for( $i=1;$i {

$sql ="SELECT * FROM `表名` WHERE `字段` like '%%' ";

$query = mysql_query( $sql ) or die(mysql_error());

if( mysql_num_rows( $query ) )
{
while ( $rs = mysql_fetch_array( $query ) )
{
//print_r($rs);

$t = stripslashes($rs['字段']);
$str = nl2br(strip_tags(addslashes(removelink($t))));
$sql ="update 表名 set 字段='$str' where id=".$rs['id'];


if( mysql_query($sql))
{
echo $rs['id'].'成功
';
}
else
{
echo mysql_error();
}
}
}
else
{
echo '己更新过没有记录了'.$sql.'
';
}

}

function removelink($t)
{
//$str = preg_replace("/

return re_h($str);
}

function re_h($str)
{
$str = str_replace('

','',$str);
$str = str_replace('

','',$str);
$str = str_replace('

','',$str);
$str = str_replace('

','',$str);
$str = str_replace('

','',$str);
$str = str_replace('

preg_replace("/(?is)(?).*?(?=)/i","",$t);

ereg_replace('

ereg_replace("","",$content);

$find="this string is my find";
$string='替换掉了';//将超链接替换成的内容
echo ereg_replace('','2',$content);