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getAttributeClass

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.

final public function getAttributeClass<T as HH\TypeAliasAttribute>(
  classname<T> $c,
): ?T;

Parameters​

  • classname<T> $c

Returns​

  • ?T