RDCW Slip Verify - PHP cURL Example

example.php

<?php

/**
 * Inquire Transfer Slip validity and details
 *
 * @param string  $clientId       Application Client ID
 * @param string  $clientSecret   Application Client Secret
 * @param string  $payload        Payload String from QR Code
 *
 * @return object|null Returns validity and details on successful, or null on failure
 */
function suba_inquiry($clientId, $clientSecret, $payload) {
  $ch = curl_init('https://suba.rdcw.co.th/v1/inquiry');

  curl_setopt($ch, CURLOPT_USERPWD, "{$clientId}:{$clientSecret}");
  curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
  curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode(['payload' => $payload]));
  curl_setopt($ch, CURLOPT_ENCODING, '');
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

  $response = @json_decode(curl_exec($ch));
  curl_close($ch);

  if ($response && isset($response->valid)) {
    return $response;
  }

  return null;
}

?>

example_image_upload.php

<?php

$clientId = '';
$clientSecret = '';

?>

<h4>Slip Verify Image Upload API Example</h4>

<form method="POST" action="" enctype="multipart/form-data">
  <label for="slip_image">Slip Image: </label>
  <input type="file" accept="image/*" name="slip_image" id="slip_image" required />

  <button type="submit">Verify</button>
</form>

<?php

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
  $ch = curl_init('https://suba.rdcw.co.th/v2/inquiry');

  curl_setopt($ch, CURLOPT_USERPWD, "{$clientId}:{$clientSecret}");
  curl_setopt($ch, CURLOPT_POSTFIELDS, [
    'file' => new CURLFile(
      $_FILES['slip_image']['tmp_name'],
      $_FILES['slip_image']['type']
    )
  ]);
  curl_setopt($ch, CURLOPT_ENCODING, '');
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

  $response = @json_decode(curl_exec($ch));
  curl_close($ch);
  
  if ($response && $response->valid) {
    echo '<p style="color: green;">This slip is valid!!</p>';
  }

  echo '<pre>';
  print_r($response);
  echo '</pre>';
  
  // TODO: Do something with this data.
}

?>