Returns namespaces used in document

# SimpleXMLElement::getNamespaces

(PHP 5 >= 5.1.2, PHP 7, PHP 8)

SimpleXMLElement::getNamespaces — Returns namespaces used in document

### Description

public SimpleXMLElement::getNamespaces(bool `$recursive` = `false`): array

Returns namespaces used in document

### Parameters

`recursive`

  If specified, returns all namespaces used in parent and child nodes. Otherwise, returns only namespaces used in root node.

### Return Values

The `getNamespaces` method returns an array of namespace names with their associated URIs.

### Examples

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);
?>`

The above example will output:

    array(1) {
      ["p"]=>
      string(21) "http://example.org/ns"
    }

### See Also

- SimpleXMLElement::getDocNamespaces() - Returns namespaces declared in document
- SimpleXMLElement::registerXPathNamespace() - Creates a prefix/ns context for the next XPath query

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