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Function To Path

hphp/hack/manual/apis/Functions/HH.Facts/function_to_path.md

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:::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. :::

Hack
namespace HH\Facts;

function function_to_path(
  string $function_name,
): ?string;

Parameters

  • string $function_name

Returns

  • ?string
<!-- HHAPIDOC -->