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Ext Watchman Version

hphp/hack/manual/apis/Functions/HH/ext_watchman_version.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. :::

This should be bumped with every non-backwards compatible API change

Hack
namespace HH;

function ext_watchman_version(): int;

1 => first version

Returns

  • int
<!-- HHAPIDOC -->