radiobox values

how do I get to the radiobox values after submitting the form
I need to get to the color names.
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1=red
2=blue
3= green
​
I know this description is stored next to the field in $this in ["options"], but I don't know the path to it. Or there is another way to find this value?

Hi ernst,
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The simplest way is to use the names as values e.g. red=red
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Bob

but i still need to work with rate "1" and "red"
i need both for further processing in the form

Hi Ernst,
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You can use a few lines of custom code on submit to look up the 'extra' info you need.
​
Bob

I'm sorry, but I don't understand what you mean.
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I write my own php codes and own javascripts in the form, but I don't know how to use them to get to the required information

In PHP

$values = [1 => 'red', 2 => 'blue'];

return $values[$this->data('radio_group_input_name')] ?? null;

I understand clearly, but I wanted to avoid entering values in two places
I did it by giving
​

1 <span>red</span>

and I control the display and calculations by working with strings
​
in this example it's not so understandable, but imagine I have an event and its price:
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bar <span> 5 eur </span>
action 1 <span> 7 eur </span>
action 4 <span> 6 eur </span>

and I need to know the price and the action.
This is enough to write it once, but when writing
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5=bar
7=action 1 
6=action 4

I would have to change those values in the radiobox and in php
it would be user unfriendly