function str_get_html($str, $lowercase = true, $forceTagsClosed = true, $target_charset = DEFAULT_TARGET_CHARSET, $stripRN = true, $defaultBRText = DEFAULT_BR_TEXT, $defaultSpanText = DEFAULT_SPAN_TEXT)
{
    $dom = new Simple_html_dom(null, $lowercase, $forceTagsClosed, $target_charset, $stripRN, $defaultBRText, $defaultSpanText);
    if (empty($str) || strlen($str) > MAX_FILE_SIZE) {
        $dom->clear();
        return false;
    }
    $dom->load($str, $lowercase, $stripRN);
    return $dom;
}