PHP | DOMDocument getElementsByTagName() Function

The DOMDocument::getElementsByTagName() function is an inbuilt function in PHP which is used to return a new instance of class DOMNodeList which contains all the elements of local tag name.

Syntax:

DOMNodeList DOMDocument::getElementsByTagName( string $name )

Parameters: This function accepts single parameter $name which holds the local tag name to match. The value * is used to match all tags.

Return Value: This function returns a new DOMNodeList object containing all the matched elements.

Below program illustrates the DOMDocument::getElementsByTagName() function in PHP:

Program:

<?php

// Store the XML document to the variable
$xml = <<< XML
<?xml version="1.0" encoding="utf-8"?>
<organization>
    <name>GeeksforGeeks</name>
    <address>Noida India</address>
    <contact>
        <email>abc@geeksforgeeks.org</email>
        <mobile>+91-987654321</mobile>
    </contact>
</organization>
XML;

// Create new DOMDocument
$dom = new DOMDocument;

// Load the XML document
$dom->loadXML($xml);

// Use getElementsByTagName() function to search
// all elements with given local tag name
$org = $dom->getElementsByTagName('contact');

foreach ($org as $contact) {
    echo $contact->nodeValue, PHP_EOL;
}
?>

Output:

abc@geeksforgeeks.org
+91-987654321

Reference: https://www.php.net/manual/en/domdocument.getelementsbytagname.php