<?php
header ("Content-Type:text/xml");
$doc = new DOMDocument('1.0','UTF-8');
$doc->formatOutput = true;
$bookings=$doc->appendChild($doc->createElement("bookings"));
foreach($schedule as $event) {
        $booked=$bookings->appendChild($doc->createElement("booked"));
        $booked->appendChild($doc->createElement('date',$event['date']));
	$booked->appendChild($doc->createElement('room',$event['classRoom']));
	$booked->appendChild($doc->createElement('starttime',$event['startTime']));
	$booked->appendChild($doc->createElement('endtime',$event['endTime']));
    }
echo $doc->saveXML();
?>