织梦设置根据文章标题自动获取tag标签的方法

if($autokey==1){ 
    require_once(DEDEADMIN."/../include/pub_splitword_www.php"); 
    $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("/