test middleware

function ($request, $response, $next) {
	if ($request->isPost()) {
		$parsed_request = $request->getParsedBody();
		if ($parsed_request['key'] == "unhackable") {
		    $response = $next($request, $response);
		}
	} else {
	    $response = $next($request, $response);
	}

    return $response;
};