PHP 关键词替换出现乱码

[zl2727]

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;
}

[zl2727]

这会把 孩子 替换成 虾