fotospiel-app/app/Services/PayPal/PaypalClientFactory.php

<?php

namespace App\Services\PayPal;

use PaypalServerSdkLib\PaypalServerSdkClient;
use PaypalServerSdkLib\PaypalServerSdkClientBuilder;
use PaypalServerSdkLib\Authentication\ClientCredentialsAuthCredentialsBuilder;
use PaypalServerSdkLib\Environment;

class PaypalClientFactory
{
    public function make(?bool $sandbox = null, ?string $clientId = null, ?string $clientSecret = null): PaypalServerSdkClient
    {
        $clientId = $clientId ?? config('services.paypal.client_id');
        $clientSecret = $clientSecret ?? config('services.paypal.secret');
        $isSandbox = $sandbox ?? config('services.paypal.sandbox', true);

        $environment = $isSandbox ? Environment::SANDBOX : Environment::PRODUCTION;

        return PaypalServerSdkClientBuilder::init()
            ->clientCredentialsAuthCredentials(
                ClientCredentialsAuthCredentialsBuilder::init($clientId, $clientSecret)
            )
            ->environment($environment)
            ->build();
    }
}