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toImmMap

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 an immutable, integer-keyed map (ImmMap) based on the elements of the current Pair

public function toImmMap(): ImmMap<int, mixed>;

The keys are 0 and 1.

Returns​

Examples​

$p = Pair {'foo', -1.5};

$imm_map = $p->toImmMap();

\var_dump($imm_map is \HH\ImmMap<_, _>);
\var_dump($imm_map);