Difference between revisions of "Template:Mainpage-rssfeeds"

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<rss>http://forum.linkstationwiki.net/rss2.php|charset=UTF-8|short|max=10</rss>
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__NOTOC__
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<rss>http://rss.groups.yahoo.com/group/LinkStation_General/rss|charset=UTF-8|short|max=5</rss>
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<h3>LinkStation_General at Yahoo! Groups</h3>
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<noinclude>[[Category:Administrative templates]]
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<feed url="http://rss.groups.yahoo.com/group/LinkStation_General/rss" entries=7>
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* <span class="plainlinks">[{PERMALINK} {TITLE}]</span>
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<table align=right><tr><td>
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</feed>
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http://upload.wikimedia.org/wikipedia/commons/thumb/1/12/Wikimedia_logo_text_RGB.svg/135px-Wikimedia_logo_text_RGB.svg.png
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<h3>NAS Central Blog</h3>
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</td></tr></table>
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<feed url="http://blog.nas-central.org/feed/" entries=5>
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=GISWiki/RSS=
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* <span class="plainlinks">[{PERMALINK} {TITLE}]</span>
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Uses an extension from:
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</feed>
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http://meta.wikimedia.org/wiki/GISWiki/RSS
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<h3>Foonas Blog</h3>
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<feed url="http://blog.foonas.org/feed/" entries=5>
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==RSS-Feed Mediawiki extension==
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* <span class="plainlinks">[{PERMALINK} {TITLE}]</span>
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* original by mutante 25.03.2005
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</feed>
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* extended by Duesentrieb 30.04.2005
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<noinclude>[[Category:Administrative templates]]</noinclude>
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* extended by Rdb78 07.07.2005
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* extended by Mafs  10.07.2005, 24.07.2005
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* extended by User:Arcy  07.09.2005
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* Updated for MediaWiki 1.6 by User:piku 13.06.2006
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* Update for Wikicode output, by User:cogdog 14.jul.2006
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===Requires:===
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* magpie rss parser http://magpierss.sourceforge.net/
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* iconv http://www.gnu.org/software/libiconv/, see also http://www.php.net/iconv
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===Installation:===
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* put this file '''(rss.php)''' into the extension directory of your mediawiki installation
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* add the following to the end of '''LocalSettings.php:''' <tt>include("extensions/rss.php");</tt>
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* make sure magpie can be found by PHP.
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===Usage:===
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Use one section between '''<tt><nowiki><rss></nowiki></tt>'''-tags for each feed. The rss section may contain parameters
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separated by a pipe'''<tt><nowiki> ("|")</nowiki></tt>''', just like links and templates. These parameters are supported:
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{|
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|-
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|| '''<tt>charset = ...</tt>'''            ||The charset used by the feed. iconv is used to convert this.
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|-
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|| '''<tt>short</tt>'''                  ||Do not show the description text for each news item.
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|-
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|| '''<tt>max = x</tt>'''                  ||Shows x most recent headlines.
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|-
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|| '''<tt>highlight = term1 term2  </tt>'''  ||The terms separated by a space are highlighted.
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|-
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|| '''<tt>filter = term1 term2  </tt>'''    ||Show only rss items containing at least one of the terms.
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|-
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|| '''<tt>reverse</tt>'''                ||display the rss items in reverse order.
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|-
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|| '''<tt>title = x</tt>'''                ||display an alternative title instead of chanel name.
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|-
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|| '''<tt>title = none</tt>'''            ||dont display any title.
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|}
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==rss.php==
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<pre><nowiki>
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<?php
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# RSS-Feed Mediawiki extension
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#
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# original by mutante 25.03.2005
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# extended by Duesentrieb 30.04.2005
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# extended by Rdb78 07.07.2005
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−
# extended by Mafs  10.07.2005, 24.07.2005
+
−
# extended by User:Arcy  07.09.2005
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# Updated for MediaWiki 1.6 by User:piku 13.06.2006
+
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# Update for Wikicode output, by User:cogdog 14.jul.2006
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#
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# Requires:
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#  * magpie rss parser <http://magpierss.sourceforge.net/>
+
−
#  * iconv <http://www.gnu.org/software/libiconv/>, see also <http://www.php.net/iconv>
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#
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# Installation:
+
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#  * put this file (rss.php) into the extension directory of your mediawiki installation
+
−
#  * add the following to the end of LocalSettings.php: include("extensions/rss.php");
+
−
#  * make sure magpie can be found by PHP.
+
−
#
+
−
# Usage:
+
−
#  Use one section between <rss>-tags for each feed. The rss section may contain parameters
+
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#  separated by a pipe ("|"), just like links and templates. These parameters are supported:
+
−
#
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#    * charset=...            The charset used by the feed. iconv is used to convert this.
+
−
#    * short                  Do not show the description text for each news item.
+
−
#    * max=x                  Shows x most recent headlines.
+
−
#    * highlight= term1 term2  The terms separated by a space are highlighted.
+
−
#    * filter= term1 term2    Show only rss items containing at least one of the terms.
+
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#    * reverse                display the rss items in reverse order.
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−
#    * title=x                display an alternative title instead of chanel name.
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#    * title = none            dont display any title.
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#
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# Example:
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#    <rss>http://slashdot.org/slashdot.rss|charset=UTF-8|short|max=5</rss>
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#
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#change this according to your magpie installation!
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require_once('rss_fetch.inc');
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#install extension hook
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$wgExtensionFunctions[] = "wfRssExtension";
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#extension hook callback function
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function wfRssExtension() {
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  global $wgParser;
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+
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  #install parser hook for <rss> tags
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  $wgParser->setHook( "rss", "renderRss" );
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}
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#parser hook callback function
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function renderRss($input, $argv, $parser = null) {
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  if (!$parser) $parser =& $GLOBALS['wgParser'];
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  global $wgOutputEncoding;
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+
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  $DefaultEncoding = "ISO-8859-1";
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  $DisableCache = true;
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+
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  # $input = mysql_escape_string($input);
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+
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  if (!$input) return ""; #if <rss>-section is empty, return nothing
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+
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  #parse fields in rss-section
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  $fields= explode("|",$input);
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  $url= @$fields[0];
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+
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  $args= array();
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  for ($i=1; $i<sizeof($fields); $i++) {
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    $f= $fields[$i];
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    if (strpos($f,"=")===False) $args[strtolower(trim($f))]= False;
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    else {
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      list($k,$v)= explode("=",$f,2);
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      if (trim($v)==False) $args[strtolower(trim($k))] = False;
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      else $args[strtolower(trim($k))]= trim($v);
+
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    }
+
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  }
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−
 
+
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  #get charset from argument-array   
+
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  $charset= @$args["charset"];
+
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  if (!$charset) $charset= $DefaultEncoding;
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−
 
+
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  #get max number of headlines from argument-array
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  $maxheads = @$args["max"];
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  $headcnt = 0;
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+
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  #get short-flag from argument-array
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  #if short is set, no description text is printed
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  if (isset($args["short"])) $short = True; else $short = False;
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+
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  #get reverse-flag from argument-array
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  if (isset($args["reverse"])) $reverse = True; else $reverse = False;
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+
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  #get highlight terms from argument-array   
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  $rssHighlight= @$args["highlight"];
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  $rssHighlight= str_replace("  "," ", $rssHighlight);
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  $rssHighlight= explode(" ", trim($rssHighlight));
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  #get filter terms from argument-array   
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  $rssFilter= @$args["filter"];
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  $rssFilter= str_replace("  "," ", $rssFilter);
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  $rssFilter= explode(" ", trim($rssFilter));   
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  #fetch rss. may be cached locally.
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  #Refer to the documentation of magpie for details.
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  $rss = @fetch_rss($url);
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  #check for errors.
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  if ($rss->ERROR) {
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    # return "Feed error"; #localize...
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      #return "<div>Failed to load RSS feed from $url: ".$rss->ERROR."</div>"; #localize...
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  }
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  if (!is_array($rss->items)) {
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    # return "Feed error"; #localize...
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      #return "<div>Failed to load RSS feed from $url!</div>"; #localize...
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  }
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  #Bild title line   
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  #get title from argument-array   
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  $rssTitle= @$args["title"];
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  $rssTitle= trim($rssTitle);
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+
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  if ($rssTitle !=='none') {
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    if ($rssTitle=='') {
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        $title= iconv($charset,$wgOutputEncoding,$rss->channel['title']);
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        if ($rss->channel['link']) $title= "[".$rss->channel['link']." $title]";
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        $output = "=== $title ===\n";
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    }
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    else
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    {
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      $title= "[".$rss->channel['link']." $rssTitle]";
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      $output="=== $title ===\n";
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    }
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  } else {
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      $output="\n\n\n";
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  }
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  if ($reverse) $rss->items = array_reverse($rss->items);
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  $description = False;
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  foreach ($rss->items as $item) {
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      if ($item['description']) {$description = True; break;}
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  }
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+
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  #Bild items
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  if (!$short and $description) { #full item list
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    $output.="";
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    foreach ($rss->items as $item) {
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      $d_text = true;
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      $d_title = true;
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      $href = trim(iconv($charset,$wgOutputEncoding,$item['link']));
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      $title = trim(iconv($charset,$wgOutputEncoding,$item['title']));
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      $d_title = wfRssFilter ($title, $rssFilter);
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      $title= wfRssHighlight($title, $rssHighlight);
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      #bild description text if desired
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      if ($item["description"]) {
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        $text= trim(iconv($charset,$wgOutputEncoding,$item['description']));
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        #avoid pre-tags
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        $text= str_replace("\r"," ",$text);
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        $text= str_replace("\n"," ",$text);
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        $text= str_replace("\t"," ",$text);
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        $d_text = wfRssFilter ($text, $rssFilter);
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        $text= wfRssHighlight($text, $rssHighlight);
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        $display = $d_text or $d_title;
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      }
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        else  {
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          $text = "";
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          $display = $d_title;
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        }     
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      if ($display) {
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        $output.="* [$href $title]";
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        if ($text) $output.="<br>$text";
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        $output .= "\n";
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      }
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    #Cut off output when maxheads is reached:
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    if (++$headcnt == $maxheads)  break;
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    }
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    # $output.="</dl>";
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  }
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  else { #short item list
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  #  $output.="<ul>";
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    foreach ($rss->items as $item) {
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      $href = trim(iconv($charset,$wgOutputEncoding,$item['link']));
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      $title = trim(iconv($charset,$wgOutputEncoding,$item['title']));
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        $d_title = wfRssFilter ($title, $rssFilter);
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        $title= wfRssHighlight($title, $rssHighlight);
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        if ($d_title ) $output.="* [$href $title]\n";
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      #Cut off output when maxheads is reached:
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      if (++$headcnt == $maxheads)  break;
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    }
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    # $output.="</ul>";
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  }
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+
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+
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  if ($DisableCache) {
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+
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    global $wgVersion;
+
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+
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    # Do not cache this wiki page.
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    # for details see http://public.kitware.com/Wiki/User:Barre/MediaWiki/Extensions
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    global $wgTitle, $wgDBprefix;
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    $ts = mktime();
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    $now = gmdate("YmdHis", $ts + 120);
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    $ns = $wgTitle->getNamespace();
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    $ti = wfStrencode($wgTitle->getDBkey());
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+
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    $version = preg_replace("/^([1-9]).([1-9]).*/", "\\1\\2", $wgVersion);
+
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    if ($version>14) $sql = "UPDATE $wgDBprefix"."page SET page_touched='$now' WHERE page_namespace=$ns AND page_title='$ti'";
+
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    else            $sql = "UPDATE $wgDBprefix"."cur SET cur_touched='$now' WHERE cur_namespace=$ns AND cur_title='$ti'";
+
−
 
+
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    wfQuery($sql, DB_WRITE, "");
+
−
  }
+
−
 
+
−
  $out = $parser->parse ($output, $parser->mTitle,$parser->mOptions, true, false);
+
−
  return $out->getText();
+
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}
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+
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+
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function wfRssFilter ($text, $rssFilter) {
+
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+
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  $display = true;
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+
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  if (is_array($rssFilter)) {
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    foreach($rssFilter as $term) {
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+
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      if ($term) {
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        $display = false;
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        if (preg_match("|$term|i", $text, $a))  {  $display = true; return $display; }
+
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      }
+
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    if ($display) break;
+
−
    }
+
−
  }
+
−
  return $display;
+
−
}
+
−
 
+
−
 
+
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function wfRssHighlight($text, $rssHighlight) {
+
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+
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  $i=0;
+
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  $starttag = "v8x5u3t3u8h";
+
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  $endtag  = "q8n4f6n4n4x";
+
−
 
+
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  $color[]="coral";
+
−
  $color[]="greenyellow";
+
−
  $color[]="lightskyblue";
+
−
  $color[]="gold";
+
−
  $color[]="violet";
+
−
 
+
−
  $count_color = count($color);
+
−
 
+
−
  if (is_array($rssHighlight)) {
+
−
    foreach($rssHighlight as $term) {
+
−
      if ($term) {
+
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        $text = preg_replace("|\b(\w*?".$term."\w*?)\b|i", "$starttag"."_".$i."\\1$endtag", $text);
+
−
        $i++;
+
−
        if ($i == $count_color) $i=0;
+
−
        }
+
−
      }
+
−
    }
+
−
  # to avoid trouble should someone wants to highlight the terms "span", "style", ...
+
−
  for ($i=0; $i<5; $i++) {
+
−
    $text = preg_replace("|$starttag"."_".$i."|", "<span style=\"background-color:".$color[$i]."; font-weight: bold;\">", $text);
+
−
    $text = preg_replace("|$endtag|", "</span>", $text);
+
−
    }
+
−
 
+
−
  return $text;
+
−
}
+
−
 
+
−
?></nowiki>
+
−
</pre>
+
−
</noinclude>
+

Latest revision as of 15:43, 20 December 2008

LinkStation_General at Yahoo! Groups

<feed url="http://rss.groups.yahoo.com/group/LinkStation_General/rss" entries=7>

  • [{PERMALINK} {TITLE}]

</feed>

NAS Central Blog

<feed url="http://blog.nas-central.org/feed/" entries=5>

  • [{PERMALINK} {TITLE}]

</feed>

Foonas Blog

<feed url="http://blog.foonas.org/feed/" entries=5>

  • [{PERMALINK} {TITLE}]

</feed>

Retrieved from "http://buffalo.nas-central.org/w/index.php?title=Template:Mainpage-rssfeeds&oldid=25986"