__construct

:::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.construct.php )

public function __construct(
  $name_or_closure,
);

Constructs a ReflectionFunction object.

Parameters

• $name_or_closure

Returns

• mixed - No value is returned.