1. Go to this page and download the library: Download rawilk/yubikey-u2f library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
rawilk / yubikey-u2f example snippets
// An exception will be thrown if the key is not valid.
$response = \Rawilk\Yubikey\Facades\Yubikey::verify(request()->otp);
Auth::user()->associateYubikeyIdentity($response['identity']);
// On a login 2fa request, you can verify the key is valid and tied to the user like this:
$user->verifyYubikeyIdentity(request()->otp);