SimpleXMLElement::getNamespaces
(PHP 5 >= 5.1.2, PHP 7)
SimpleXMLElement::getNamespaces — Returns namespaces used in document
说明
public
SimpleXMLElement::getNamespaces ([
bool
$recursive = FALSE ] ) :
array
Returns namespaces used in document
参数
-
recursive -
If specified, returns all namespaces used in parent and child nodes. Otherwise, returns only namespaces used in root node.
返回值
The getNamespaces method returns an array of namespace names with their associated URIs.
范例
Example #1 Get document namespaces in use
<?php
$xml = <<<XML
<?xml version="1.0" standalone="yes"?>
<people xmlns:p="http://example.org/ns" xmlns:t="http://example.org/test">
<p:person id="1">John Doe</p:person>
<p:person id="2">Susie Q. Public</p:person>
</people>
XML;
$sxe = new SimpleXMLElement($xml);
$namespaces = $sxe->getNamespaces(true);
var_dump($namespaces);
?>
以上例程会输出：
array(1) {
["p"]=>
string(21) "http://example.org/ns"
}
参见
- SimpleXMLElement::getDocNamespaces() - Returns namespaces declared in document
- SimpleXMLElement::registerXPathNamespace() - Creates a prefix/ns context for the next XPath query
