- strtolower: documentation ( source)
<?php
$html=<<<HTML
<html>
<body>
<table id="news" width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="539" height="35"><span><strong>Info to Extract</strong></span></td>
</tr>
<tr>
<td height="35" class="texto10">Martes, 02 de Octubre de 2012 | Autor: Trovert</td>
</tr>
<tr>
<td height="35" class="texto12Gris"><p><strong>Info To extract</strong></p>
<p><strong> </strong></p>
<p><strong>Casa de Gobierno: (a 9 cuadras del hostel)</strong></p>
<img title="title" src="../images/theimage.jpg" width="400" height="266" />
</td>
</tr>
</table>
</body>
</html>
HTML;
function walkNode($node)
{
$str="";
if($node->nodeType==XML_TEXT_NODE)
{
$str.=$node->nodeValue;
}
elseif(strtolower($node->nodeName)=="img")
{
$str.='<img src="'.$node->attributes->getNamedItem("src")->nodeValue.'" />';
}
if($node->firstChild) $str.=walkNode($node->firstChild);
if($node->nextSibling) $str.=walkNode($node->nextSibling);
return $str;
}
$dom=new DOMDocument();
$dom->loadHTML($html);
$xpath=new DOMXPath($dom);
$tds=$xpath->query('//table[@id="news"]//tr[position()>0]/td');
foreach($tds as $td)
{
echo walkNode($td->firstChild);
echo "\n";
}