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PHP XML

PHP XML

PHP XML Contents

PHP DOMNode Function lookupNamespaceURI
PHP DOMNode Function isSupported
PHP DOMNode Function isSameNode
PHP DOMNode Function insertBefore
PHP DOMNode Function hasChildNodes
PHP DOMNode Function hasAttributes
PHP DOMNode Function cloneNode
PHP DOMNodelist Function item
PHP DOMNamedNodeMap Function item
PHP DOMNamedNodeMap Function getNamedItemNS
PHP DOMNamedNodeMap Function getNamedItem
PHP DOMImplementation Function hasFeature
PHP DOMImplementation Function createDocumentType
PHP DOMImplementation Function createDocument
PHP DOMElement Function removeAttributeNS
PHP DOMElement Function removeAttributeNode
PHP DOMElement Function removeAttribute
PHP DOMElement Function hasAttributeNS
PHP DOMElement Function getAttribute
PHP DOMDocument Function getElementsByTagNameNS
 
 
By :Mark Wilson
I am the creator of TopXML. I am available for international and local (Australia) contracts. I am a Solution Architect/Business Analyst. I have worked in IT in several countries (NZ, Australia, South Africa, UK) building and training teams for government and very large non-governmental organizations. I am ex-Microsoft Consulting Services. I wrote the first book on Microsoft XML published in 2000 called XML Programming with VB and ASP. Most recently I have been building tools for the SEO industry. Ask me for a 37 point SEO health-checkup for your website.
First posted :03/24/2008
Times viewed :193
 

DOMNode Function lookupPrefix

PHP Version: (No version information might be only in CVS. I have used this function in PHP5)

Description

This function checks returns the namespace prefix associated with a node based on the namespace URI.

Usage:

stringDOMNode->lookupPrefix ( string namespaceURI)

Returns name space prefix of the node based on namespaceURI. This function does opposite to the lookupNamespaceURI function. Please see the example for more details.

PHP Code:

<?php

$xmlstr = <<<XML

<?xml version="1.0" encoding="UTF-8"?>

<employee xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="\xml_files\employee.xsd">

<employeename id="myId">test1</employeename>

<employeeaddress>testAddress1</employeeaddress>

<SSN>11111</SSN>

<company>XYZ Corporation</company>

</employee>

XML;

$dom = new domDocument;

//load the XML string into the DOM

$dom->loadXML($xmlstr);

//retrieve the first element with name employee

$employee = $dom->getElementsByTagName('employee')->item(0);

//retrieve the namespace base prefix for http://www.w3.org/2001/XMLSchema-instance URI.

$namespace = $employee->lookupPrefix('http://www.w3.org/2001/XMLSchema-instance');

echo "<HTML>";

echo "<Head>";

echo "<title>Example of DOMNode->lookupPrefix</title>";

echo "<Head>";

echo "<body>";

echo "<PRE>";

echo 'Namespace prefix for http://www.w3.org/2001/XMLSchema-instance URI :'.$namespace;

echo "</PRE>";

echo "</body>";

echo "</HTML>";

?>

Output:

The expected output would be:

Namespace prefix for http://www.w3.org/2001/XMLSchema-instance URI :xsi
 


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