Adding attributes to XML objects by using addAttribute() function in PHP

Add attributes to an XML element

addAttribute() attaches an attribute to the selected SimpleXMLElement node.

<?php
$xml = new SimpleXMLElement('<book/>');
$xml->addAttribute('id', '101');
$xml->addChild('title', 'PHP XML');

echo $xml->asXML();
?>

Current example first; the detailed examples below are retained for additional learning and comparison.

We can add attributes to different elements of XML object by using addAttribute() function. We will try with different examples to add attributes at different level of child node. We used asXML function to display XML string. We have used our sample xml file for this. Here is the code.

xml-sample1.php

<?php
require "xml-sample1.php";
$main1 = new SimpleXMLElement($str_xml);
$main1->addAttribute('type', 'student');
echo $main1->asXML(); 
?>

Output is here.

<?xml version="1.0" standalone="yes"?>
<details type="student">
<name>Abcd</name>

<address>
  <door_no>234-ac</door_no>
  <street>Great Wall</street>
  <city>Alabama</city>
</address>

</details>

Adding attribute to different level of XML node.

We will only show the changed line here and the respective output

$main1->address->addAttribute('type', 'local');

<address type="local">

Now adding to another node

$main1->address->street->addAttribute('type', 'main');

<street type="main">Great Wall</street>

XML

Subhendu Mohapatra

Author & Instructor at plus2net

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addAttribute() to XML object

Add attributes to an XML element

xml-sample1.php

Adding attribute to different level of XML node.

Subhendu Mohapatra