修复Index.php第6行错误未定义索引：注销[关闭]

Question

Undefined index: logout in F:\xampp\htdocs\xxx\index.php on line 6 This is the index.

<?php
session_start();
date_default_timezone_set('Europe/Paris'); 

// LOGOUT
if($_GET['logout']==1).

Answer 1

i suggestion to you, first create a function ex:

<?php
function get_request($name, $default = ''){
    if(isset($_REQUEST[$name])){
        if($_REQUEST[$name] != ''){
            return $_REQUEST[$name];
        }else{
            return $default
        }
    }else{
        return $default
    }
}
?>

Now! you can use

<?php
session_start();
date_default_timezone_set('Europe/Paris'); 

// LOGOUT
if(get_request('logout', 0) == 1)

or for simple use, you can write:

// LOGOUT
if(isset($_GET['logout']) && $_GET['logout'] == 1)

regards :-)