PHP's null coalescing operator:
firstWorking() ?? getItFromTheCache() ?? getItFromTheDataBase() ?? getItFromAnExternalApi() ?? computeItTheSlowWay() ?? defaultValue;
Perl OR short-circuit:
firstWorking() or getItFromTheCache() or getItFromTheDataBase() or getItFromAnExternalApi() or computeItTheSlowWay() or defaultValue;