Building an XML file with DOMDocument

xml.php

<?php

$products = array(
    array(
        'title' => 'Product #1',
        'description' => 'Lorem ipsum'
    ),
    array(
        'title' => 'Product #2',
        'description' => 'Lorem ipsum'
    )
);

$xmlDocument = new DOMDocument('1.0', 'utf-8');
$xmlDocument->formatOutput = true;

$productsNode = $xmlDocument->createElement('products');
$xmlDocument->appendChild($productsNode);

foreach ($products as $product) {
    $productNode = $xmlDocument->createElement('product');
    
    $titleNode = $xmlDocument->createElement('title');
    $titleNode->appendChild($xmlDocument->createTextNode($product['title']));
    
    $descriptionNode = $xmlDocument->createElement('description');
    $descriptionNode->appendChild($xmlDocument->createCDATASection($product['description']));
    
    $productNode->appendChild($titleNode);
    $productNode->appendChild($descriptionNode);
    
    $productsNode->appendChild($productNode);
}

echo $xmlDocument->saveXML();