WordpressImporter::reportError PHP Method

    function reportError($msg)
    {
        $vargs = func_get_args();
        if (count($vargs) > 1) {
            $fmt = array_shift($vargs);
            $msg .= vsprintf($fmt, $vargs);
        }
        return $this->writemsg(date('H:i:s') . substr(microtime(), 1, 4), $msg, 'error');
    }