Hvor gammel er Timestamp i dage

<?php
function Time2Array($sec){     
    $ar = array();
    $ar['days'] = (int) ($sec/86400) ;
    $ar['hours'] =  (int) (($sec/3600) % 24) ;
    $ar['minutes'] = (int) (($sec / 60) % 60) ;
    $ar['seconds'] = (int) ($sec % 60) ;
    return $ar;        
}

$timefromdb = "2011-11-08 11:53:15";
$now = time();
$diffinsec = $now-strtotime($timefromdb);
$timear = Time2Array($diffinsec);
echo $timear['days']." dage ".$timear['hours']." timer ".$timear['minutes']." minutter ".$timear['seconds']." sekunder";
?>