I don't know much about PDO, but my feeling is there is something wrong with the way you bind the parameters. However, the easiest way to tell for sure is to see the actual query.
Corrected class function that works... Placed here in case someone would like it, to learn from, to use or what ever.
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.