4替换成以下代码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>)/isU', '\\1-]-\\4-[-\\6', $body);
global $dsql;
$query='SELECT * FROM #@__keywords WHERE rpurl<>'' and sta=1 ORDER BY length(keyword)desc';
$dsql->SetQuery($query);
$dsql->Execute();
while($row = $dsql->GetArray())
{
$key = trim($row['keyword']);
$key_url=trim($row['rpurl']);
$karr[] = $key;
$kaarr[] = '$key';
}
foreach ($karr as $key => $word)
{
$body = preg_replace('/(^|>)([^<]+)(?=<|$)/sUe', '_highlight('\\2', \$karr[$key], \$kaarr[$key], '\\1')', $body);
//echo $body.'
';
//恢复超链接
$body = preg_replace('/()/isU', '\\1>\\3<\\4', $body);
//暂时屏蔽超链接
$body = preg_replace('/()(.*)(<)(\/a>)/isU', '\\1-]-\\4-[-\\6', $body);
}
//恢复超链接
$body = preg_replace('/()/isU', '\\1>\\3<\\4', $body);
return $body;
}
}//End Archives
//高亮专用, 替换多次是可能不能达到最多次
function _highlight($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)
{
$string = preg_replace('/'.preg_quote($words).'/', $result, $string, $cfg_replace_num);
if(strpos($string, $words) !== false)
{
$GLOBALS['replaced'][$words] = 1;
//echo $words;
}
}
else
{
$string = str_replace($words, $result, $string);
}
return $pre.$string;
}
