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供應商稍微更改了XML標題後發生了一件奇怪的事情。我曾經可以使用XPath閱讀的東西,但現在我甚至不能用PHP simplexml:爲什麼xpath停止工作?
$xml->xpath('/');
他們改變了它從這個答覆...
<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE NewsML SYSTEM "http://www.newsml.org/dl.php?fn=NewsML/1.2/specification/NewsML_1.2.dtd" [
<!ENTITY % nitf SYSTEM "http://www.nitf.org/IPTC/NITF/3.4/specification/dtd/nitf-3-4.dtd">
%nitf;
]>
<NewsML>
...
這樣:
<?xml version="1.0" encoding="iso-8859-1"?>
<NewsML
xmlns="http://iptc.org/std/NewsML/2003-10-10/"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://iptc.org/std/NewsML/2003-10-10/ http://www.iptc.org/std/NewsML/1.2/specification/NewsML_1.2.xsd http://iptc.org/std/NITF/2006-10-18/ http://contentdienst.pressetext.com/misc/nitf-3-4.xsd"
>
...
謝謝一堆!此外,似乎你必須在每個xpath請求之前註冊命名空間。如果你可以添加這個到你的答案,這將是完美的;) – 2008-12-09 09:18:07