1. Go to this page and download the library: Download openkos/platform library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
openkos / platform example snippets
use OpenKOS\Core\Contracts\PaymentGateway;
use OpenKOS\Core\Data\Payment\CheckoutInstruction;
use OpenKOS\Core\Data\Payment\CheckoutInstructions;
use OpenKOS\Core\Data\Payment\PaymentCreationResult;
use OpenKOS\Core\Data\Payment\PaymentRequest;
use OpenKOS\Core\Data\Payment\PaymentWebhookRequest;
use OpenKOS\Core\Data\Payment\PaymentWebhookResult;
use OpenKOS\Core\Enums\PaymentStatus;
use OpenKOS\Core\Exceptions\PaymentWebhookVerificationException;
final class ExampleGateway implements PaymentGateway
{
public function createPayment(PaymentRequest $request): PaymentCreationResult
{
return new PaymentCreationResult(
providerReference: $this->providerReference($request),
status: PaymentStatus::Pending,
amount: $request->amount,
instructions: new CheckoutInstructions(
url: 'https://provider.example/checkout',
entries: [
new CheckoutInstruction('retail_code', '1234567890', 'Payment code'),
],
),
);
}
public function handleCallback(PaymentWebhookRequest $request): PaymentWebhookResult
{
if (! $this->isValidSignature($request)) {
throw new PaymentWebhookVerificationException('Webhook signature is invalid.');
}
return $this->normalizeCallback($request);
}
// key(), displayName(), configurationSchema(), and provider mapping omitted.
}