1660035730
如何在 PHP 中使用 Session_encode() 函數
在這個簡短的指南中，我們將分享如何在 PHP 中使用 session_encode() 創建序列化會話字符串
PHPsession_encode()函數用於將可用的會話數據序列化為編碼字符串。
該函數不接受任何參數，它將根據可用的會話數據返回一個string或。false
session_encode(): string|false
下面是一個調用session_encode()函數的例子：
<?php
// 👇 call session_start() to make $_SESSION available
session_start();
// 👇 create some session data
$_SESSION['logged_in'] = true;
$_SESSION['username'] = 'Jack';
// 👇 echo the call to session_encode()
echo session_encode();
// 👇 returned value
// logged_in|b:1;username|s:4:"Jack";
上面代碼中的調用session_encode()返回：
logged_in|b:1;username|s:4:"Jack";
該函數使用與函數不同的普通序列化serialize()函數。
如果您使用該serialize()函數，結果將是：
a:2:{s:9:"logged_in";b:1;s:8:"username";s:4:"Jack";}
session_start()調用函數前需要先調用session_encode()函數，否則PHP會顯示如下提示：
Warning: session_encode(): Cannot encode non-existent session in ...這就是session_encode()函數在 PHP 中的工作原理👍
鏈接：https ://sebhastian.com/session-encode-php/
#php
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