Dynamic Fun

:::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. :::

Construct a function pointer for the function with $name

namespace HH;

function dynamic_fun(
  string $func_name,
): dynamic;

The function should be marked __DynamicallyCallable.

Parameters

• string $func_name

Returns

• dynamic