使用多个动态复选框更新多个数据库行

Question

I have a web app that dynamically creates a table of people that have been booked to work at an event with checkboxes to show which days.

I need to update the database to save the state of the checkboxes against each person. The database structure looks like this:

I have been looking around the web trying to work out how to loop through the table and update the relevant rows in the database but to no avail.

Answer 1

I'm going to implement the solution suggested by Kevin in the comments above.

... do a second table where you refer to the id and save every day for itself, so it is easier to delete and update/insert new days.