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("/