<?php
	$_main_categories = $this->getStoreCategories();
	
	foreach ($_main_categories as $_main_category):
?>
		<li>
			<div style="width:593px;">
			<?php
				$_products = $_main_category->getProductCollection();

<main_xml>
 <tag1>
  <![CDATA[
    <div id=1>
      Hello
    </div>

    <div id=2>
      Hi
    </div>
  ]]>
 </tag1>
</main_xml>

<subject>Inquiry</subject>
<message>
 <![CDATA[
   <div>Hi</div>
   <div>Hello</div>
   <div>How Are You</div>
 ]]>
</message>

$xml = simplexml_load_file("xml_mail_format2.xml");
foreach($xml->children()

$newTrack = $doc->createElement('message');
	
$newTrack = $newTrack->appendChild($data);
	
$oldtrack= $track->parentNode->replaceChild($newTrack,$track);

$data = $_POST['editor123'];
	
$doc = new DOMDocument;

$doc->load('xml_mail_format2.xml');

$playlist= $doc->documentElement;
	
$track = $playlist->getElementsByTagName("message")->item(0);
	
$data = $doc->createCDATASection($data);
	
$newTrack

$doc = new DOMDocument;

$doc->load('xml_mail_format2.xml');

$playlist= $doc->documentElement;
	
$track = $playlist->getElementsByTagName("message")->item(0);
	
$data = $doc->createCDATASection($data);
	
$newTrack = $doc->createElement('message',$data);
	
$oldtrack= $track->parentNode->replaceChild($newTrack,$track);
	
$doc->saveXML();