PHP 关键词替换出现乱码

zl2727 2013-12-18 05:17:31

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("#(<a(.*))(>)(.*)(<)(\/a>)#isU", '\\1-]-\\4-[-\\6', $body);



        $query ="select * from #@__arctype where isbaike=1";

        $this->dsql->Execute("bkarry",$query);

        while($row = $this->dsql->GetArray("bkarry"))

        {

            $key = trim($row['typename']);

            $key_url=GetTypeUrl($row['id'],$row['typedir'],$row['isdefault'],$row['defaultname'],$row['ispart'],

            $row['namerule2'],$row['moresite'],$row['siteurl'],$row['sitepath']);

            $karr[] = $key;



			$kaarr[] = "<a href='$key_url' class='cmsLink' $data target='_blank'>$key</a>";

        }



        // 这里可能会有错误

        $body = @preg_replace("#(^|>)([^<]+)(?=<|$)#sUe", "_highlight('\\2', \$karr, \$kaarr, '\\1')", $body);



        //恢复超链接

        $body = preg_replace("#(<a(.*))-\]-(.*)-\[-(\/a>)#isU", '\\1>\\3<\\4', $body);

        return $body;

    }





}



//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);

	 uasort($words,create_function('$a, $b','return strlen($a)>strlen($b);'));

    if($cfg_replace_num > 0)

    {

        foreach ($words as $key => $word)

        {

            if($GLOBALS['replaced'][$word] == 1)

            {

                continue;

            }

            $string = preg_replace("#".preg_quote($word)."#", $result[$key], $string, $cfg_replace_num);

            if(strpos($string, $word) !== FALSE)

            {

                $GLOBALS['replaced'][$word] = 1;

            }

        }

    }

    else

    {

        $string = str_replace($words, $result, $string);

    }

    return $pre.$string;

}