looking for php to create two table search
I am looking for a php tutorial or code that will allow me do a two table search for something like a book
So one field as genres of books Animals, Cars, DIY etc
person selects animals and the other search box gets filled with sub genres like cats, Dogs, Rabbits etc and when some one selects rabbits and presses search they see a list of books on rabbits
I know this is possible to do but I cant find anything online
Thanks
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