src/SimpleDOM.php
public function deleteSelf()
    {
        $tmp = dom_import_simplexml($this);

        if ($tmp->isSameNode($tmp->ownerDocument->documentElement)) {
            throw new BadMethodCallException('deleteSelf() cannot be used to delete the root node');
        }

        $tmp->parentNode->removeChild($tmp);
    }
public function deleteSelf()
    {
        $tmp = dom_import_simplexml($this);

        if ($tmp->isSameNode($tmp->ownerDocument->documentElement)) {
            throw new BadMethodCallException('deleteSelf() cannot be used to delete the root node');
        }

        $tmp->parentNode->removeChild($tmp);
    }
Delete this node from document

This is a convenience method. The same result can be achieved with
<code>
$node->parentNode()->removeChild($node);
</code>

@throws BadMethodCallException
@return    void