How to disable page refresh in php

How to disable refresh in php: first exit the proxy IP directly; then set the time period and number of refreshes to prevent rapid refresh; then set the monitoring variables and process the monitoring results; finally jump to the attacker's server address. Can.

php page prevents refreshing code

//代理IP直接退出
empty($_SERVER['HTTP_VIA']) or exit('Access Denied');
//防止快速刷新
session_start();
$seconds = '3'; //时间段[秒]
$refresh = '5'; //刷新次数
//设置监控变量
$cur_time = time();
if(isset($_SESSION['last_time'])){
    $_SESSION['refresh_times'] += 1;
}else{
    $_SESSION['refresh_times'] = 1;
    $_SESSION['last_time']     = $cur_time;
}
//处理监控结果
if($cur_time - $_SESSION[&#39;last_time&#39;] < $seconds){
    if($_SESSION[&#39;refresh_times&#39;] >= $refresh){
        //跳转至攻击者服务器地址
        header(sprintf(&#39;Location:%s&#39;, &#39;http://127.0.0.1&#39;));
        exit(&#39;Access Denied&#39;);
    }
}else{
    $_SESSION[&#39;refresh_times&#39;] = 0;
    $_SESSION[&#39;last_time&#39;] = $cur_time;

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