Magento 2: Customer account create Date of Birth field seprate dropdown

Question

I have to add Date of Birth as a seprate dorpdown DD MM YYYY formate in customer account create form and my account section.

I have implement dob.phtml and dob-validation-dropdown.js but not saving data, when submit create account form getting error.

Error:

ValueError: bcsub(): Argument #1 ($num1) is not well-formed in /var/www/html/magento24/vendor/magento/zendframework1/library/Zend/Locale/Math.php:259 Stack trace: #0 /var/www/html/magento24/vendor/magento/zendframework1/library/Zend/Locale/Math.php(259): bcsub() #1 /var/www/html/magento24/vendor/magento/zendframework1/library/Zend/Locale/Format.php(385): Zend_Locale_Math::Sub() #2 /var/www/html/magento24/vendor/magento/zendframework1/library/Zend/Locale/Format.php(662): Zend_Locale_Format::toNumber()

Answer 1

You need to reformat dob in one field as yyyy-mm-dd in controller. and then magento will save dob automatically