1. Go to this page and download the library: Download slince/china 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/ */
slince / china example snippets
$china = new China();
$holidayService = $chna->getHoliday();
print_r($holidayService->findAll());