sdk headers causing vcr tests to fail when change in php version

[Mohammed Elhaouari]

VCR is a PHP library used to mock requests to third-party APIs.

if you are using VCR for your project to mock request to PayPal using Http Paypal Client the request will include some extra headers :

    /**
     * Inject Paypal SDK headers into the request.
     *
     * @return \GuzzleHttp\Psr7\Request
     */
    public function injectSdkHeaders(Request $request)
    {
        return $request->withHeader('sdk_name', 'Checkout SDK')
                    ->withHeader('sdk_version', '1.0.0')
                    ->withHeader('sdk_tech_stack', 'PHP '.PHP_VERSION);
    }

as you see the sdk_tech_stack header is injecting the runtime PHP version. wich is causing VCR tests to fail when using different environments to run tests (ex: Local running on PHP 7.4.16, Github action running on PHP 7.4.18)

a quick fix for this would be to detect if the environment is a sandbox environment and not inject those headers.