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__toString

hphp/hack/manual/apis/Classes/ReflectionFunction/0.__toString.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. :::

( excerpt from http://php.net/manual/en/reflectionfunction.tostring.php )

Hack
public function __toString(): string;

Returns

  • string - A representation of this ReflectionFunction.
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