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class SimpleXMLElement
{
string getNamespace(recursive)
}
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XML Îļþ£º

<?xml version="1.0" encoding="ISO-8859-1"?>
<note xmlns:b="http://www.w3school.com.cn/example/">
<to>George</to>
<from>John</from>
<heading>Reminder</heading>
<b:body>Don't forget the meeting!</b:body>
</note>

PHP ´úÂ룺

<?php
if (file_exists('test.xml'))
  {
  $xml = simplexml_load_file('test.xml');
  }

print_r($xml->getNamespaces());
?>

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Array
(
[b] => http://www.w3school.com.cn/example/
)
VUE