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User logout function

The user clicks to log out to perform the session destruction operation

The code of logout.php is as follows:

<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2018/2/27 0027
 * Time: 上午 11:44
 */
header('Content-type:text/html;charset=utf-8');
session_start();
if(isset($_SESSION['username'])){
    session_unset($_SESSION['username']);
    session_destroy();//銷毀一個會話中的全部數(shù)據(jù)
    setcookie(session_name(),'');//銷毀與客戶端的聯(lián)系
    echo "<script>alert('注銷成功！');location.href='login.html';</script>";
}else{
    echo "<script>alert('注銷失??！');</script>";
}


Continuing Learning
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<?php /** * Created by PhpStorm. * User: Administrator * Date: 2018/2/27 0027 * Time: 上午 11:44 */ header('Content-type:text/html;charset=utf-8'); session_start(); if(isset($_SESSION['username'])){ session_unset($_SESSION['username']); session_destroy();//銷毀一個會話中的全部數(shù)據(jù) setcookie(session_name(),'');//銷毀與客戶端的聯(lián)系 echo "<script>alert('注銷成功！');location.href='login.html';</script>"; }else{ echo "<script>alert('注銷失敗！');</script>"; }
submitReset Code