<?php

date_default_timezone_set("Europe/Berlin");

$feeds = array(
    "electrovagant"        =>    "",
    "last.fm"            =>    "",
    "flickr"        =>    "",
    "twitter"        =>    ""
);

$details = array("title","link");

$list = array();

$rss = new DOMDocument();

foreach ($feeds as $name => $feed) {

    $rss -> load($feed);

    $items = $rss -> getElementsByTagName("item");

    foreach ($items as $item) {

        if ($item -> getElementsByTagName("pubDate") -> item(0)) {
            $date = $item -> getElementsByTagName("pubDate") -> item(0) -> nodeValue;
        } else {
            $date = $item -> getElementsByTagName("date") -> item(0) -> nodeValue;
        }
        $date = strtotime(substr($date,0,25));

        $list[$date]["name"] = $name;

        foreach ($details as $detail) {

            $list[$date][$detail] = $item -> getElementsByTagName($detail) -> item(0) -> nodeValue;

        }
    }
}

krsort($list);

$day = "";

foreach ($list as $timestamp => $item) {

    $this_day = date("d.m.y",$timestamp);

    if ($day != $this_day) {

        echo "</tbody>\n";
        echo "<thead>\n";
        echo "<tr>\n";
        echo "<th colspan=\"3\">";
        echo $this_day;
        echo "</th>\n";
        echo "</tr>\n";
        echo "</thead>\n";
        echo "<tbody>\n";

        $day = $this_day;

    }

    echo "<tr class=\"vevent ";
    echo $item["name"];
    echo "\">\n";
    echo "<th>";
    echo "<abbr class=\"dtstart\" title=\"";
    echo date("c",$timestamp);
    echo "\">";
    echo date("G:i",$timestamp);
    echo "</abbr>";
    echo "</th>\n";
    echo "<td>";
    echo "<a class=\"url summary\" href=\"";
    echo $item["link"];
    echo "\">";
    echo $item["title"];
    echo "</a>";
    echo "</td>\n";
    echo "<td>";
    echo "<img src=\"images/";
    echo $item["name"];
    echo ".gif\" alt=\"";
    echo $item["name"];
    echo "\" />";
    echo "</td>\n";
    echo "</tr>\n";

}

?>