[Sync EN] reflection: ReflectionFunction::__construct() example expects bool param

[github-actions]

Commit: https://github.com/php/doc-en/commit/629dfc9ec496d66c49b626dfc72a4981e74d6250
PR: https://github.com/php/doc-en/pull/5591

Neue EN-Dateien (noch nicht übersetzt)

• reference/reflection/reflectionfunction/construct.xml