It creates a namespace context for the next XPath query

Example

<?php
$xml = simplexml_load_file(“test.xml”);
$xml->registerXPathNamespace(“msg”,”http://www.phpcodez.com”);
$result = $xml->xpath(“msg:web”);
?>

XML

<?xml version=”1.0″ encoding=”ISO-8859-1″?>
<web>
<server ver=”5″>Apache</server>
<lan>PHP</lan>
<client>Javascript</client>
</web>

It returns the namespaces from XML data

Example

<?php
$xml = simplexml_load_file(‘test.xml’);
echo “<pre>”;

print_r($xml->getNamespace());

?>

Output

Array
(
[b] => http://www.phpcodez.come/
)

XML

<?xml version=”1.0″ encoding=”ISO-8859-1″?>
<web xmlns:b=”http://www.phpcodez.com/”>
<server ver=”5″>Apache</server>
<lan>PHP</lan>
<client>Javascript</client>
</web>

It returns the name of a SimpleXML element

Example

<?php
$xml = simplexml_load_file(‘test.xml’);
echo $xml->getName() ;
?>

Output

web

XML

<?xml version=”1.0″ encoding=”ISO-8859-1″?>
<web xmlns:b=”http://www.phpcodez.com/”>
<server ver=”5″>Apache</server>
<lan>PHP</lan>
<client>Javascript</client>
</web>

It returns the children of a specified node

Example

<?php
$xml = simplexml_load_file(‘test.xml’);
echo “<pre>”;
print_r($xml->getDocNamespaces());
?>

Output

Array
(
[b] => http://www.phpcodez.com/

XML

<?xml version=”1.0″ encoding=”ISO-8859-1″?>
<web xmlns:b=”http://www.phpcodez.com/”>
<server ver=”5″>Apache</server>
<lan>PHP</lan>
<client>Javascript</client>
</web>

It returns the children of a specified node

Example

<?php
$xml = simplexml_load_file(“test.xml”);
echo “<pre>”;
print_r($xml->children());
?>

Output

SimpleXMLElement Object
(
[server] => Apache
[lan] => PHP
[client] => Javascript
)

XML

<?xml version=”1.0″ encoding=”ISO-8859-1″?>
<web>
<server ver=”5″>Apache</server>
<lan>PHP</lan>
<client>Javascript</client>
</web>

It returns a SimpleXML element’s attributes

Example

<?php
$xml = simplexml_load_file(“test.xml”);
foreach($xml->server[0]->attributes() as $a => $b) {
echo $a;
}
?>

Output

ver

XML

<?xml version=”1.0″ encoding=”ISO-8859-1″?>
<web>
<server ver=”5″>Apache</server>
<lan>PHP</lan>
<client>Javascript</client>
</web>

It returns XML string from a SimpleXML element

Example

<?php
$xml = simplexml_load_file(‘test.xml’);
echo $xml->asXML();
?>

Output

Apache PHP Javascript

XML

<?xml version=”1.0″ encoding=”ISO-8859-1″?>
<web>
<server>Apache</server>
<lan>PHP</lan>
<client>Javascript</client>
</web>

It adds a child element the SimpleXML element

Example

<?php
$xml = simplexml_load_file(“test.xml”);
$xml->server[0]->addChild(“version”, “5”);
foreach ($xml->server->children() as $child)
{
echo $child . “<br />”;
}
?>

Output

5

XML

<?xml version=”1.0″ encoding=”ISO-8859-1″?>
<web>
<server>Apache</server>
<lan>PHP</lan>
<client>Javascript</client>
</web>

It adds an attribute to the SimpleXML element

Example

<?php
$xmlObj = simplexml_load_file(“test.xml”);
$xmlObj->client[0]->addAttribute(“ver”, “5”);
foreach($xmlObj->client[0]->attributes() as $a => $b) {
echo $a,’=”‘,$b,””</br>”;
}
?>

Output

ver=”5″

XML

<?xml version=”1.0″ encoding=”ISO-8859-1″?>
<web>
<server>Apache</server>
<lan>PHP</lan>
<client>Javascript</client>
</web>

It creates a new SimpleXMLElement object.

Example

<?php
class PHPCode {
function __construct() {
print “Inside constructor”;
}

}

$phpObj = new PHPCode();
?>

Output

Inside constructor