Microweber\Utils\lib\XSSSecurity::entityDecode PHP Method

    protected function entityDecode($str)
    {
        static $entities;
        if (strpos($str, '&') === false) {
            return $str;
        }
        $flags = ENT_COMPAT | ENT_HTML5;
        do {
            $str_compare = $str;
            if (preg_match_all('/&[a-z]{2,}(?![a-z;])/i', $str, $matches)) {
                if (!isset($entities)) {
                    $entities = array_map('strtolower', get_html_translation_table(HTML_ENTITIES, $flags));
                }
                $replace = [];
                $matches = array_unique(array_map('strtolower', $matches[0]));
                for ($i = 0, $c = count($matches); $i < $c; ++$i) {
                    if (($char = array_search(array_get($matches, $i) . ';', $entities, true)) !== false) {
                        $replace[array_get($matches, $i)] = $char;
                    }
                }
                $str = str_ireplace(array_keys($replace), array_values($replace), $str);
            }
            $str = html_entity_decode(preg_replace('/(&#(?:x0*[0-9a-f]{2,5}(?![0-9a-f;])|(?:0*\\d{2,4}(?![0-9;]))))/iS', '$1;', $str), $flags);
        } while ($str_compare !== $str);
        return $str;
    }