TrainMore QR code

trainmore.php

<?php
$PUBLIC_FACILITY_GROUP = ...;
$AUTH_TOKEN = ...;

// get QR code data
$ch = curl_init('https://my.trainmore.nl/nox/v1/customerqrcode/');
curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_ENCODING       => '',
    CURLOPT_HTTPHEADER     => [
        'user-agent: Dart/3.8 (dart:io) ios/Version 26.0 (Build 23A5308g)',
        'x-nox-client-version: 3.72.1',
        'x-nox-client-type: APP_V5',
        'accept-language: en',
        "x-public-facility-group: $PUBLIC_FACILITY_GROUP",
        "x-auth-token: $AUTH_TOKEN"
    ]
]);
$json = curl_exec($ch);
curl_close($ch);

$data = json_decode($json, true)['content'] ?? '';

// fetch QR code image
$ch = curl_init('https://api.qrserver.com/v1/create-qr-code/?format=png&size=960x960&margin=50&data=' . rawurlencode($data));
curl_setopt_array($ch, [
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_ENCODING       => ''
]);
$svg = curl_exec($ch);
curl_close($ch);

header('Content-Type: image/png');
header('Cache-Control: no-store, no-cache, must-revalidate, max-age=0');
header('Cache-Control: post-check=0, pre-check=0', false);
header('Pragma: no-cache');
header('Expires: 0');

echo $svg;
?>