PHP销毁会话

1.案例：设置session

<?php
header('content-type:text/html;charset=utf-8');
//开启会话
session_start();
//设置数据
$_SESSION['username'] ='king';
$_SESSION['email'] = '721812901@qq.com';
$_SESSION['age'] = 23;

echo 'sessiond的名字：',session_name(),'<br/>';
echo 'sessiond的id：',session_id(),'<br/>';

2.

<?php
session_start();

//将$_SESSION 数据清空
$_SESSION=[];

//删除会话cookie

if(ini_get('session.use_cookies')){
    $params = session_get_cookie_params();
    setcookie(session_name(),'',time()-1,$params['path'],$params['domain'],$params['secure'],$params['httponly']);
}

//销毁会话
session_destroy();