Checking which of the checkboxes are selected and sending in an email?

Question

PHP

The site has the following form:

I don't understand php myself, how can I check which of the checkboxes are selected and send it in an email?

Answer 1

Give checkboxes the same name if they are of the same data type.
Set the checkboxes to `value` so that the server understands which checkbox with which value is selected.
When submitting the form to the server, it will go away, something like this

{
  "phone" : "+7xxxxxxxxxx"
  "check": 'value2'
}