PHP code example of nedarta / yii2-omnipay

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

nedarta / yii2-omnipay example snippets

return [
    'components' => [
        'stripe' => [
            'class' => 'nedarta\omnipay\OmniPayComponent',
            'gateway' => 'Stripe',
            'parameters' => [
                'apiKey' => 'sk_test_51Px...your_stripe_secret_key...',
            ],
        ],
        'paypal' => [
            'class' => 'nedarta\omnipay\OmniPayComponent',
            'gateway' => 'PayPal_Express',
            'parameters' => [
                'username' => 'paypal-developer_api1.example.com',
                'password' => 'ABC123XYZ456',
                'signature' => 'AFcWxV21C7fd0xs3bSMuz153.4VeA1F-34zQv1F.c7',
            ],
            'testMode' => true, // Optional global shortcut
        ],
    ],
];

namespace app\controllers;

use Yii;
use yii\web\Controller;
use yii\web\BadRequestHttpException;

class PaymentController extends Controller
{
    /**
     * Process a direct credit card charge via Stripe
     */
    public function actionStripeCharge()
    {
        $request = Yii::$app->request;
        
        // Stripe token generated on the frontend by Stripe.js Elements
        $token = $request->post('stripeToken');
        $amount = 29.99; // Amount in USD
        
        if (!$token) {
            throw new BadRequestHttpException('Missing stripe payment token.');
        }

        try {
            // Direct call to Stripe gateway purchase() via magic method delegation
            $response = Yii::$app->stripe->purchase([
                'amount' => $amount,
                'currency' => 'USD',
                'token' => $token,
                'description' => 'Order #1042 Payment',
            ])->send();

            if ($response->isSuccessful()) {
                $transactionReference = $response->getTransactionReference();
                Yii::$app->session->setFlash('success', "Payment successful! Ref: {$transactionReference}");
                return $this->redirect(['site/success']);
            } elseif ($response->isRedirect()) {
                // Redirect to 3D Secure / off-site authentication if 

namespace app\controllers;

use Yii;
use yii\web\Controller;
use yii\helpers\Url;

class PaypalController extends Controller
{
    /**
     * Start the PayPal Express Checkout flow
     */
    public function actionCheckout()
    {
        $amount = 99.00;

        try {
            // Direct call to purchase() via magic method delegation on the paypal component
            $response = Yii::$app->paypal->purchase([
                'amount' => $amount,
                'currency' => 'USD',
                'description' => 'Premium Subscription - Annual Plan',
                'returnUrl' => Url::to(['paypal/success'], true),
                'cancelUrl' => Url::to(['paypal/cancel'], true),
            ])->send();

            if ($response->isRedirect()) {
                // Redirect to PayPal checkout page
                return $response->redirect();
            } else {
                Yii::$app->session->setFlash('error', $response->getMessage());
            }
        } catch (\Exception $e) {
            Yii::$app->session->setFlash('error', "Could not initiate payment: " . $e->getMessage());
        }

        return $this->redirect(['site/checkout']);
    }
}

    /**
     * Complete the PayPal payment after successful return
     */
    public function actionSuccess()
    {
        $request = Yii::$app->request;
        
        $token = $request->get('token');
        $payerId = $request->get('PayerID');

        try {
            // Direct call to completePurchase() via magic method delegation
            $response = Yii::$app->paypal->completePurchase([
                'amount' => 99.00,
                'currency' => 'USD',
                'transactionReference' => $token,
                'payerId' => $payerId,
            ])->send();

            if ($response->isSuccessful()) {
                $data = $response->getData();
                $transactionId = $data['PAYMENTINFO_0_TRANSACTIONID'] ?? 'Unknown';

                Yii::$app->session->setFlash('success', "PayPal payment completed successfully! Transaction ID: {$transactionId}");
                return $this->redirect(['site/success']);
            } else {
                Yii::$app->session->setFlash('error', "Transaction completion failed: " . $response->getMessage());
            }
        } catch (\Exception $e) {
            Yii::$app->session->setFlash('error', "An error occurred during verification: " . $e->getMessage());
        }

        return $this->redirect(['site/checkout']);
    }

    /**
     * Handle user cancellation
     */
    public function actionCancel()
    {
        Yii::$app->session->setFlash('info', 'You have cancelled the PayPal payment checkout process.');
        return $this->redirect(['site/checkout']);
    }

Yii::$app->stripe->setParameters([
    'apiKey' => 'sk_test_dynamic_merchant_key...',
]);

Yii::$app->stripe->reinitialize([
    'gateway' => 'PayPal_Express',
    'testMode' => true,
    'parameters' => [
        'username' => 'merchant-dynamic_api1.example.com',
        'password' => 'SECRET_PWD_123',
        'signature' => 'SIG_XYZ...',
    ],
]);

namespace app\controllers;

use Yii;
use yii\web\Controller;

class WebhookController extends Controller
{
    /**
     * @inheritdoc
     */
    public function beforeAction($action)
    {
        if ($action->id === 'stripe-webhook' || $action->id === 'paypal-ipn') {
            $this->enableCsrfValidation = false;
        }

        return parent::beforeAction($action);
    }

    public function actionStripeWebhook()
    {
        // Process Stripe webhook signature and handle notification
    }
}