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@RickJames The user comes to the website selecting "I want pizza/sushi/kebab/..." and then get a list of restaurants. In this case he selected restaurant with ID 1. It is NOT the case that a list of dishes is listed before a restaurant is selected.
But the question remains: In your second step, when I fill up Receiver with the data from receiver_name and receiver_email, how do I link the ID of the newly inserted rows to column receiver_id?
