PHP+JS获取服务器当前时间动态显示，自动刷新

header("content-type:text/html;charset=gb2312");  
date_default_timezone_set("PRC");  
echo \'<div id="time"></div>  
<script type="text/javascript">  
    var dayNames = new Array("星期日","星期一","星期二","星期三","星期四","星期五","星期六");  
        function get_obj(time){  
            return document.getElementById(time);  
        }  
        var ts=\'.(round(microtime(true)*1000)).\';  
        function getTime(){  
            var t=new Date(ts);  
            with(t){  
                var _time=""+getFullYear()
                +"-"
                + (getMonth()+1)+"-"+getDate()
                +" "
                + (getHours()<10 ? "0" :"")
                + getHours()
                + ":"
                + (getMinutes()<10 ? "0" :"")
                + getMinutes()
                + ":"
                + (getSeconds()<10 ? "0" :"")
                + getSeconds()
                + " "
                + dayNames[t.getDay()];
            }  
            get_obj("time").innerHTML=_time;  
            setTimeout("getTime()",1000);  
            ts+=1000;  
        }  
        getTime();  
</script>\';  

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