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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.

Move the async iterator to the next Awaitable position

public function next(): Awaitable<?(mixed, Tv)>;
foreach ($async_iter await $async_iter->next() $value)

The above is the longhand syntax for await as $value.

Returns​