1. Go to this page and download the library: Download laravel-creative/draftable 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/ */
$article->saveAsDraft();
$article->draft->setData('publish_date',Carbon::now()->addDay());
//you can get the data with this method
$article->draft->getData('publish_date');