dedecms根据文章标题自动获取tag

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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("/
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