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GetClassName

hphp/hack/manual/apis/Classes/FunctionCredential/getClassName.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
final public function getClassName(): ?string;

Returns

  • ?string
<!-- HHAPIDOC -->