timestamp convert to german date

<?php
function differenz_zeit($d1, $d2)
{
    $return = array();
    $time = $d2 - $d1;
    $einheit = array(
        86400 => array('Tag', 'Tage'),
        3600 => array('Stunde', 'Stunden'),
        60 => array('Minute', 'Minuten'),
        1 => array('Sekunde', 'Sekunden'),
    );


    foreach ($einheit as $_e => $_data)
    {
        $x = (int) ($time / $_e);
        if ($x > 0)
        {
            $return[] = $x . " " . $_data[($x > 1 ? 1 : 0)];
            $time = $time % $_e;
        }
    }
    return join(', ', $return);
}


$x1 = strtotime("28.03.2011 13:34:50");
$x2 = strtotime("01.04.2011 14:20:51");


print differenz_zeit($x1, $x2);
?>

<?php
include("config.php");


function differenz_zeit($d1, $d2)
{
    $return = array();
    $time = $d2 - $d1;
    $einheit = array(
        86400 => array('Tag', 'Tage'),
        3600 => array('Stunde', 'Stunden'),
        60 => array('Minute', 'Minuten'),
        1 => array('Sekunde', 'Sekunden'),
    );


    foreach ($einheit as $_e => $_data)
    {
        $x = (int) ($time / $_e);
        if ($x > 0)
        {
            $return[] = $x . " " . $_data[($x > 1 ? 1 : 0)];
            $time = $time % $_e;
        }
    }
    return join(', ', $return);
}


$qry = mysql_query("SELECT * FROM uploads");
while($row = mysql_fetch_array($qry))
{
    $deltime = $config['deltime'] + $row['date']; // wenn "date" ein Datum und kein Timestamp ist dann strtotime($_row['date'])

    print differenz_zeit(time(), $deltime);
}
?>