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Midtrans-PHP

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Midtrans ❤️ PHP!

This is the Official PHP wrapper/library for Midtrans Payment API, that is compatible with Composer. Visit https://midtrans.com for more information about the product and see documentation at http://docs.midtrans.com for more technical details.

1. Installation

1.a Composer Installation

If you are using Composer, you can install via composer CLI:

composer require midtrans/midtrans-php

or

add this require line to your composer.json file:

{
    "require": {
        "midtrans/midtrans-php": "2.*"
    }
}

and run composer install on your terminal.

Note: If you are using Laravel framework, in some case you also need to run composer dumpautoload

/Midtrans will then be available (auto loaded) as Object in your Laravel project.

1.b Manual Instalation

If you are not using Composer, you can clone or download this repository.

Then you should require/autoload Midtrans.php file on your code.

require_once dirname(__FILE__) . '/pathofproject/Midtrans.php';

// my code goes here

2. How to Use

2.1 General Settings

// Set your Merchant Server Key
\Midtrans\Config::$serverKey = '<your server key>';
// Set to Development/Sandbox Environment (default). Set to true for Production Environment (accept real transaction).
\Midtrans\Config::$isProduction = false;
// Set sanitization on (default)
\Midtrans\Config::$isSanitized = true;
// Set 3DS transaction for credit card to true
\Midtrans\Config::$is3ds = true;

Override Notification URL

You can opt to change or add custom notification urls on every transaction. It can be achieved by adding additional HTTP headers into charge request.

// Add new notification url(s) alongside the settings on Midtrans Dashboard Portal (MAP)
Config::$appendNotifUrl = "https://example.com/test1,https://example.com/test2";
// Use new notification url(s) disregarding the settings on Midtrans Dashboard Portal (MAP)
Config::$overrideNotifUrl = "https://example.com/test1";

More details

Note: When both appendNotifUrl and overrideNotifUrl are used together then only overrideNotifUrl will be used.

Both header can only receive up to maximum of 3 urls.

2.2 Choose Product/Method

We have 3 different products of payment that you can use:

  • Snap - Customizable payment popup will appear on your web/app (no redirection). doc ref
  • Snap Redirect - Customer need to be redirected to payment url hosted by midtrans. doc ref
  • Core API (VT-Direct) - Basic backend implementation, you can customize the frontend embedded on your web/app as you like (no redirection). doc ref

Choose one that you think best for your unique needs.

2.2.a Snap

You can see Snap example here.

Get Snap Token

$params = array(
    'transaction_details' => array(
        'order_id' => rand(),
        'gross_amount' => 10000,
    )
);

$snapToken = \Midtrans\Snap::getSnapToken($params);

Initialize Snap JS when customer click pay button

<html>
  <body>
    <button id="pay-button">Pay!</button>
    <pre><div id="result-json">JSON result will appear here after payment:<br></div></pre> 

<!-- TODO: Remove ".sandbox" from script src URL for production environment. Also input your client key in "data-client-key" -->
    <script src="https://app.sandbox.midtrans.com/snap/snap.js" data-client-key="<Set your ClientKey here>"></script>
    <script type="text/javascript">
      document.getElementById('pay-button').onclick = function(){
        // SnapToken acquired from previous step
        snap.pay('<?=$snapToken?>', {
          // Optional
          onSuccess: function(result){
            /* You may add your own js here, this is just example */ document.getElementById('result-json').innerHTML += JSON.stringify(result, null, 2);
          },
          // Optional
          onPending: function(result){
            /* You may add your own js here, this is just example */ document.getElementById('result-json').innerHTML += JSON.stringify(result, null, 2);
          },
          // Optional
          onError: function(result){
            /* You may add your own js here, this is just example */ document.getElementById('result-json').innerHTML += JSON.stringify(result, null, 2);
          }
        });
      };
    </script>
  </body>
</html>

Implement Notification Handler

Refer to this section

2.2.b Snap Redirect

You can see some Snap Redirect examples here.

Get Redirection URL of a Payment Page

$params = array(
    'transaction_details' => array(
        'order_id' => rand(),
        'gross_amount' => 10000,
    )
);

try {
  // Get Snap Payment Page URL
  $paymentUrl = \Midtrans\Snap::createTransaction($params)->redirect_url;
  
  // Redirect to Snap Payment Page
  header('Location: ' . $paymentUrl);
}
catch (Exception $e) {
  echo $e->getMessage();
}

Implement Notification Handler

Refer to this section

2.2.c Core API (VT-Direct)

You can see some Core API examples here.

Set Client Key

MidtransNew3ds.clientKey = "<your client key>";

Checkout Page

Please refer to this file

Checkout Process

1. Create Transaction Details
$transaction_details = array(
  'order_id'    => time(),
  'gross_amount'  => 200000
);
2. Create Item Details, Billing Address, Shipping Address, and Customer Details (Optional)
// Populate items
$items = array(
    array(
        'id'       => 'item1',
        'price'    => 100000,
        'quantity' => 1,
        'name'     => 'Adidas f50'
    ),
    array(
        'id'       => 'item2',
        'price'    => 50000,
        'quantity' => 2,
        'name'     => 'Nike N90'
    )
);

// Populate customer's billing address
$billing_address = array(
    'first_name'   => "Andri",
    'last_name'    => "Setiawan",
    'address'      => "Karet Belakang 15A, Setiabudi.",
    'city'         => "Jakarta",
    'postal_code'  => "51161",
    'phone'        => "081322311801",
    'country_code' => 'IDN'
);

// Populate customer's shipping address
$shipping_address = array(
    'first_name'   => "John",
    'last_name'    => "Watson",
    'address'      => "Bakerstreet 221B.",
    'city'         => "Jakarta",
    'postal_code'  => "51162",
    'phone'        => "081322311801",
    'country_code' => 'IDN'
);

// Populate customer's info
$customer_details = array(
    'first_name'       => "Andri",
    'last_name'        => "Setiawan",
    'email'            => "[email protected]",
    'phone'            => "081322311801",
    'billing_address'  => $billing_address,
    'shipping_address' => $shipping_address
);
3. Get Token ID from Checkout Page
// Token ID from checkout page
$token_id = $_POST['token_id'];
4. Create Transaction Data
// Transaction data to be sent
$transaction_data = array(
    'payment_type' => 'credit_card',
    'credit_card'  => array(
        'token_id'      => $token_id,
        'authentication'=> true,
//        'bank'          => 'bni', // optional to set acquiring bank
//        'save_token_id' => true   // optional for one/two clicks feature
    ),
    'transaction_details' => $transaction_details,
    'item_details'        => $items,
    'customer_details'    => $customer_details
);
5. Charge
$response = \Midtrans\CoreApi::charge($transaction_data);
6. Credit Card 3DS Authentication

The credit card charge result may contains redirect_url for 3DS authentication. 3DS Authentication should be handled on Frontend please refer to API docs

For full example on Credit Card 3DS transaction refer to:

7. Handle Transaction Status
// Success
if($response->transaction_status == 'capture') {
    echo "<p>Transaksi berhasil.</p>";
    echo "<p>Status transaksi untuk order id $response->order_id: " .
        "$response->transaction_status</p>";

    echo "<h3>Detail transaksi:</h3>";
    echo "<pre>";
    var_dump($response);
    echo "</pre>";
}
// Deny
else if($response->transaction_status == 'deny') {
    echo "<p>Transaksi ditolak.</p>";
    echo "<p>Status transaksi untuk order id .$response->order_id: " .
        "$response->transaction_status</p>";

    echo "<h3>Detail transaksi:</h3>";
    echo "<pre>";
    var_dump($response);
    echo "</pre>";
}
// Challenge
else if($response->transaction_status == 'challenge') {
    echo "<p>Transaksi challenge.</p>";
    echo "<p>Status transaksi untuk order id $response->order_id: " .
        "$response->transaction_status</p>";

    echo "<h3>Detail transaksi:</h3>";
    echo "<pre>";
    var_dump($response);
    echo "</pre>";
}
// Error
else {
    echo "<p>Terjadi kesalahan pada data transaksi yang dikirim.</p>";
    echo "<p>Status message: [$response->status_code] " .
        "$response->status_message</p>";

    echo "<pre>";
    var_dump($response);
    echo "</pre>";
}

8. Implement Notification Handler

Refer to this section

2.3 Handle HTTP Notification

Create separated web endpoint (notification url) to receive HTTP POST notification callback/webhook. HTTP notification will be sent whenever transaction status is changed. Example also available here

$notif = new \Midtrans\Notification();

$transaction = $notif->transaction_status;
$fraud = $notif->fraud_status;

error_log("Order ID $notif->order_id: "."transaction status = $transaction, fraud staus = $fraud");

if ($transaction == 'capture') {
    if ($fraud == 'challenge') {
      // TODO Set payment status in merchant's database to 'challenge'
    }
    else if ($fraud == 'accept') {
      // TODO Set payment status in merchant's database to 'success'
    }
}
else if ($transaction == 'cancel') {
    if ($fraud == 'challenge') {
      // TODO Set payment status in merchant's database to 'failure'
    }
    else if ($fraud == 'accept') {
      // TODO Set payment status in merchant's database to 'failure'
    }
}
else if ($transaction == 'deny') {
      // TODO Set payment status in merchant's database to 'failure'
}

2.4 Process Transaction

Get Transaction Status

$status = \Midtrans\Transaction::status($orderId);
var_dump($status);

Approve Transaction

If transaction fraud_status == CHALLENGE, you can approve the transaction from Merchant Dashboard, or API :

$approve = \Midtrans\Transaction::approve($orderId);
var_dump($approve);

Cancel Transaction

You can Cancel transaction with fraud_status == CHALLENGE, or credit card transaction with transaction_status == CAPTURE (before it become SETTLEMENT)

$cancel = \Midtrans\Transaction::cancel($orderId);
var_dump($cancel);

Expire Transaction

You can Expire transaction with transaction_status == PENDING (before it become SETTLEMENT or EXPIRE)

$cancel = \Midtrans\Transaction::cancel($orderId);
var_dump($cancel);

Refund Transaction

Refund a transaction (not all payment channel allow refund via API) You can Refund transaction with transaction_status == settlement

$params = array(
    'refund_key' => 'order1-ref1',
    'amount' => 10000,
    'reason' => 'Item out of stock'
);
$refund = \Midtrans\Transaction::refund($orderId, $params);
var_dump($refund);

Direct Refund Transaction

Refund a transaction via Direct Refund API You can Refund transaction with transaction_status == settlement

$params = array(
    'refund_key' => 'order1-ref1',
    'amount' => 10000,
    'reason' => 'Item out of stock'
);
$direct_refund = \Midtrans\Transaction::refundDirect($orderId, $params);
var_dump($direct_refund);

Unit Test

Integration Test (sandbox real transactions)

Please change server key and client key on phpunit.xml to your own.

All Test

vendor/bin/phpunit

Specific Test

vendor/bin/phpunit tests/integration/CoreApiIntegrationTest.php

Contributing

Developing e-commerce plug-ins

There are several guides that must be taken care of when you develop new plugins.

  1. Handling currency other than IDR. Midtrans v1 and v2 currently accepts payments in Indonesian Rupiah only. As a corrolary, there is a validation on the server to check whether the item prices are in integer or not. As much as you are tempted to round-off the price, DO NOT do that! Always prepare when your system uses currencies other than IDR, convert them to IDR accordingly, and only round the price AFTER that.

  2. Consider using the auto-sanitization feature.

About

Official Midtrans Payment API Client for PHP | https://midtrans.com

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