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LastValue

hphp/hack/manual/apis/Classes/HH/ImmMap/lastValue.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. :::

Returns the last value in the current ImmMap

Hack
public function lastValue(): ?Tv;

Returns

  • ?Tv - The last value in the current ImmMap, or null if the current ImmMap is empty.

Examples

See Map::lastValue for usage examples.

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