- print_r: documentation ( source)
<?php
$string = <<<XML
<a>
<b>
<c>text</c>
<c>stuff</c>
</b>
<d>
<c>code</c>
</d>
</a>
XML;
$xml = new SimpleXMLElement($string);
$result = $xml->xpath('/a/b/c');
foreach ($result as $r)
{
if (!empty($r))
{
print_r((string)$r);
}
else
{
echo 'empty';
}
}