gerar-qrcode-dinamico.php

<?php

require __DIR__.'/vendor/autoload.php';
require __DIR__.'/config-pix.php';

use \App\Pix\Api;
use \App\Pix\Payload;
use Mpdf\QrCode\QrCode;
use Mpdf\QrCode\Output;

//INSTANCIA DA API PIX
$obApiPix = new Api(API_PIX_URL,
                    API_PIX_CLIENT_ID,
                    API_PIX_CLIENT_SECRET,
                    API_PIX_CERTIFICATE);

//CORPO DA REQUISIÇÃO
$request = [
  'calendario' => [
    'expiracao' => 3600
  ],
  'devedor' => [
    'cpf' => '12345678909',
    'nome' => 'Fulano de Tal'
  ],
  'valor' => [
    'original' => '10.00'
  ],
  'chave' => PIX_KEY,
  'solicitacaoPagador' => 'Pagamento do pedido 123'
];

//RESPOSTA DA REQUISIÇÃO DE CRIAÇÃO
$response = $obApiPix->createCob('WDEV1234123412340000000007',$request);

//VERIFICA A EXISTÊNCIA DO ITEM 'LOCATION'
if(!isset($response['location'])){
  echo 'Problemas ao gerar Pix dinâmico';
  echo "<pre>";
  print_r($response);
  echo "</pre>"; exit;
}

//INSTANCIA PRINCIPAL DO PAYLOAD PIX
$obPayload = (new Payload)->setMerchantName(PIX_MERCHANT_NAME)
                          ->setMerchantCity(PIX_MERCHANT_CITY)
                          ->setAmount($response['valor']['original'])
                          ->setTxid('***')
                          ->setUrl($response['location'])
                          ->setUniquePayment(true);

//CÓDIGO DE PAGAMENTO PIX
$payloadQrCode = $obPayload->getPayload();


//QR CODE
$obQrCode = new QrCode($payloadQrCode);

//IMAGEM DO QRCODE
$image = (new Output\Png)->output($obQrCode,400);

?>

<h1>QR CODE DINÂMICO DO PIX</h1>

<br>

<img src="data:image/png;base64, <?=base64_encode($image)?>">

<br><br>

Código pix:<br>
<strong><?=$payloadQrCode?></strong>