get_amount_description_from_payment_request.php

<?php

declare(strict_types=1);

/*
 * This file is part of the PHP Bitcoin BOLT11 package.
 *
 * (c) Jorijn Schrijvershof <jorijn@jorijn.com>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

use Jorijn\Bitcoin\Bolt11\Encoder\PaymentRequestDecoder;
use Jorijn\Bitcoin\Bolt11\Model\Tag;
use Jorijn\Bitcoin\Bolt11\Normalizer\PaymentRequestDenormalizer;

require dirname(__DIR__).DIRECTORY_SEPARATOR.'vendor'.DIRECTORY_SEPARATOR.'autoload.php';

$invoice = 'lnbc9678785340p1pwmna7lpp5gc3xfm08u9qy06djf8dfflhugl6p7lgza6dsjxq454gxhj9t7a0sd8dgfkx7cmtwd68yetpd5s9xar0wfjn5gpc8qhrsdfq24f5ggrxdaezqsnvda3kkum5wfjkzmfqf3jkgem9wgsyuctwdus9xgrcyqcjcgpzgfskx6eqf9hzqnteypzxz7fzypfhg6trddjhygrcyqezcgpzfysywmm5ypxxjemgw3hxjmn8yptk7untd9hxwg3q2d6xjcmtv4ezq7pqxgsxzmnyyqcjqmt0wfjjq6t5v4khxxqyjw5qcqp2rzjq0gxwkzc8w6323m55m4jyxcjwmy7stt9hwkwe2qxmy8zpsgg7jcuwz87fcqqeuqqqyqqqqlgqqqqn3qq9qn07ytgrxxzad9hc4xt3mawjjt8znfv8xzscs7007v9gh9j569lencxa8xeujzkxs0uamak9aln6ez02uunw6rd2ht2sqe4hz8thcdagpleym0j';

$decoder = new PaymentRequestDecoder();
$denormalizer = new PaymentRequestDenormalizer();

$paymentRequest = $denormalizer->denormalize($decoder->decode($invoice));

echo 'satoshis: '.$paymentRequest->getSatoshis().PHP_EOL;
echo 'description: '.$paymentRequest->findTagByName(Tag::DESCRIPTION)->getData().PHP_EOL;