$data['email'] = $_POST['email'];
$data['description'] = $_POST['description'];
$data['currency'] = 'PHP';
$data['total'] = $_POST['first_item_price'] + $_POST['second_item_price'] + $_POST['third_item_price'];
$data['urls']['callback'] = 'https://client/callback/url';
$data['urls']['postback'] = 'https://client/postback/iurl';
$data['ref_no'] = substr(crypt($data['client_key']), 6);
$data['mobile_no'] = $_POST['mobile_no'];
$data['items'][0]['name'] = $_POST['first_item_name'];
$data['items'][0]['price'] = $_POST['first_item_price'];
$data['items'][1]['name'] = $_POST['second_item_name'];
$data['items'][1]['price'] = $_POST['second_item_price'];
$data['items'][2]['name'] = $_POST['third_item_name'];
$data['items'][2]['price'] = $_POST['third_item_price'];
$data['info'][0]['title'] = 'Information I';
$data['info'][0]['value'] = $_POST['first_item_description'];
$data['info'][1]['title'] = 'Information II';
$data['info'][1]['value'] = $_POST['second_item_description'];
$data['info'][2]['title'] = 'Information III';
$data['info'][2]['value'] = $_POST['third_item_description'];
$signature = $client->doHash($_POST['title'] . $_POST['email'] . 'PHP' . $data['total'] . $_POST['description'] . $data['ref_no'] . $_POST['email'] . $_POST['mobile_no'] . $client->secret_key);
$data['signature'] = $signature;
$json_data = json_encode($data, JSON_UNESCAPED_SLASHES);
$response = $client->doPost($json_data, $token_auth);
print_r($response);
$redirect_url = 'https://pay-dev.klaseko.com/payment?t=' . $response->transaction_token;
# echo $redirect_url;
header("Location: {$redirect_url}");
# redirect('https://pay-dev.klaseko.com/payments?t="{$response}"');
# header("Location: $response");
#header("Location: https://pay-dev.klaseko.com/payment?t=$response");
