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register_postsend_function

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.

function register_postsend_function<T>(
  (function(): T) $function,
): void;

Parameters​

  • (function(): T) $function

Returns​

  • void