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Is Enabled

hphp/hack/manual/apis/Functions/HH.rqtrace/is_enabled.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. :::

Checks wither rqtrace is enabled for the current request

Hack
namespace HH\rqtrace;

function is_enabled(): bool;

Returns

  • bool
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