php显示服务器时间代码

<div id="time" align="center">time </div> 
<script language="javascript">
function time1()
{
var now,n,y,r,h,m,s;
now=new Date();
n = now.getYear();
y = now.getMonth()+1;
r = now.getDate();
h = now.getHours();
m =now.getMinutes();
s = now.getSeconds();
if(y <10) y="0"+y;
if(r <10) r="0"+r;
if(h <10) h="0"+h;
if(m <10) m="0"+m;
if(s <10) s="0"+s;
document.getElementById("time").innerHTML="现在时间是："+ n + "-" + y + "-" + r + " "+ h + ":" + m + ":" + s;
setTimeout("time1();", 1000);
}
time1();
</script>