This is some textThis is the button
Title
Here is some more text and this is a link
';
$dom = new DOMDocument();
$dom->loadHTML($xhtml);
function clean($element, $allowed, $stripped, $prefix = ''){
if(!is_array($allowed) || ! is_array($stripped)) return;
if(!$element)return;
$toDelete = array();
foreach($element->childNodes as $child){
if(!isset($child->tagName))continue;
$n = $child->tagName;
if ($n && !in_array($n, $allowed) && !in_array($n, $stripped)){
$toDelete[] = $child;
continue;
}
if($n && in_array($n, $stripped)){
$attr = array();
foreach($child->attributes as $a)
$attr[] = $a->nodeName;
foreach($attr as $a)
$child->removeAttribute($a);
}
clean($child, $allowed, $stripped, $prefix.' ');
}
foreach ($toDelete as $del)
$element->removeChild($del);
}
$body = $dom->getElementsByTagName('body')->item(0);
clean($body, array('img', 'a'), array('p', 'br', 'b'));
echo preg_replace('#^.*?(.*?).*$#s', '$1', $dom->saveHTML($body));