Get Classname

:::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. :::

Returns the name of the class represented by this reified type

namespace HH\ReifiedGenerics;

function get_classname<T>(): classname<T>;

If this type does not represent a class, throws an exception

Returns

• classname<T>