This does not work with ArrayAccess you could add yourself a public function that allows you to set a reference to an offset (sure, this looks different to using array syntax, so it's not really a sufficient answer).
What the manual is referring to are so called "indirect modifications". Consider the following script.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.