'How can i link a mysql database to handsontable?

I'm working on a symfony project and I decided to use handsontable. However, I don't understand at all how to save data entered in handsontable because I'm new to all this. I tried to redo the example but without success. Could someone explain me how to do it? Thanks in advance

https://handsontable.com/docs/saving-data/#saving-changes-using-a-callback



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