1. Go to this page and download the library: Download ragaga/certificate-checker 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/ */
ragaga / certificate-checker example snippets
use Ragaga\CertificateChecker\CertificateChecker;
use Ragaga\CertificateChecker\CheckerFactory;
use Ragaga\CertificateChecker\Enums\CryptoProvider;
use Ragaga\CertificateChecker\Checkers\RutokenChecker;
use Ragaga\CertificateChecker\Checkers\CryptoproChecker;
use Ragaga\CertificateChecker\SignatureData;