织梦文档关键词维护中设置词语重叠后出错的修改方法

  /**     * 高亮问题修正,排除alt Title aram string $kw     * @param string $body     * @return string     */    function ReplaceKeyword($kw,&$body)    {        global $cfg_CMSpath;        $maxkey = 5;        $kws = explode(",",trim($kw));    //以分好为间隔符        $i=0;        $karr = $kaarr = $GLOBALS['replaced'] = array();        //暂时屏蔽超链接        $body = preg_replace("#(query = "SELECT * FROM keywords WHERE rpurl<>'' ORDER BY rank DESC"; // 原版的$query="SELECT * FROM `keywords` WHERE rpurl<>'' and sta=1 ORDER BY length(keyword) DESC"; // 修改 优先处理长关键词        $this->dsql->Setquery($query);        $this->dsql->Execute();        while($row = $this->dsql->GetArray())        {            $key = trim($row['keyword']);            $key_url=trim($row['rpurl']);            $karr[] = $key;            $kaarr[] = "Title-prefix' href='$key_url' target='_blank'>$key		

//高亮专用,替换多次是可能不能达到最多次function _highlight($string,$words,$result,$pre){    global $cfg_replace_num;    $string = str_replace('"','"',$string);if($GLOBALS['replaced'][$words] == 1){return $pre.$string;}    if($cfg_replace_num > 0)    {        // foreach ($words as $key => $word)        // {        //     if($GLOBALS['replaced'][$word] == 1)        //     {        //         continue;        //     }            //$string = preg_replace("#".preg_quote($key)."#",$result[$key],$string,$cfg_replace_num);            $string = preg_replace("#".preg_quote($words)."#",$cfg_replace_num);  // 修改后            if(strpos($string,$words) !== FALSE)            {                $GLOBALS['replaced'][$words] = 1;            }        // }    }    else    {        $string = str_replace($words,$string);    }    return $pre.$string;}