PHP Mysqli prepared not creating statement object?

This isn't an answer to your question, as you already answered it. Just an unsolicited suggestion. I'm not sure how often that query will be run, or how many categories could be appended to it, but you may want to consider using the WHERE IN syntax.

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.