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php - 我如何用 PHP 解析 XML?

转载 作者:数据小太阳 更新时间:2023-10-29 02:58:34 24 4
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我正在尝试使用此处显示的 PHP 代码解析下面的 XML,但在它运行时我最终得到一个空白屏幕。我一直在 stackoverflow 上四处寻找类似的问题和其他类似的回复,但我仍然无法让它工作。

    <?php
$url = 'xml-file.xml';
$xml = simplexml_load_file($url);

// get first book title
$title=$xml->entry[0]->name;
// show title
echo $title;
echo '<br/>';
// get second book title
$title=$xml->entry[1]->name;
// show title
echo $title;
echo '<br/>';
?>

这是 XML:

   <?xml version="1.0" encoding="UTF-8"?>
<feed gd:kind="shopping#products" gd:etag="&quot;lm_25heFT8yiumci9EH1kItJBpg/bXZf0ylJ3aJceGcE1I8C1fJbzgo&quot;" xmlns="http://www.w3.org/2005/Atom" xmlns:gd="http://schemas.google.com/g/2005" xmlns:openSearch="http://a9.com/-/spec/opensearchrss/1.0/" xmlns:s="http://www.google.com/shopping/api/schemas/2010">
<id>tag:google.com,2010:shopping/products</id>
<updated>2012-01-27T13:41:20.177Z</updated>
<title>Shopping Products</title>
<generator version="v1" uri="https://www.googleapis.com/shopping/search/">Search API for Shopping</generator>
<link rel="alternate" type="text/html" href="https://www.googleapis.com/shopping/search/"/>
<link rel="http://schemas.google.com/g/2005#feed" type="application/atom+xml" href="https://www.googleapis.com/shopping/search/v1/public/products?alt=atom"/>
<link rel="self" type="application/atom+xml" href="https://www.googleapis.com/shopping/search/v1/public/products?country=US&amp;q=digital+camera&amp;alt=atom&amp;startIndex=1&amp;maxResults=25"/>
<link rel="next" type="application/atom+xml" href="https://www.googleapis.com/shopping/search/v1/public/products?country=US&amp;q=digital+camera&amp;alt=atom&amp;startIndex=26&amp;maxResults=25"/>
<link rel="previous" type="application/atom+xml"/>
<openSearch:totalResults>6446790</openSearch:totalResults>
<openSearch:startIndex>1</openSearch:startIndex>
<openSearch:itemsPerPage>25</openSearch:itemsPerPage>


<entry gd:kind="shopping#product">>
<id>tag:google.com,2010:shopping/products/2860562/9400569674928563633</id>
<author>
<name>Amazon.com</name>
</author>
<published>2010-08-19T05:50:21.000Z</published>
<updated>2012-01-26T23:54:26.000Z</updated>
<title>Canon powershot s95 10 mp digital camera with 3.8x wide angle optical image stabilized zoom and 3.0-inch lcd</title>
<content type="text">desc</content>
<link rel="alternate" type="text/html" href="https://rads.stackoverflow.com/amzn/click/com/B003ZSHNGS" rel="nofollow noreferrer"/>
<link rel="self" type="application/atom+xml" href="https://www.googleapis.com/shopping/search/v1/public/products/2860562/gid/9400569674928563633?alt=atom"/>
<s:product>
<s:googleId>9400569674928563633</s:googleId>
<s:author>
<s:name>Amazon.com</s:name>
<s:accountId>2860562</s:accountId>
</s:author>
<s:creationTime>2010-08-19T05:50:21.000Z</s:creationTime>
<s:modificationTime>2012-01-26T23:54:26.000Z</s:modificationTime>
<s:country>US</s:country>
<s:language>en</s:language>
<s:title>Canon powershot s95 10 mp digital camera with 3.8x wide angle optical image stabilized zoom and 3.0-inch lcd</s:title>
<s:description>desc</s:description>
<s:link>http://www.amazon.com/Canon-PowerShot-S95-Stabilized-3-0-Inch/dp/B003ZSHNGS</s:link>
<s:brand>Canon</s:brand>
<s:condition>new</s:condition>
<s:gtin>00013803126556</s:gtin>
<s:gtins>
<s:gtin>00013803126556</s:gtin>
</s:gtins>
<s:inventories>
<s:inventory channel="online" availability="inStock">
<s:price shipping="0.0" currency="USD">340.41</s:price>
</s:inventory>
</s:inventories>
<s:images>
<s:image link="http://ecx.images-amazon.com/images/I/519z3AjKzHL._SL500_AA300_.jpg"/>
</s:images>
</s:product>
</entry>

<entry gd:kind="shopping#product">
<id>tag:google.com,2010:shopping/products/2860562/12997829348635087420</id>
<author>
<name>Amazon.com</name>
</author>
<published>2010-09-14T13:18:12.000Z</published>
<updated>2012-01-26T23:07:30.000Z</updated>
<title>Canon g12 10 mp digital camera with 5x optical image stabilized zoom and 2.8 inch vari-angle lcd</title>
<content type="text">desc</content>
<link rel="alternate" type="text/html" href="https://rads.stackoverflow.com/amzn/click/com/B0041RSPRS" rel="nofollow noreferrer"/>
<link rel="self" type="application/atom+xml" href="https://www.googleapis.com/shopping/search/v1/public/products/2860562/gid/12997829348635087420?alt=atom"/>
<s:product>
<s:googleId>12997829348635087420</s:googleId>
<s:author>
<s:name>Amazon.com</s:name>
<s:accountId>2860562</s:accountId>
</s:author>
<s:creationTime>2010-09-14T13:18:12.000Z</s:creationTime>
<s:modificationTime>2012-01-26T23:07:30.000Z</s:modificationTime>
<s:country>US</s:country>
<s:language>en</s:language>
<s:title>Canon g12 10 mp digital camera with 5x optical image stabilized zoom and 2.8 inch vari-angle lcd</s:title>
<s:description>desc</s:description>
<s:link>http://www.amazon.com/Canon-G12-Digital-Stabilized-Vari- Angle/dp/B0041RSPRS</s:link>
<s:brand>Canon</s:brand>
<s:condition>new</s:condition>
<s:gtin>00013803126815</s:gtin>
<s:gtins>
<s:gtin>00013803126815</s:gtin>
</s:gtins>
<s:inventories>
<s:inventory channel="online" availability="inStock">
<s:price shipping="0.0" currency="USD">395.95</s:price>
</s:inventory>
</s:inventories>
<s:images>
<s:image link="http://ecx.images-amazon.com/images/I/516mn5voF0L._SL500_AA300_.jpg"/>
</s:images>
</s:product>
</entry>


</feed>

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