PHP | SimpleXMLElement children() Function

Pre-requisite: Read XML Basics
The SimpleXMLElement::children() function is an inbuilt function in PHP which returns children of a given node in a SimpleXML object.
 

Syntax:  

SimpleXMLElement SimpleXMLElement::children( $namespace, $is_prefix )

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

• $namespace: It is optional parameter. It specifies the XML namespace.
• $is_prefix: It is boolean parameter which is optional. It is True if $namespace is a prefix and False if $namespace is namespace URL. Its default value is False.

Return Value: This function returns a SimpleXMLElement object.
Note: This function is available on PHP 5.0.1 and newer version.
Below programs illustrate the SimpleXMLElement::children() function in PHP:
Program 1: This program displays the value of child node. 

Output: 

Child node: Geeks123
Child node: GeeksforGeeks
Child node: +91-XXXXXXXXXX
Child node: Noida, UP, India 

Program 2: This program displays the tag name and its value. 

Output: 

Child node: username => Geeks123
Child node: name => GeeksforGeeks
Child node: phone => +91-XXXXXXXXXX
Child node: address => Noida, UP, India 

Program 3: This program retrieving the children attribute name with its value. 

Output: 

Child name: username => Geeks123 
 parameter: font-color => green
 parameter: font => awesome-fonts
 parameter: font-size => 72px
Child name: name => GeeksforGeeks 
 parameter: font-color => blue
 parameter: font => awesome-fonts
 parameter: font-size => 36px
Child name: phone => +91-XXXXXXXXXX 
 parameter: font-color => blue
 parameter: type => number
 parameter: font => awesome-fonts
 parameter: font-size => 24px
Child name: address => Noida, UP, India 
 parameter: font-color => blue
 parameter: font => awesome-fonts
 parameter: font-size => 24px

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