PHP Convert

function czasNaGodziny($seconds) {
        $d = floor($seconds/(3600*24));
        $seconds = $seconds % (3600*24);
        $h = floor($seconds/3600);
        $seconds = $seconds % 3600;
        $m = floor($seconds/60);
        $seconds = $seconds % 60;
        echo "$d dni, $h godzin, $m minut, $seconds sekund";
    }

czasNaGodziny(czas w sekundach);