php自动刷新页面,该如何处理

<br><!--?<br /-->ob_start();<br>if(!isset($_COOKIE['times'])){<br>    $times = 0;<br>    setcookie('times',$times,time()+3600);<br>}else{<br>    $times = $_COOKIE['times']+1;<br>    if($times<=10){<br>        setcookie('times',$times,time()+3600);<br>    }<br>}<br>?><br><br><br> <br>  <title>每5秒刷新1次，共刷新10次</title><br>  <meta http-equiv="content-type" content="text/html; charset=utf-8"><br>  <!--?php if($times<10){ ?--><br>  <meta http-equiv="refresh" content="5"><br>  <!--?php } ?--><br> <br><br> <br>  <p>每5秒刷新一次，共刷新10次，当前已刷新<!--?php echo $times ?-->次</p><br> <br><br>