File: /var/www/web37/htdocs/fickanzeiger/components/HtmlFilter.php
<?php
class HtmlFilter
{
    public static function getFilteredHtml($html, $allowedTags, $allowedCssProperties)
    {
        require_once(CODE_ROOT_DIR . 'components/htmlpurifier/library/HTMLPurifier.auto.php');
        $config = HTMLPurifier_Config::createDefault();
        $config->set('Core.Encoding', 'UTF-8');
        $config->set('HTML.Allowed', $allowedTags);
        $config->set('CSS.AllowedProperties', $allowedCssProperties);
        $config->set('Attr.AllowedFrameTargets', '_blank');
        $purifier = new HTMLPurifier($config);
        $cleanHtml = $purifier->purify($html);
        return $cleanHtml;
    }
}