ReflectionFunctionAbstract::hasTentativeReturnType	ReflectionFunctionAbstract::isClosure

ReflectionFunctionAbstract	Last updated: Mon, 26 Oct 2026

ReflectionFunctionAbstract::inNamespace

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

ReflectionFunctionAbstract::inNamespace — Checks if function in namespace

public function ReflectionFunctionAbstract::inNamespace(): bool

Checks whether a function is defined in a namespace.

This function has no parameters.

true if it's in a namespace, otherwise false