GetRequirementNames

:::info[Note] This is a point-in-time snapshot of the API documentation from January 2026. Going forward, we will not be maintaining a public copy of these references, and recommend users to refer to the built-in signature helpers available in the Hack LSP instead for complete and up-to-date information. :::

Gets the list of implemented interfaces/inherited classes needed to implement an interface / use a trait

public function getRequirementNames(): varray<string>;

Empty array for abstract and concrete classes.

Returns

• varray<string>