PHP | SimpleXMLElement children() Function

PHP | SimpleXMLElement addChild() Function

Last Updated : 29 May, 2019

Pre-requisite: Read XML Basics

The SimpleXMLElement::addChild() function is an inbuilt function in PHP which is used to add a child in a SimpleXML object.

Syntax:

SimpleXMLElement SimpleXMLElement::addChild($name, $value, $namespace);

Parameter: This function accepts three parameters as mentioned above and described below:

$name: It is required parameter. It specifies the name of the child element to be added.
$value: It is optional parameter. It specifies the value of the child element to be added.
$namespace: It is optional parameter. It specifies namespace for the child element.

Return Value: It returns SimpleXMLElement object on successful child addition.

Note: This function is available for PHP 5.1.3 and newer version.

Example:

<?php 
// Loading XML document to $user 
  
$user = <<<XML 
<user> 
<username>user123</username> 
<name>firstname lastname</name> 
<phone>+91-9876543210</phone> 
<detail>I am John Doe. Live in Kolkata, India.</detail> 
</user> 
XML; 
  
// creating new SimpleXMLElement 
// object from $user 
$xml = new SimpleXMLElement($user); 
  
// Adding child named "institution" 
// and valued "geeksforgeeks" 
$xml -> addChild("institution", "geeksforgeeks"); 
  
// Printing as XML 
echo $xml->asXML(); 
  
echo $xml->asXML('savexmltofile.xml'); 
  
?> 

Output:

user123 firstname lastname +91-9876543210 I am John Doe.
Live in Kolkata, India. geeksforgeeks 1

Saved XML file:

Reference: https://www.php.net/manual/en/simplexmlelement.addchild.php

PHP | SimpleXMLElement children() Function

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