function vars2globals_wrapper($varlist)
{
    $retval = true;
    if ($varlist != '') {
        $vars = explode(',', $varlist);
        foreach ($vars as $var) {
            if (isset($GLOBALS[$var])) {
                ErrorLog::write('variabe $' . $var . ' already defined in global space!!', __FILE__, __FUNCTION__, __LINE__);
                $retval = false;
            } else {
                global ${$var};
            }
        }
    }
    return $retval;
}