (3) {
["OrderID"]=>
string(26) "11306025"
["OrderStatus"]=>
string(9) "Completed"
["CreatedTime"]=>
string(24) "2018-10-26T14:38:44.000Z"
}
}
}
object(SimpleXMLElement)#3 (6) {
["Timestamp"]=>
string(24) "2018-10-26T16:32:21.736Z"
["Ack"]=>
string(7) "Success"
["Version"]=>
string(4) "1083"
["Build"]=>
string(28) "E1083_CORE_APIXO_18856776_R1"
["PaginationResult"]=>
object(SimpleXMLElement)#1 (1) {
["TotalNumberOfEntries"]=>
string(1) "4"
}
["OrderArray"]=>
object(SimpleXMLElement)#2 (1) {
["Order"]=>
array(4) {
[0]=>
object(SimpleXMLElement)#4 (3) {
["OrderID"]=>
string(25) "39168452"
["OrderStatus"]=>
string(9) "Completed"
["CreatedTime"]=>
string(24) "2018-10-26T14:38:53.000Z"
}
[1]=>
object(SimpleXMLElement)#5 (3) {
["OrderID"]=>
string(26) "37219192"
["OrderStatus"]=>
string(9) "Completed"
["CreatedTime"]=>
string(24) "2018-10-26T15:36:41.000Z"
}
[2]=>
object(SimpleXMLElement)#6 (3) {
["OrderID"]=>
string(26) "37198277"
["OrderStatus"]=>
string(9) "Completed"
["CreatedTime"]=>
string(24) "2018-10-26T15:35:01.000Z"
}
[3]=>
object(SimpleXMLElement)#7 (3) {
["OrderID"]=>
string(26) "37185515"
["OrderStatus"]=>
string(9) "Completed"
["CreatedTime"]=>
string(24) "2018-10-26T16:24:19.000Z"
}
}
}
}
object(SimpleXMLElement)#2 (6) {
["Timestamp"]=>
string(24) "2018-10-26T16:32:22.529Z"
["Ack"]=>
string(7) "Success"
["Version"]=>
string(4) "1083"
["Build"]=>
string(28) "E1083_CORE_APIXO_18856776_R1"
["PaginationResult"]=>
object(SimpleXMLElement)#3 (1) {
["TotalNumberOfEntries"]=>
string(1) "3"
}
["OrderArray"]=>
object(SimpleXMLElement)#1 (1) {
["Order"]=>
array(3) {
[0]=>
object(SimpleXMLElement)#7 (3) {
["OrderID"]=>
string(26) "16283499"
["OrderStatus"]=>
string(9) "Completed"
["CreatedTime"]=>
string(24) "2018-10-26T15:13:21.000Z"
}
[1]=>
object(SimpleXMLElement)#6 (3) {
["OrderID"]=>
string(26) "16283499"
["OrderStatus"]=>
string(9) "Completed"
["CreatedTime"]=>
string(24) "2018-10-26T15:36:40.000Z"
}
[2]=>
object(SimpleXMLElement)#5 (3) {
["OrderID"]=>
string(26) "16275107"
["OrderStatus"]=>
string(9) "Completed"
["CreatedTime"]=>
string(24) "2018-10-26T16:09:40.000Z"
}
}
}
}
object(SimpleXMLElement)#1 (6) {
["Timestamp"]=>
string(24) "2018-10-26T16:32:22.751Z"
["Ack"]=>
string(7) "Success"
["Version"]=>
string(4) "1083"
["Build"]=>
string(28) "E1083_CORE_APIXO_18856776_R1"
["PaginationResult"]=>
object(SimpleXMLElement)#2 (1) {
["TotalNumberOfEntries"]=>
string(1) "1"
}
["OrderArray"]=>
object(SimpleXMLElement)#3 (1) {
["Order"]=>
object(SimpleXMLElement)#5 (3) {
["OrderID"]=>
string(26) "26348797"
["OrderStatus"]=>
string(9) "Completed"
["CreatedTime"]=>
string(24) "2018-10-26T15:40:25.000Z"
}
}
}
这就是当Iecho'
SimpleXMLElement::__set_state(array(
'Timestamp' => '2018-10-26T16:36:41.377Z',
'Ack' => 'Success',
'Version' => '1083',
'Build' => 'E1083_CORE_APIXO_18856776_R1',
'PaginationResult' =>
SimpleXMLElement::__set_state(array(
'TotalNumberOfEntries' => '1',
)),
'OrderArray' =>
SimpleXMLElement::__set_state(array(
'Order' =>
SimpleXMLElement::__set_state(array(
'OrderID' => '11306025',
'OrderStatus' => 'Completed',
'CreatedTime' => '2018-10-26T14:38:44.000Z',
)),
)),
))
SimpleXMLElement::__set_state(array(
'Timestamp' => '2018-10-26T16:36:43.083Z',
'Ack' => 'Success',
'Version' => '1083',
'Build' => 'E1083_CORE_APIXO_18856776_R1',
'PaginationResult' =>
SimpleXMLElement::__set_state(array(
'TotalNumberOfEntries' => '4',
)),
'OrderArray' =>
SimpleXMLElement::__set_state(array(
'Order' =>
array (
0 =>
SimpleXMLElement::__set_state(array(
'OrderID' => '39168452',
'OrderStatus' => 'Completed',
'CreatedTime' => '2018-10-26T14:38:53.000Z',
)),
1 =>
SimpleXMLElement::__set_state(array(
'OrderID' => '37219192',
'OrderStatus' => 'Completed',
'CreatedTime' => '2018-10-26T15:36:41.000Z',
)),
2 =>
SimpleXMLElement::__set_state(array(
'OrderID' => '37198277',
'OrderStatus' => 'Completed',
'CreatedTime' => '2018-10-26T15:35:01.000Z',
)),
3 =>
SimpleXMLElement::__set_state(array(
'OrderID' => '37185515',
'OrderStatus' => 'Completed',
'CreatedTime' => '2018-10-26T16:24:19.000Z',
)),
),
)),
))
SimpleXMLElement::__set_state(array(
'Timestamp' => '2018-10-26T16:36:43.783Z',
'Ack' => 'Success',
'Version' => '1083',
'Build' => 'E1083_CORE_APIXO_18856776_R1',
'PaginationResult' =>
SimpleXMLElement::__set_state(array(
'TotalNumberOfEntries' => '4',
)),
'OrderArray' =>
SimpleXMLElement::__set_state(array(
'Order' =>
array (
0 =>
SimpleXMLElement::__set_state(array(
'OrderID' => '16283499',
'OrderStatus' => 'Completed',
'CreatedTime' => '2018-10-26T15:13:21.000Z',
)),
1 =>
SimpleXMLElement::__set_state(array(
'OrderID' => '16283499',
'OrderStatus' => 'Completed',
'CreatedTime' => '2018-10-26T15:36:40.000Z',
)),
2 =>
SimpleXMLElement::__set_state(array(
'OrderID' => '16275107',
'OrderStatus' => 'Completed',
'CreatedTime' => '2018-10-26T16:09:40.000Z',
)),
3 =>
SimpleXMLElement::__set_state(array(
'OrderID' => '16258277',
'OrderStatus' => 'Completed',
'CreatedTime' => '2018-10-26T16:36:19.000Z',
)),
),
)),
))
SimpleXMLElement::__set_state(array(
'Timestamp' => '2018-10-26T16:36:44.157Z',
'Ack' => 'Success',
'Version' => '1083',
'Build' => 'E1083_CORE_APIXO_18856776_R1',
'PaginationResult' =>
SimpleXMLElement::__set_state(array(
'TotalNumberOfEntries' => '1',
)),
'OrderArray' =>
SimpleXMLElement::__set_state(array(
'Order' =>
SimpleXMLElement::__set_state(array(
'OrderID' => '26348797',
'OrderStatus' => 'Completed',
'CreatedTime' => '2018-10-26T15:40:25.000Z',
)),
)),
))
这就是当我使用这个echo头('content-type:text/xml')时得到的输出;echo$xml->asXML()代码>在循环内部
foreach($auth_tokens as $key => $auth_token) {
$responses = curl_exec($connection);
$xml = simplexml_load_string($responses);
curl_close($connection);
$entries = $xml->PaginationResult->TotalNumberOfEntries;
$xml = $xml->OrderArray->Order;
if($entries == 0) {
continue;
} else {
foreach($xml as $key => $val) {
$val->Test = substr($val->OrderStatus, 0, 3) . $val->OrderID; // changes the <OrderID> node from <OrderID> to <Test> and appends the first 3 charachters from <OrderStatus> value to the <Test> value
unset($val->OrderID); // deletes the now empty <OrderID> node
} // end foreach
}
echo header('content-type: text/xml');
echo $xml->asXML();
} // end foreach
2018-10-26T16:42:57.532Z
成功
1083
E1083_CORE_APIXO_18856776_R1
1.
11306025
完整的
2018-10-26T14:38:44.000Z
2018-10-26T16:42:58.218Z
成功
1083
E1083_CORE_APIXO_18856776_R1
4.
39168452
完整的
2018-10-26T14:38:53.000Z
37219192
完整的
2018-10-26T15:36:41.000Z
37198277
完整的
2018-10-26T15:35:01.000Z
37185515
完整的
2018-10-26T16:24:19.000Z
2018-10-26T16:42:58.861Z
成功
1083
E1083_CORE_APIXO_18856776_R1
4.
16283499
完整的
2018-10-26T15:13:21.000Z
16283499
完整的
2018-10-26T15:36:40.000Z
16275107
完整的
2018-10-26T16:09:40.000Z
16258277
完整的
2018-10-26T16:36:19.000Z
2018-10-26T16:42:59.253Z
成功
1083
E1083_CORE_APIXO_18856776_R1
1.
26348797
完整的
2018-10-26T15:40:25.000Z
我需要的是更改所有
节点以显示
,并将其附加到其中的值,我就是这样做的
<Order>
<OrderStatus>Completed</OrderStatus>
<CreatedTime>2018-10-26T15:36:41.000Z</CreatedTime>
<Test>Com372191926</Test>
</Order>
<Order>
<OrderStatus>Completed</OrderStatus>
<CreatedTime>2018-10-26T15:13:21.000Z</CreatedTime>
<Test>Com16283499</Test>
</Order>
<Order>
<OrderStatus>Completed</OrderStatus>
<CreatedTime>2018-10-26T15:40:25.000Z</CreatedTime>
<Test>Com26348797</Test>
</Order>
foreach($auth\u令牌作为$key=>$auth\u令牌){
$responses=curl\u exec($connection);
$xml=simplexml\u load\u字符串($responses);
旋涡关闭($连接);
$entries=$xml->PaginationResult->TotalNumberOfEntries;
$xml=$xml->OrderArray->Order;
如果($entries==0){
继续;
}否则{
foreach($xml作为$key=>$val){
$val->Test=substr($val->OrderStatus,0,3)。$val->OrderID;//将节点从更改为,并将前3个字符从value追加到value
unset($val->OrderID);//删除现在为空的节点
}//结束foreach
}
echo头('content-type:text/xml');
echo$xml->asXML();
}//结束foreach
这正好输出了我所需要的,除了它只需要一个环绕在它周围的父节点,并且它只从每个响应输出一个顺序
$auth_tokens = array('tok1', 'tok2', 'tok3', 'tok4');
$xmlstr = '';
foreach($auth_tokens as $auth_token) { // 4 iterations in loop
$response = curl_exec($connection); // API xml response
$xmlstr .= $response; // add response to XML
}
$xml = simplexml_load_string("<Orders>$xmlstr</Orders>");
header('content-type: text/xml');
echo $xml->asXML();
完整的
2018-10-26T15:36:41.000Z
Com372191926
完整的
2018-10-26T15:13:21.000Z
Com16283499
完整的
2018-10-26T15:40:25.000Z
Com26348797
但我似乎无法在这一点上获得父节点,因为我无法成功地保存此数据并在foreach循环之外访问它。我好近啊 您可以尝试以下方法,将响应聚合为XML字符串,然后在转换之前将其包装到根元素中:
$xmlstr .= preg_replace('/<\?xml[^>]*>/', '', $response);
“正确”的修复方法是单独处理XML响应,并将它们作为子项添加到根文档中。可以使用DomDocument
:
foreach($auth_tokens as $key => $auth_token) { // 4 iterations in loop
$responses = curl_exec($connection); // API xml response
$xml = simplexml_load_string($responses); // loaded xml into SimpleXMLElement object
curl_close($connection);
$entries = $xml->PaginationResult->TotalNumberOfEntries;
$xml = $xml->OrderArray->Order; // Just get the Order elements
if($entries == 0) {
continue;
} else {
foreach($xml as $key => $val) {
$val->Test = substr($val->OrderStatus, 0, 3) . $val->OrderID; // changes the <OrderID> node from <OrderID> to <Test> and appends the first 3 charachters from <OrderStatus> value to the <Test> value
unset($val->OrderID); // deletes the <OrderID> node
$orders .= $val->asXML(); // concatenate here in child loop instead of parent foreach
} // end child foreach
}
} // end parent foreach
$xml = new DomDocument('1.0', 'utf-8');
$xml->preserveWhiteSpace = false;
$xml->formatOutput = true;
$xml->loadXML('<Orders>' . $orders . '</Orders>'); // able to add my parent node <orders></Orders>
$xml->save('test.xml', LIBXML_NOEMPTYTAG); // saves xml to file
header('content-type: text/xml');
echo $xml->saveXML(); // saves xml for display
$xml=newDOMDocument();
$xml->loadXML(“”);
$xmlroot=$xml->documentElement;
$respdoc=新的DomDocument();
foreach($auth_令牌作为$auth_令牌){//4次循环迭代
$response=curl_exec($connection);//API xml响应
$respdoc->loadXML($response);//创建一个domDocument
$resproot=$respdoc->documentElement;//获取根元素
$resproot=$xml->importNode($resproot,true);//导入到xml
$xmlroot->appendChild($resproot);
}
标题('content-type:text/xml');
echo$xml->saveXML();
您可以尝试以下方法,将响应聚合为XML字符串,然后在转换之前将其包装到根元素中:
$xmlstr .= preg_replace('/<\?xml[^>]*>/', '', $response);
“正确”的修复方法是单独处理XML响应,并将它们作为子项添加到根文档中。可以使用DomDocument
:
foreach($auth_tokens as $key => $auth_token) { // 4 iterations in loop
$responses = curl_exec($connection); // API xml response
$xml = simplexml_load_string($responses); // loaded xml into SimpleXMLElement object
curl_close($connection);
$entries = $xml->PaginationResult->TotalNumberOfEntries;
$xml = $xml->OrderArray->Order; // Just get the Order elements
if($entries == 0) {
continue;
} else {
foreach($xml as $key => $val) {
$val->Test = substr($val->OrderStatus, 0, 3) . $val->OrderID; // changes the <OrderID> node from <OrderID> to <Test> and appends the first 3 charachters from <OrderStatus> value to the <Test> value
unset($val->OrderID); // deletes the <OrderID> node
$orders .= $val->asXML(); // concatenate here in child loop instead of parent foreach
} // end child foreach
}
} // end parent foreach
$xml = new DomDocument('1.0', 'utf-8');
$xml->preserveWhiteSpace = false;
$xml->formatOutput = true;
$xml->loadXML('<Orders>' . $orders . '</Orders>'); // able to add my parent node <orders></Orders>
$xml->save('test.xml', LIBXML_NOEMPTYTAG); // saves xml to file
header('content-type: text/xml');
echo $xml->saveXML(); // saves xml for display
$xml=newDOMDocument();
$xml->loadXML(“”);
$xmlroot=$xml->documentElement;
$respdoc=新的DomDocument();
foreach($auth_令牌作为$auth_令牌){//4次循环迭代
$response=curl_exec($connection);//API xml响应
$respdoc->loadXML($response);//创建一个domDocument
$resproot=$respdoc->documentElement;//获取根元素
$resproot=$xml->importNode($resproot,true);//导入到xml
$xmlroot->appendChild($resproot);
}
标题('content-type:text/xml');
echo$xml->saveXML();
I菲古
foreach($auth_tokens as $key => $auth_token) { // 4 iterations in loop
$responses = curl_exec($connection); // API xml response
$xml = simplexml_load_string($responses); // loaded xml into SimpleXMLElement object
curl_close($connection);
$entries = $xml->PaginationResult->TotalNumberOfEntries;
$xml = $xml->OrderArray->Order; // Just get the Order elements
if($entries == 0) {
continue;
} else {
foreach($xml as $key => $val) {
$val->Test = substr($val->OrderStatus, 0, 3) . $val->OrderID; // changes the <OrderID> node from <OrderID> to <Test> and appends the first 3 charachters from <OrderStatus> value to the <Test> value
unset($val->OrderID); // deletes the <OrderID> node
$orders .= $val->asXML(); // concatenate here in child loop instead of parent foreach
} // end child foreach
}
} // end parent foreach
$xml = new DomDocument('1.0', 'utf-8');
$xml->preserveWhiteSpace = false;
$xml->formatOutput = true;
$xml->loadXML('<Orders>' . $orders . '</Orders>'); // able to add my parent node <orders></Orders>
$xml->save('test.xml', LIBXML_NOEMPTYTAG); // saves xml to file
header('content-type: text/xml');
echo $xml->saveXML(); // saves xml for display
<?xml version="1.0"?>
<Orders>
<Order>
<OrderStatus>Completed</OrderStatus>
<CreatedTime>2018-10-26T15:36:41.000Z</CreatedTime>
<Test>Com10789</Test>
</Order>
<Order>
<OrderStatus>Completed</OrderStatus>
<CreatedTime>2018-10-26T15:13:21.000Z</CreatedTime>
<Test>Com10790</Test>
</Order>
<Order>
<OrderStatus>Completed</OrderStatus>
<CreatedTime>2018-10-26T15:40:25.000Z</CreatedTime>
<Test>Com141570</Test>
</Order>
<Order>
<OrderStatus>Completed</OrderStatus>
<CreatedTime>2018-10-26T15:36:41.000Z</CreatedTime>
<Test>Com141571</Test>
</Order>
<Order>
<OrderStatus>Completed</OrderStatus>
<CreatedTime>2018-10-26T15:13:21.000Z</CreatedTime>
<Test>Com141572</Test>
</Order>
<Order>
<OrderStatus>Completed</OrderStatus>
<CreatedTime>2018-10-26T15:36:41.000Z</CreatedTime>
<Test>Com19992</Test>
</Order>
<Order>
<OrderStatus>Completed</OrderStatus>
<CreatedTime>2018-10-26T15:40:25.000Z</CreatedTime>
<Test>Com19993</Test>
</Order>
</Orders>