使用PHP SimpleXMLElement将XML解析为HTML [英] Parse XML to HTML with PHP SimpleXMLElement

问题描述

我正在阅读关于SimpleXMLElement的内容，并且我构建了一个PHP页面来解析这个XML：

 <？xml version ='1.0'？> 
< AdXML> 
 
<回应> 
< Campaign> 
<概述> 
<名称>带< /名称> 
<说明>类别< /说明> 
<状态> L< /状态> 
< /概览> 
<网页> 
< Url> page01< / Url> 
< Url> page02< / Url> 
< Url> page03< / Url> 
< / Pages> 
< / Campaign> 
< / Response> 
< / AdXML> 
  

标签Pages可以有任意数量的标签Url，其他标签可能只有一个值，例如标签Name。

阅读SimpleXMLElement，我得到了以下代码：

  $ xmlparsed = new SimpleXMLElement（$ xml）; //我的xml被作为变量发送
  

要显示单个值，我使用下面的代码问题：

 <？php echo $ xmlparsed-> Response [0]  - > Campaign [0]  - >概述[0]  - >名称;>？ 
  

一切正常。但是当我尝试用多行解析一个标签时，我只得到一行，每次刷新页面时，都会给我一个不同的url值。这是我使用的代码：

 <？php foreach（$ xmlparsed-> Response-> Campaign-> ; Pages as $ Pages）{echo $ Pages-> Url，PHP_EOL;}？> 
  

根据PHP的网站： http://php.net/manual/en/simplexml.examples-basic.php 这应该可以工作，但事实并非如此。 p>

由于我不熟悉PHP，因此我正在以试错方式测试代码。

什么是我在这里做错了吗？

在此先感谢您的帮助。

解决方案

您只有一个 Pages code> foreach 一次。尝试循环 url 。

  $ xml =< ;? xml version ='1.0'？> 
< AdXML> 
 
<回应> 
< Campaign> 
<概览> 
< ;名称> strip< / Name> 
< /概述> 
<描述>类别< /描述> 
<状态> L<页> ; 
< Url> page01< / Url> 
< Url> page02< / Url> 
< Url> page03< / Url> 
< / Pages> 
< / Campaign> 
< / Response> 
< / AdXML>; 
 $ xmlparsed = new SimpleXMLElement（$ xml）; 
 foreach（$ xmlparsed-> Response-> Campaign-> Pages-> Url as $ url）{
 echo $ url，PHP_EOL; 
} 
  

输出：

  page01 
 page02 
 page03 
  

I am having some issues with SimpleXMLElement that I was hoping to get some help.

I was reading about SimpleXMLElement and I built a PHP page to parse this XML:

<?xml version='1.0'?>
<AdXML>

<Response>
    <Campaign>
        <Overview>
            <Name>strip</Name>
                <Description>category</Description>
                <Status>L</Status>
        </Overview>
        <Pages>
            <Url>page01</Url>
            <Url>page02</Url>
            <Url>page03</Url>
        </Pages>
    </Campaign>
</Response>
</AdXML>

Tag "Pages" can have any number of tags "Url" other tags might have only one value, like the tag "Name" for example.

Reading about SimpleXMLElement I ended up with the following code:

$xmlparsed = new SimpleXMLElement($xml); //my xml is being sent as variable

To display single values I am using the code below without a problem:

<?php echo $xmlparsed->Response[0]->Campaign[0]->Overview[0]->Name;?>

Everything works fine. But when I try to parse a tag with multiple lines I get only one line, and everytime I refresh the page it gives me a different "url" value. This is the code I am using:

<?php foreach ($xmlparsed->Response->Campaign->Pages as $Pages) {echo $Pages->Url, PHP_EOL;} ?>

According to PHP's site: http://php.net/manual/en/simplexml.examples-basic.php this should work, but it isn't.

Since I am not expert on PHP I am testing code on a trial-and-error basis.

What am I doing wrong here?

thanks in advance for any help.

解决方案

You only have one Pages so you are only entering that foreach once. Try looping on the urls.

$xml = "<?xml version='1.0'?>
<AdXML>

<Response>
    <Campaign>
        <Overview>
            <Name>strip</Name>
                <Description>category</Description>
                <Status>L</Status>
        </Overview>
        <Pages>
            <Url>page01</Url>
            <Url>page02</Url>
            <Url>page03</Url>
        </Pages>
    </Campaign>
</Response>
</AdXML>";
$xmlparsed = new SimpleXMLElement($xml);
foreach ($xmlparsed->Response->Campaign->Pages->Url as $url) {
    echo $url, PHP_EOL;
}

Output:

page01
page02
page03

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