PayPal PHP SDK Error handling

paypal.php

<?php

use PaypalServerSdkLib\Http;
use PaypalServerSdkLib\Exceptions;
use PaypalServerSdkLib\PaypalServerSdkClient;

class PaypalErrorWrapper {

	public function doSomePaypalAction() {

		/** @var PaypalServerSdkClient $client */
		try {
			$response = $client->getOrdersController()->createOrder($options);

			if ($response->isError()) {
				$this->simulateHTTPException($response);
			}
		}
		catch(Exceptions\ErrorException $exception) {
			// Do something with the Exception
		}

	}

	/**
	 * @throws Exceptions\ErrorException
	 */
	protected function simulateHTTPException(Http\ApiResponse $response): void {
		$result = $response->getResult();

		switch ($response->getStatusCode()) {
			case 400:
				$message = 'Request is not well-formed, syntactically incorrect, or violates schema.';
				break;

			case 401:
				$message = 'Authentication failed due to missing authorization header, or invalid authentication credentials.';
				break;

			case 403:
				$message = 'The authorized payment failed due to insufficient permissions.';
				break;

			case 404:
				$message = 'The specified resource does not exist.';
				break;

			case 409:
				$message = 'The request failed because a previous call for the given resource is in progress.';
				break;

			case 422:
				$message = 'The requested action could not be performed, semantically incorrect, or failed business validation.';
				break;

			case 500:
				$message = 'An internal server error has occurred.';
				break;
			default:
				$message = null;
		}

		if ($message && \is_array($result)) {
			$exception = new Exceptions\ErrorException($message, $response->getRequest(), new Http\HttpResponse($response->getStatusCode(), $response->getHeaders(), $response->getBody()), $result['name'], $result['message'], $result['debug_id']);
			$exception->setDetails($result['details']);

			throw $exception;
		}
	}
}