How to send XML data using PHP and CURL?

How to send XML data using PHP and CURL?

<?php

//paste your XML file here

$xml = '

<?xml version="1.0" encoding="UTF-8"?>

<Parent>

<Child>

<Name>Roshini</Name>

<Age>5</Age>

</Child>

</Parent>';

// give the path of the Third party site

$url = "https://www.example.com/";

$ch = curl_init($url);

//curl_setopt($ch, CURLOPT_MUTE, 1);

curl_setopt($ch, CURLOPT_POST, 1);

curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: text/xml'));

curl_setopt($ch, CURLOPT_POSTFIELDS, "$xml");

curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

$output = curl_exec($ch);

echo $output;

curl_close($ch);

?>