Set a hidden field value by a date

[sercofim]

Hi,
I have to set a hidden field value calculating the age by an inserted date of birth. The calculation is not from ‘now’ but from a future date (the date of an event). I have to set two categories ‘under 14 years old’ and ‘over 40 years old’ in the date of a future event.
Is there a way to get this from a custom php code or in other ways?
Thank you!

[Ally]

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[sercofim]

Hi Ally,
Thank you for your reply.
What about following php code?

add_filter(‘quform_post_validate_1’, function (array $result, Quform_Form $form) {
$date_birth = $form->getValue(‘quform_1_12’);
$age = date_diff(date_create($date_birth), date_create(‘2018-08-05’))->y;

if ($age >= 40) {
$form->setValue(‘quform_1_58’, ‘OVER40’);
} elseif ($age < 14) {
$form->setValue(‘quform_1_58’, ‘UNDER14’);
} else {
$form->setValue(‘quform_1_58′,’UNDER40’);
}

return $result;
}, 10, 2);

[Ally]

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