SkipWhile

:::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. :::

Returns a ConstMap containing the values of the current ConstMap starting after and including the first value that produces true when passed to the specified callback

public function skipWhile(
  (function(Tv): bool) $fn,
): ConstMap<Tk, Tv>;

The returned ConstMap will always be a proper subset of the current ConstMap.

Parameters

• (function(Tv): bool) $fn - The callback used to determine the starting element for the current ConstMap.

Returns

• ConstMap<Tk,Tv> - A ConstMap that is a proper subset of the current ConstMap starting after the callback returns true.