<?php
 
$html = '
    <p>%firstname%</p>
    <p>%<span>firstname</span>%</p>
    <p>%<span class="blah">firstname</span>%</p>
    <p>%<span><span>firstname</span></span>%</p>    
    <p>%<span><span><span>firstname</span></span></span>%</p>
    <p>%<span class="blah"><span>firstname</span></span>%</p>
    <div>A cool div with %firstname%</div>
    <span>And a very neat span with %firstname%</span>';
 
$dom = new DOMDocument();
$dom->loadHTML($html);
 
$xpath = new DOMXPath($dom);
 
# query only root elements here
$containers = $xpath->query("/*");
foreach ($containers as $container) {
	echo $container->textContent . "\n";
}
?>

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