BetterReflection\Reflection\ReflectionFunctionAbstract::inNamespace PHP Method

Decide if this function is part of a namespace. Returns false if the class is in the global namespace or does not have a specified namespace.

public inNamespace ( ) : boolean
return	boolean

    public function inNamespace()
    {
        return null !== $this->declaringNamespace && null !== $this->declaringNamespace->name;
    }

ReflectionFunctionAbstract