Encryption with Laravel

controller.php

<?php

\Illuminate\Encryption\Encrypter;

$key = 'password12345678';
$encrypter = new Encrypter($key);

$payload = ['username'=>'admin', 'password'=>'password'];
$encryption = $encrypter->encrypt($payload);

echo $encryption . '<br>';

$data = $encrypter->decrypt($encryption);

echo $data;