src/LightSaml/Binding/BindingFactory.php
public function detectBindingType(Request $request)
    {
        $requestMethod = trim(strtoupper($request->getMethod()));
        if ('GET' == $requestMethod) {
            return $this->processGET($request);
        } elseif ('POST' == $requestMethod) {
            return $this->processPOST($request);
        }

        return null;
    }
public function detectBindingType(Request $request)
    {
        $requestMethod = trim(strtoupper($request->getMethod()));
        if ('GET' == $requestMethod) {
            return $this->processGET($request);
        } elseif ('POST' == $requestMethod) {
            return $this->processPOST($request);
        }

        return null;
    }
@param Request $request

@return string|null