Hack has awaitables. I would highly recommend using hack over php (as it's mostly backward compatible anyway). https://docs.hhvm.com/hack/async/awaitables ht

Hack has awaitables. I would highly recommend using hack over php (as it's mostly backward compatible anyway). https://docs.hhvm.com/hack/async/awaitables https://docs.hhvm.com/hack/async/awaitables