Is there a way to assert for known specific values?

[dennis-fedco]

Is there an efficient concise way to Assert for known possible values ahead of time, i.e. if a variable has values of either 0 or 1 (strings)? This is for a specific case with checkboxes.

But what about a more general case, like {alpha, beta, gamma, zetta}?

[alejgr]

Assertion::choice may helps

Assertion::choice(mixed $value, array $choices);
Assertion::choicesNotEmpty(array $values, array $choices);