export Magento Orders as XMLs

magento-orders-export-xml.php

<?php
require_once('app/Mage.php'); //Path to Magento
umask(0);
Mage::app();
// Run you code here

$orderCollection = Mage::getModel('sales/order')->getCollection();

$fromDateStart = '2017-01-01';
$toDateEnd = '2017-07-24';

$fromDate = date('Y-m-d H:i:s', strtotime($fromDateStart));
$toDate = date('Y-m-d H:i:s', strtotime($toDateEnd));

$orderCollection->addAttributeToFilter('status', array('in' => array('new')))
	->addAttributeToFilter('created_at', array('from'=>$fromDate, 'to'=>$toDate));

$orders = $orderCollection->getItems();

$dom = new DOMDocument('1.0', 'UTF-8');
$header = $dom->createElement("header");

foreach ($orders as $order) {

	$array = $order->toArray();

	$xml = new SimpleXMLElement('<OrderRequest/>');

	//necessary to flip keys/values for conversion
	$array = array_flip($array);
	array_walk_recursive($array, array($xml, 'addChild'));

	//Output the XML for debugging
	//print $xml->asXML();

	//Output orders to XML file (1 file per order) for debugging/possible as backup too
	$exportDir = '/var/www/vhosts/site/var/export/orders/';
	file_put_contents(
		$exportDir.$order->getIncrementId().'.xml',
		$xml->asXML()
	);

}