1. Go to this page and download the library: Download secrethash/currency 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/ */
secrethash / currency example snippets
$currency = new Secrethash\Currency\Currency;
echo $currency->convert(100, 'USD', 'INR');