GetSkeleton

:::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. :::

Utility to return a unique skeleton from a given pattern

public function getSkeleton(
  string $pattern,
): string;

For example, both "MMM-dd" and "dd/MMM" produce the skeleton "MMMdd".

Parameters

• string $pattern - Input pattern, such as "dd/MMM"

Returns

• string - - skeleton such as "MMMdd"