PHP code example of italiamultimedia / xpay

1. Go to this page and download the library: Download italiamultimedia/xpay 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/ */

italiamultimedia / xpay example snippets


final class SimplePaymentService extends AbstractSimplePaymentService implements SimplePaymentServiceInterface
{
    protected function createCancelUrl(string $orderId): string
    {
        ...
    }

    protected function createNotificationUrl(string $orderId): string
    {
        ...
    }

    protected function createReturnUrl(string $orderId): string
    {
        ...
    }
}


final class RequestInputService extends AbstractRequestInputService implements RequestInputServiceInterface
{
    public const KEY_LANGUAGE = 'lang';
    
    public const KEY_ORDER_ID = 'orderId';
    
    protected function getValidationRule(string $key): string
    {
        return match ($key) {
            self::KEY_ORDER_ID => '/^[a-f0-9]{42}$/',
            default => parent::getValidationRule($key),
        };
    }
    
    protected function validateInput(string $key, string $value): bool
    {
        if ($key === self::KEY_LANGUAGE) {
            return $this->validateLanguageCode($value);
        }

        return parent::validateInput($key, $value);
    }
    
    private function validateLanguageCode(string $value): bool
    {
        if (!in_array($value, ['en', 'it'], true)) {
            throw new UnexpectedValueException('Invalid data.');
        }

        return true;
    }
}


<!doctype html>
<html>
    <head>
        ...
    </head>
    <body>
        <form id="payment_form" method="POST" action="<?=$paymentService->getSimplePaymentStartUrl()

// Validate order (get info from storage)
...

/**
 * Special situation: "mac" can be missing from the request.
 * Eg. try to pay already paid transaction.
 * In that situation we don't want to have a transaction error, however we also can not trust the request.
 * Simply do not process transaction.
 */
$processTransaction = true;
try {
    // Try to get mac
    $requestInputService->getValidatedString(RequestInput::MAC);
} catch (OutOfBoundsException) {
    $processTransaction = false;
}

if ($processTransaction) {
    // Validate transaction. Uses input data (_GET or _POST).
    $requestInputService->validateInputMac();

    // Store transaction result.
    ...
}

// Redirect back to website.
...


final class RecurringPaymentService extends AbstractRecurringPaymentService implements RecurringPaymentServiceInterface
{
    protected function createCancelUrl(string $orderId): string
    {
        ...
    }

    protected function createNotificationUrl(string $orderId): string
    {
        ...
    }

    protected function createReturnUrl(string $orderId): string
    {
        ...
    }
}


<!doctype html>
<html>
    <head>
        ...
    </head>
    <body>
        <form id="payment_form" method="POST" action="<?=$paymentService->getRecurringPaymentInitialUrl()