课程进度 48% · 第11/22章第11/22章 · 标签 1/2
— 1 —
会话基础
```php <?php session_start(); // 启动会话 // 设置session $_SESSION['user_id'] = 1; $_SESSION['username'] = "Tom"; // 读取session echo $_SESSION['username']; // 删除session unset($_SESSION['username']); session_destroy(); // 销毁所有session ?> ```
php
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session_start(); // 启动会话
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// 设置session
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$_SESSION['user_id'] = 1;
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$_SESSION['username'] = "Tom";
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// 读取session
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echo $_SESSION['username'];
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// 删除session
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unset($_SESSION['username']);
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session_destroy(); // 销毁所有session
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— 2 —
Cookie基础
```php
<?php
// 设置cookie（过期时间1小时）
setcookie("lang", "zh-CN", time()+3600, "/");
// 读取cookie
echo $_COOKIE['lang'] ?? '默认';
// 删除cookie
setcookie("lang", "", time()-3600, "/");
// 安全配置
setcookie("token", "abc", [
'expires' => time()+3600,
'httponly' => true,
'secure' => true,
'samesite' => 'Strict',
]);
?>
```
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// 设置cookie（过期时间1小时）
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setcookie("lang", "zh-CN", time()+3600, "/");
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// 读取cookie
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echo $_COOKIE['lang'] ?? '默认';
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// 删除cookie
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setcookie("lang", "", time()-3600, "/");
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// 安全配置
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setcookie("token", "abc", [
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'expires' => time()+3600,
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'httponly' => true,
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'secure' => true,
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'samesite' => 'Strict',
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]);
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session_start$_SESSIONsetcookiehttponlysamesite