private function getInvokableCallbackData($callback) { $callbackObject = $callback[0]; $callbackMethodName = $callback[1]; $reflectionMethod = new \ReflectionMethod(get_class($callbackObject), $callbackMethodName); $reflectionMethod->setAccessible(true); return [self::CALLBACK_REFLECTION_METHOD => $reflectionMethod, self::CALLBACK_REFLECTION_OBJECT => $callbackObject]; }