Extension:XFeed - RSS Feed Aggregator

<?php
 
require_once('magpierss/rss_fetch.inc');
 
# Oringinal Author: http://meta.wikimedia.org/wiki/User:Brill
# To activate the extension, include it from your LocalSettings.php
# with: include("extensions/XFeeds.php");

$wgExtensionFunctions[] = "wfXFeeds";
 
$wgExtensionCredits['parserhook'][] = array(
    'name'=>'XFeeds',
    'author'=>'[http://meta.wikimedia.org/wiki/User:Brill Brill]',
    'url'=>'http://www.mediawiki.org/wiki/Extension:XFeed_-_RSS_Feed_Aggregator',
    'description' => 'RSS feed aggregator'
    );
 
function wfXFeeds() {
    global $wgParser;
    $wgParser->setHook( "xfeeds", "renderFeeds" );
}
 
# The callback function for converting the input text to HTML output
function renderFeeds( $input, $argv, &$parser ) {
        $parser->disableCache();
 
        $contentcolour = getParameter($argv, "contentcolour", "#EEEEEE");
        $titlecolour = getParameter($argv, "titlecolour", "#B0C4DE");
        $feedlimit = getParameter($argv, "feedlimit", 0);
        $totallimit = getParameter($argv, "totallimit", 10);
 
        $feedItems = array();
 
        $feedUrls = explode("\n",$input);
        #$output = "";
        foreach ($feedUrls as $url){
                if(strlen($url) > 0){
                        $feed = fetch_rss( $url );
                        $channel_title = $feed->channel['title'];
                        $channel_link = $feed->channel['link'];
                        $itemCount = 1;
                        foreach ($feed->items as $item) {
                                $href = $item['link'];
                                $title = $item['title'];
                                $description = $item['description'];
                                $date = $item['pubdate'];
                                $timestamp = 0;
                                if($date == ""){
                                        $date = $item['dc']['date'];
                                        if($date != ""){
                                                $timestamp = pubDateToTimestamp($date);
                                        }
                                }else{
                                        $timestamp = pubDateToTimestamp($date);
                                }
                                $tStampStr = $date;
                                if($timestamp > 0){
                                        $tStampStr = formatDateTimestamp($timestamp);
                                }
 
$outputItem = <<<EOF
<div style="border: 1px solid $titlecolour; background-color: $contentcolour; width: 100%; margin: 2px 0px 2px 0px;">
        <div style="padding: 2px 2px 2px 2px; margin: 0px 0px 0px 0px;; font-weight: bold; font-size: 14px; background-color: $titlecolour; width: 100%;">
                <div><a href="$href">$title</a></div>
                <div style="font-weight: normal; font-size: 12px; color: Gray; font-style: italic; float: right; margin: 0px 4px 0px 2px; border-bottom-style: solid; border-bottom-width: 1px; border-bottom-color: $titlecolour;">$tStampStr [<a href="$channel_link">$channel_title</a>]</div>
        </div>
        <div style="padding: 2px 2px 2px 15px; margin: 0px 0px 0px 0px;">$description</div>
</div>
EOF;
 
                                while (isset($feedItems[$timestamp])) {
                                	$timestamp++;
                                }
                                $feedItems[$timestamp] = $outputItem;
                                $itemCount = $itemCount + 1;
                                if($itemCount > $feedlimit){
                                        break;
                                }
                        }
                }
        }
 
        krsort($feedItems, SORT_NUMERIC);
        $output = "";
        $outCount = 0;
        foreach($feedItems as $tsKey => $itemValue){
                $output .= $itemValue."\n";
                $outCount = $outCount + 1;
                if($outCount > $totallimit){
                        break;
                }
        }
 
 
    return $output;
}
 
function getParameter($argArray, $key, $defaultValue){
        $value = $argArray[$key];
        if(isset($value)){
                return $value;
        }else{
                return $defaultValue;
        }
}
 
function pubDateToTimestamp($dateStr){
        $tstamp = strtotime($dateStr,0);
        return $tstamp;
}
 
function formatDateTimestamp($tstamp){
        $result = strftime("%Y-%m-%d %T %Z", $tstamp);
        return $result;
}
?>