谁能帮帮我呀，如何转成php语言并附注释，急用，谢谢。

keyword=EnCode(request("keyword"))

set rs=server.CreateObject("adodb.recordset")

sqlstr="select s.id,s.OrderNum,s.fullPinyin,s.spotsName,(select city.cityName from [tb_City] city where city.id=s.cityID) cityName,(case s.TimeInterval when 1 then '夜间' else '白天' end) TimeInterval,s.teamPrice,s.fitPrice,s.editDate from tb_Spots s where s.useType=0"

if keyword<>"" then

sqlstr=sqlstr&" and (s.spotsName like '%"&keyword&"%' or s.contents like '%"&keyword&"%')"

end if

sqlstr=sqlstr&" order by s.OrderNum asc,s.id desc"

rs.open sqlstr,conn,1,1