How to convert json feed to rss in php?

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<?php

// Fetch the JSON feed
$json_feed = file_get_contents('http://example.com/json-feed');

// Decode the JSON feed
$data = json_decode($json_feed, true);

// Create the RSS feed
$xml = new XMLWriter();
$xml->openURI('php://output');
$xml->startDocument();
$xml->setIndent(true);
$xml->startElement('rss');
$xml->writeAttribute('version', '2.0');
$xml->startElement('channel');
$xml->writeElement('title', 'Converted RSS Feed');
$xml->writeElement('link', 'http://example.com');
$xml->writeElement('description', 'Converted RSS Feed from JSON');

// Loop through the items in the JSON feed and add them to the RSS feed
foreach ($data['items'] as $item) {
    $xml->startElement('item');
    $xml->writeElement('title', $item['title']);
    $xml->writeElement('link', $item['link']);
    $xml->writeElement('description', $item['description']);
    $xml->endElement();
}

$xml->endElement();
$xml->endElement();
$xml->endDocument();
$xml->flush();

?>