Update to v2

[neomerx]

• Improve performance and caching support;
• Improve support in IE #31;
• Refactor;
• Newer PHPUnit;
• Add strong typing, min PHP 7.1.

[tuupola]

What are the BC breaks compared to 1.x?

[neomerx]

@tuupola new class for settings. Also strong typing everywhere which might require method signature updates. I've already migrated one of the projects and only settings part needed updates. Overall it was rather easy. BTW settings now support caching.

[neomerx]

@tuupola For you, I think, it will only be needed to change buildSettings to something like

private function buildSettings(ServerRequestInterface $request, ResponseInterface $response): AnalysisStrategyInterface
{
    $cacheIsAvailable = ...;
    if ($cacheIsAvailable === true) {
        $cachedData = $this->getCorsCachedSettings();
        return (new CorsSettings())->setData($cachedData);
    }
    $settings = (new CorsSettings())
        ->setServerOrigin('https', 'api.example.com', 443)
        ->setPreFlightCacheMaxAge(0)
        ->setCredentialsSupported()
        ->setAllowedOrigins(['https://www.example.com', ...]) // or enableAllOriginsAllowed()
        ->setAllowedMethods(['GET', 'POST', 'DELETE', ...])   // or enableAllMethodsAllowed()
        ->setAllowedHeaders(['X-Custom-Header', ...])         // or enableAllHeadersAllowed()
        ->setExposedHeaders(['X-Custom-Header', ...])
        ->disableAddAllowedMethodsToPreFlightResponse()
        ->disableAddAllowedHeadersToPreFlightResponse()
        ->enableCheckHost();

    // cache settings
    $dataToCache = $settings->getData();
    ...

    return $settings;
}

[tuupola]

Quickly testing it also seems that calling ->setServerOrigin() is now mandatory.