Um den Datumsstring für die einzelnen Newsbeiträge aus "tt_news" mit in die von der Extension "mc_googlesitemap" erstellten Sitemap zu bekommen, gibt es folgenden Fix.

Folgenden Code bitte in die Datei "class.tx_mcgooglesitemap_base.php"  im Ordner "mc_googlesitemap" einfügen. Die geänderten Stellen zum Original sind markiert.

<?php
/***************************************************************
*  Copyright notice

*  (c) 2004 Maximo Cuadros (mcuadros@gmail.com)
*  All rights reserved
*
*  This script is part of the TYPO3 project. The TYPO3 project is
*  free software; you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation; either version 2 of the License, or
*  (at your option) any later version.
*
*  The GNU General Public License can be found at
*  http://www.gnu.org/copyleft/gpl.html.
*
*  This script is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  This copyright notice MUST APPEAR in all copies of the script!
***************************************************************/
/**
 * Plugin 'Google Sitemap for Pages and Contents' for the 'mc_googlesitemap' extension.





 *
 * @author    Maximo Cuadros <mcuadros@gmail.com>
 * @others    Peter Russ <peter.russ@4many.net>, 4Many Services
 * Thx for some lines of code and guidelines
 */



class tx_mcgooglesitemap_base  {
   
    function tx_mcgooglesitemap_base($cObj,$type=0)    {
        $this->cObj = &$cObj;



        ini_Set("max_execution_time",120);
        $GLOBALS["TSFE"]->set_no_cache();

        $this->act=array("1" => "Always", "2" => "Hourly", "3" => "Daily", "4" => "Weekly", "5" => "Monthly", "6" => "Yearly",  "7" => "Never");
        header('Content-type: text/xml');
        $head[]='<?xml version="1.0" encoding="UTF-8"?>';
        if ( $type != 2 ) {
            #$head[]='<urlset xmlns="http://www.google.com/schemas/sitemap/0.84">'."\n";
            $head[]='<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">'."\n";
        } else {
            #$head[]='<sitemapindex xmlns="http://www.google.com/schemas/sitemap/0.84">'."\n";
            $head[]='<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">'."\n";
        }


        echo implode("\n",$head); unset($head);

        $tmp=explode("/",$GLOBALS['_SERVER']['PHP_SELF']);
        unset($tmp[0]); unset($tmp[count($tmp)]);
        $path=implode("/",$tmp);
        if ( strlen($path) != 0 )  { $path.="/"; }

        $host=$_SERVER['HTTP_X_FORWARDED_HOST'];
        if (!$host) {
            $host=$_SERVER['HTTP_HOST'];
        }
        $this->baseUrl='http://'.$host.'/'.$path;
        if ( $this->cObj->data['tx_mcgooglesitemap_lastmod'] == 1 ) {
            $this->dateFormat='Y-m-d\TH:i:s\Z';
        } else {
            $this->dateFormat="Y-m-d";
        }
        if (  $type == 0 ) {
            $this->sitemapContent();       
        } elseif ($type==2) {
            $this->sitemapIndex();   
        } else {
            $this->sitemapPage();
        }

        echo "</urlset>\n";
        exit();

    }
    function sitemapContent($array=array()) {
        if ( count($array) == 0 ) { $array=$this->cObj->data; }
        if ( $array['tx_mcgooglesitemap_objective'] == "tt_news" ) { return $this->sitemapTTNews($array); }

        if ( $array['tx_mcgooglesitemap_changefreq'] != 0 ) { $fix['changefreq']=strtolower($this->act[$array['tx_mcgooglesitemap_changefreq']]); }
        if ( $array['tx_mcgooglesitemap_priority'] <= 1 && $array['tx_mcgooglesitemap_priority'] > 0 ) {
            $fix['priority']=$array['tx_mcgooglesitemap_priority'];
            if ( strlen($fix['priority']) == 1 ) { $fix['priority'].=".0"; }
        }
        $sel=mysql_query("SELECT * FROM ".$array['tx_mcgooglesitemap_objective']." WHERE pid IN (".$array['pages'].") ".$this->cObj->enableFields($array['tx_mcgooglesitemap_objective']));

        while ($row=mysql_fetch_array($sel,MYSQL_ASSOC)) {
#if ( $i++ > 10 ) { exit(); }

            // Alter Code Anfang
      // $tema=array_merge($fix,$tema);
            // $tema['lastmod']=gmdate($this->dateFormat,$row['tstamp']);
            // $tema['page']=$this->elcHash($array['tx_mcgooglesitemap_pageuid'],$this->replaceParams ($row,$array['tx_mcgooglesitemap_url']));
            // if ($GLOBALS['TYPO3_CONF_VARS']['EXT']['mc_googlesitemap'] == 1 ) { $tema['page']=$this->changeTitle($tema['page'],$row['title']); }

            // $tema['loc']=htmlspecialchars(utf8_encode($this->baseUrl.$tema['page']));
      // Alter Code Ende
     
      // ======== Neuer Code Anfang =======================
    $tema=array_merge($fix,$tema);
    $tema['lastmod']=gmdate($this->dateFormat,$row['tstamp']);
    $tema['page']=$this->elcHash($row['single_pid'],
    array("tx_ttnews[tt_news]" => $row['uid'],
      "tx_ttnews[day]" => date("d",$row['datetime']),
      "tx_ttnews[month]" => date("m",$row['datetime']),
      "tx_ttnews[year]" => date("Y", $row['datetime'])));
 
    $tema['loc']=htmlspecialchars(utf8_encode($this->baseUrl.$tema['page']));           
      // ======== Neuer Code Ende =========================
     
            $this->createElement($tema);
            unset($tema);
        }
    }
    function sitemapTTNews($array=array()) {
                if ( count($array) == 0 ) { $array=$this->cObj->data; }
        if ( count($GLOBALS['TYPO3_LOADED_EXT']['tt_news']) == 0 ) { return; }

                if ( $array['tx_mcgooglesitemap_changefreq'] != 0 ) { $fix['changefreq']=strtolower($this->act[$array['tx_mcgooglesitemap_changefreq']]); }
                if ( $array['tx_mcgooglesitemap_priority'] <= 1 && $array['tx_mcgooglesitemap_priority'] > 0 ) {
                        $fix['priority']=$array['tx_mcgooglesitemap_priority'];
                        if ( strlen($fix['priority']) == 1 ) { $fix['priority'].=".0"; }
                }

        $pages=explode(',',$array['pages'] ? $array['pages'] : $GLOBALS['TSFE']->id);
                foreach ($pages as $page) {
    // Alter Code Anfang
  // $res = $GLOBALS['TYPO3_DB']->sql(TYPO3_db, 'SELECT tt_news.uid,tt_news.tstamp, tt_news_cat.single_pid FROM tt_news LEFT OUTER  JOIN tt_news_cat_mm ON tt_news_cat_mm.uid_local = tt_news.uid LEFT OUTER JOIN tt_news_cat ON tt_news_cat_mm.uid_foreign = tt_news_cat.uid  WHERE tt_news.pid = '.$page.$this->cObj->enableFields("tt_news"));
  // Alter Code Ende
 
  // ======== Neuer Code Anfang =======================
  $res = $GLOBALS['TYPO3_DB']->sql(TYPO3_db, 'SELECT tt_news.uid,tt_news.tstamp,tt_news.datetime,tt_news_cat.single_pid FROM tt_news LEFT OUTER  JOIN tt_news_cat_mm ON tt_news_cat_mm.uid_local = tt_news.uid LEFT OUTER JOIN tt_news_cat ON tt_news_cat_mm.uid_foreign = tt_news_cat.uid  WHERE tt_news.pid = '.$page.$this->cObj->enableFields("tt_news"));
  // ======== Neuer Code Ende =========================
       
//    $res = $GLOBALS['TYPO3_DB']->sql(TYPO3_db, 'SELECT  tt_news.uid,tt_news.tstamp, tt_news_cat.single_pid FROM tt_news INNER JOIN tt_news_cat_mm ON tt_news_cat_mm.uid_local = tt_news.uid INNER JOIN tt_news_cat ON tt_news_cat_mm.uid_foreign = tt_news_cat.uid  WHERE tt_news.pid = '.$page.$this->cObj->enableFields("tt_news"));
            while($row = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {
                if ( $row['single_pid'] == 0 ) { $row['single_pid']=$GLOBALS['TSFE']->tmpl->setup['plugin.']['tt_news.']['singlePid']; }
                $tema=array_merge($fix,$tema);
                $tema['lastmod']=gmdate($this->dateFormat,$row['tstamp']);
       
        // ======== Neuer Code Anfang =======================
                $tema['page']=$this->elcHash($row['single_pid'], array("tx_ttnews[tt_news]" => $row['uid'], "tx_ttnews[day]" => date("d",$row['datetime']), "tx_ttnews[month]" => date("m",$row['datetime']), "tx_ttnews[year]" => date("Y", $row['datetime'])));
        // ======== Neuer Code Ende =========================
       
        // ALT
                // $tema['page']=$this->elcHash($row['single_pid'], array("tx_ttnews[tt_news]" => $row['uid']));
        // ALT
                            $tema['loc']=htmlspecialchars(utf8_encode($this->baseUrl.$tema['page']));

                if ( ((int)$row['single_pid']*1) == 0 ) {  $row['single_pid']=$array['tx_mcgooglesitemap_pageuid']; }
                if ( ((int)$row['single_pid']*1) != 0 ) {  $this->createElement($tema); }
                     unset($tema);
            }
print_R($i);
        }

    }

    function sitemapIndex($array=array()) {
        if ($this->cObj->data['pages']) {
            $pages=explode(',',$this->cObj->data['pages'] ? $this->cObj->data['pages'] : $GLOBALS['TSFE']->id);
            foreach ($pages as $page) {
                $tree.=$this->cObj->getTreeList($page, 1000);
            }
            $tree=substr($tree, 0, strlen($tree)-1);
            $getTree = " AND pages.uid IN (".$tree.") ";
        } else {
            $getTree = "";
        }

                $this->dateFormat='Y-m-d\TH:i:s\Z';
        $res=mysql_query("SELECT tt_content.* FROM tt_content INNER JOIN pages ON pages.uid=tt_content.pid WHERE ( tt_content.menu_type='mc_googlesitemap_pi1' OR tt_content.menu_type='mc_googlesitemap_pi3' ) " . $getTree .$this->cObj->enableFields("pages")." ".$this->cObj->enableFields("tt_content"));
       
    //$res=mysql_query("SELECT tt_content.* FROM tt_content INNER JOIN pages ON pages.uid=tt_content.pid WHERE ( tt_content.menu_type='mc_googlesitemap_pi1' OR  tt_content.menu_type='mc_googlesitemap_pi3' ) " .$this->cObj->enableFields("pages")." ".$this->cObj->enableFields("tt_content"));
            while($row=mysql_fetch_array($res)) {
                $url= $this->cObj->typolink("",array("no_cache" => 0,"returnLast" => "url","parameter" => $row['pid'], "useCacheHash" => 0));
                if ( $row['menu_type']=="mc_googlesitemap_pi1" ) {
                    $last=mysql_query("SELECT tstamp FROM ".$row['tx_mcgooglesitemap_objective']." WHERE pid IN (".$row['pages'].") ".$this->cObj->enableFields($row['tx_mcgooglesitemap_objective'])." ORDER BY tstamp DESC LIMIT 1");
                } else {
                    $last=mysql_query("SELECT tstamp FROM pages  WHERE pid IN (".$row['pages'].") ".$this->cObj->enableFields("pages")." ORDER BY tstamp DESC LIMIT 1");
                }
                $last=mysql_fetch_array($last);

                $linea[]= "\t<sitemap>";
                $linea[]= "\t\t<loc>".$this->baseUrl.$url."</loc>";
                $linea[]= "\t\t<lastmod>".gmdate('Y-m-d\TH:i:s\Z',$last[0])."</lastmod>";
                $linea[]= "\t</sitemap>";
                echo implodE("\n",$linea); unset($linea);
            }
            echo "</sitemapindex>\n";
                exit();



    }
        function sitemapPage($array=array()) {
                if ( count($array) == 0 ) { $array=$this->cObj->data; }

            $anormal=array();
           
            $pages=explode(',',$array['pages'] ? $array['pages'] : $GLOBALS['TSFE']->id);
            foreach ($pages as $page) {
                $tree.=$this->cObj->getTreeList($page, 1000);
            }

            $tree=substr($tree, 0, strlen($tree)-1);      
            $sel=mysql_query("SELECT uid,pid,doktype,tx_mcgooglesitemap_priority AS prio,tx_mcgooglesitemap_changefreq AS freq FROM pages WHERE uid IN (".$tree.") ".$this->cObj->enableFields("pages"));
            while ($row=mysql_fetch_array($sel,MYSQL_ASSOC)) {
                $pids[$row['uid']]=$row['pid'];
                $prios[$row['uid']]=$row['prio'];
                $freqs[$row['uid']]=$row['freq'];

                if ( ( !in_array($row['uid'],$pages) && ( $row['doktype'] == 254 ||  $row['doktype'] == 199 )) || @in_array($row['pid'],$anormal) )  { 
                    $anormal[]=$row['uid'];
                }
            }
            $tree=implode(",",array_merge($pages,array_diff(explode(",",$tree),$anormal)));
            if ( count($anormal) != 0 ) {
                $anormal=implode(",",$anormal);
                $anormalSql=" pid NOT IN (".$anormal.") AND ";
            }
           
            $sel=mysql_query("SELECT * FROM pages WHERE doktype IN(1,2) AND ".$anormalSql." uid IN (".$tree.") AND nav_hide=0 ".$this->cObj->enableFields("pages"));

            while ($row=mysql_fetch_array($sel,MYSQL_ASSOC)) {
                $uid=$row['uid'];
                $freq=$row['tx_mcgooglesitemap_changefreq'];
                while (($freq == 0) && array_key_exists($uid,$pids)) {
                    $uid=$pids[$uid];
                    $freq=$freqs[$uid];
                }
                $uid=$row['uid'];
                $prio=$row['tx_mcgooglesitemap_priority'];
                while (($prio == 0) && array_key_exists($uid,$pids)) {
                    $uid=$pids[$uid];
                    $prio=$prios[$uid];
                }
                if ( $freq != 0 ) { $tema['changefreq']=strtolower($this->act[$freq]); }
                if ( $prio <= 1 && $prio > 0 ) {
                    $tema['priority']=$prio;
                    if ( strlen($tema['priority']) == 1 ) { $tema['priority'].=".0"; }
                }
                $time=($row['SYS_LASTCHANGED']>$row['tstamp'])?$row['SYS_LASTCHANGED']:$row['tstamp'];
                $tema['lastmod']=gmdate($this->dateFormat,$time);
                $tema['page']=$this->elcHash($row['uid'],array(),0);
                if ( @strpos('http://',$tema['page'])===false ) {
                    $tema['loc']=htmlspecialchars(utf8_encode($this->baseUrl.$tema['page']));
                } else {
                    $tema['loc']=htmlspecialchars(utf8_encode($tema['page']));
                }
                $this->createElement($tema);
                unset($tema);
            }
    }
    function recoverTree($pids) {
        $i=0; $pids=explode(",",$pids); $max=count($pids);
        while ($i < $max) {
            $salida=array_merge($salida,$tree= $this->cObj->getTreeList($pids[$i], 100));
            $i++;
        }

        return $salida;


    }

    function replaceParams ($fields,$params) {
        $params=str_replace("?","",$params);

        $i=0; $max=count($fields); $keys=array_keys($fields);
        while ($i < $max) {
            $params=str_replace("###".$keys[$i]."###",$fields[$keys[$i]],$params);
            $i++;
        }
        $i=0; $ele=explode("&",$params);$max=count($ele);
        while ($i < $max) {
            $tmp=explodE("=",$ele[$i]);
            $salida[$tmp[0]]=$tmp[1];
            $i++;
        }
        return $salida;

    }
        function elcHash ($page,$array,$cHash=1) {
                $i=0; $max=count($array); $keys=array_keys($array);
                while ($i < $max) {
            if ( strlen($array[$keys[$i]]) != 0 ) {
                            $salida.="&".$keys[$i]."=".$array[$keys[$i]];
            }
                        $i++;
                }

                $typolink_conf=array(
                        "no_cache" => 0,
                        "returnLast" => "url",
                        "parameter" => $page,
                        "additionalParams" => $salida,
                        "useCacheHash" => $cHash);

                        return $this->cObj->typolink("",$typolink_conf);
        }
    function createElement($array) {
        $linea[]="\t<url>";
        $linea[]="\t\t<loc>".$array['loc']."</loc>";
        $linea[]="\t\t<lastmod>".$array['lastmod']."</lastmod>";
        if ( strlen($array['changefreq']) != 0 ) { $linea[]="\t\t<changefreq>".$array['changefreq']."</changefreq>"; }
        if ( strlen($array['priority']) != 0 ) { $linea[]="\t\t<priority>".$array['priority']."</priority>"; }
        $linea[]="\t</url>\n";   
        echo implode("\n",$linea); unset($linea);           
    }
        function changeTitle($url,$str){
                $str=str_replace(chr(225),"a",$str);
                $str=str_replace(chr(233),"e",$str);
                $str=str_replace(chr(237),"i",$str);
                $str=str_replace(chr(243),"o",$str);
                $str=str_replace(chr(250),"u",$str);

                $str=str_replace(chr(193),"A",$str);
                $str=str_replace(chr(201),"E",$str);
                $str=str_replace(chr(205),"I",$str);
                $str=str_replace(chr(211),"O",$str);
                $str=str_replace(chr(218),"U",$str);

                $str=str_replace(chr(241),"n",$str);
                $str=str_replace(chr(209),"N",$str);

                $str=str_replace("+","",$str);
                $str=str_replace("%","",$str);
                $str=str_replace("&","",$str);
                $str=str_replace("(","",$str);
                $str=str_replace(")","",$str);
                $str=str_replace("$","",$str);
                $str=str_replace("@","",$str);
                $str=str_replace("#","",$str);
                $str=str_replace("!","",$str);
                $str=str_replace("","",$str);
                $str=str_replace("?","",$str);
                $str=str_replace("","",$str);
                $str=str_replace(":","",$str);
                $str=str_replace('.',"",$str);
                $str=str_replace("'","",$str);
                $str=str_replace("'","",$str);
                $str=str_replace("*","",$str);
                $str=str_replace(';',"",$str);
                $str=str_replace(',',"",$str);


                $str=str_replace(" ","_",$str);
                $str=str_replace("\n","",$str);
                $str=str_replace("\r","",$str);
                $str=str_replace("\t","",$str);
                $tmp=explode('.',$url);
                $tmp[0]=$str;
                return implode('.',$tmp);

       }

}

if (defined("TYPO3_MODE") && $TYPO3_CONF_VARS[TYPO3_MODE]["XCLASS"]["ext/mc_googlesitemap/class.tx_mcgooglesitemap_base.php"])
{
    include_once ($TYPO3_CONF_VARS[TYPO3_MODE]["XCLASS"]["ext/mc_googlesitemap/class.tx_mcgooglesitemap_base.php"]);
}
?>