laravel framework session id decryption algorithm laravel auth session laravel session time laravel session none

$encrypter = new Illuminate\Encryption\Encrypter('qianzhudecangshu');
        $session_filename = $encrypter->decrypt($_COOKIE['cangshu']);
        var_dump($session_filename);exit;

The solution above is a third-party library https://github.com/illuminate/encryption. In fact, it is just a package that relies on laravel’s built-in implementation. It is useless

The following one is a built-in library in laravel 4.1

$b = Crypt::decrypt($_COOKIE['cangshu']);
		dump($b);
		
		$a = Crypt::encrypt('96c65a2077a21ad8e960ba1078641f90e2d93aa1');
		dump($a);
		
		$c = Crypt::decrypt($a);
dump($c);

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The above introduces the laravel framework session id decryption algorithm, including laravel and session content. I hope it will be helpful to friends who are interested in PHP tutorials.