PHP | DOMNodeList item() Function

The DOMNodeList::item() function is an inbuilt function in PHP which is used to retrieve a node specified by index.

Syntax:

DOMNode DOMNodeList::item( int $index )

Parameters: This function accepts a single parameter $index which holds the index.

Return Value: This function returns the DOMNode specified by the index.

Below examples illustrate the DOMNodeList::item() function in PHP:

Example 1:

<?php

// Create a new DOMDocument instance
$document = new DOMDocument();

// Create a div element
$element = $document->appendChild(new DOMElement('div'));

// Create a h1 element
$text1 = new DOMElement('h1', 'GeeksforGeeks');

// Create another h1 elements
$text2 = new DOMElement('h1', 'Another GeeksforGeeks');

// Append the nodes
$element->appendChild($text1);
$element->appendChild($text2);

// Get all elements with tag name 'h1'
$elements = $document->getElementsByTagName('h1');

// Get the text of first element
echo $elements->item(0)->textContent;
?>

Output:

GeeksforGeeks

Example 2:

<?php

// Create a new DOMDocument instance
$document = new DOMDocument();

// Create a div element
$element = $document->appendChild(new DOMElement('div'));

// Create a h1 element
$text1 = new DOMElement('h1', 'GeeksforGeeks');

// Create another h1 elements
$text2 = new DOMElement('h2', 'Another GeeksforGeeks');

// Append the nodes
$element->appendChild($text1);
$element->appendChild($text2);

// Get all elements
$elements = $document->getElementsByTagName('*');

// Get the name of tag of third element
echo $elements->item(2)->nodeName;
?>

Output:

h2

Reference: https://www.php.net/manual/en/domnodelist.item.php