DEDE织梦模板设置根据文章标题自动获取tag的代码

if($autokey==1){
    require_once(DEDEADMIN."/../include/pub_splitword_[url]www.php[/url]");
    $tag = "";
    $sp = new SplitWord();
    $titleindexs = explode(" ",trim($sp->GetIndexText($sp->SplitRMM($title))));
    //$allindexs = explode(" ",trim($sp->GetIndexText($sp->SplitRMM(Html2Text($body)),200)));
    if(/*is_array($allindexs) && */is_array($titleindexs)){
        foreach($titleindexs as $k){   
            if(strlen($tag)>=50) break;
            else $tag .= $k." ";
        }
        /*foreach($allindexs as $k){
            if(strlen($keywords)>=50) break;
            else if(!in_array($k,$titleindexs)) $keywords .= $k." ";
     }*/
    }
    $sp->Clear();
    unset($sp);
    //$tag = preg_replace("/#1#|#2#/","",$tag);
    $tag = addslashes($tag);
}