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Method Attributes

hphp/hack/manual/apis/Functions/HH.Facts/method_attributes.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. :::

Get all attributes on the given method

Hack
namespace HH\Facts;

function method_attributes(
  classname<mixed> $type,
  string $method,
): vec<string, classname<\HH\MethodAttribute>>;

Return an empty vec if the method does not exist.

Throw InvalidOperationException if Facts is not enabled.

Parameters

  • classname<mixed> $type
  • string $method

Returns

  • vec<string, classname<\HH\MethodAttribute>>
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