<?php

require_once '/htmlpurifier-4.9.2/library/HTMLPurifier.auto.php';


$html = '<table><tbody><tr><td><strong>Title<br /></strong> text text text text <br /><br />
 text text text text <br /><br />
 text text text text <br /><br />
 text text text text <br /><br /></td>
</tr></tbody></table><p><br /></p>

<table><tr><td><br /><br /></td>
</tr></table>';



$config = HTMLPurifier_Config::createDefault();
$config->set('AutoFormat.RemoveEmpty', true); // remove empty elements
$config->set('AutoFormat.AutoParagraph', true);
$config->set('AutoFormat.RemoveEmpty.Predicate', [
    'table' =>
        []
]);
$purifier = new HTMLPurifier($config);
$clean_html = $purifier->purify($html);


echo $clean_html;