1. Go to this page and download the library: Download moleft/data-encrypt 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/ */
use MoLeft\DataCrypt\Config;
$config = new Config($config_option);
use MoLeft\DataCrypt\Config;
use MoLeft\DataCrypt\DataEncryptException;
try{
$config = new Config($config_option);
}catch(DataEncryptException $e){
die($e->getMessage());
}