我可以在 $_SESSION 空间中存储类实例吗?

问题描述

 Class User{

public $id;
public $username;
public $password;
public $email;
public $steam;
public $donator;
public $active;

public function __construct($username, $email, $password, $id, $active, $donator, $steam){
    $this->id = $id;
    $this->username = $username;
    $this->password = $password;
    $this->email = $email;
    $this->steam = $steam;
    $this->donator = $donator;
    $this->active = $active;
}}

是我的班级(简体)

以下是我的代码:

$_SESSION['loggedIn'] = $user;

$user 是 User 的类实例

$user is a class instance of User

现在这就是 print_r($_SESSION['loggedIn']) 显示给我的:

now this is what print_r($_SESSION['loggedIn']) shows me:

    __PHP_Incomplete_Class Object
(
    [__PHP_Incomplete_Class_Name] => User
    [id] => 22
    [username] => xxxx
    [password] => xxxx
    [email] => xxxx
    [steam] => 1234567
    [donator] => 0
    [active] => 1
)

其中 xxxx 是正确的值.

in which xxxx are values that are correct.

但是当我尝试从会话中检索数据时.像这样:$_SESSION['loggedIn']->username"它向我返回一个空值.

but when i try to retrieve data from my session. like so: "$_SESSION['loggedIn']->username" it returns a null value to me.

推荐答案

您必须先将对象序列化为字符串:

You must first serialize the object in to a string:

$_SESSION['user'] = serialize($user);

和:

$user = unserialize($_SESSION['user']);

只需确保在反序列化对象之前首先定义了类.

Just make sure that the class is first defined before unserializing the object.

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