template_preprocess_datetime_form(&$variables)
Prepares variables for datetime form element templates.
The datetime form element serves as a wrapper around the date element type, which creates a date and a time component for a date.
Default template: datetime-form.html.twig.
Parameters
array $variables: An associative array containing:
element: An associative array containing the properties of the element. Properties used: #title, #value, #options, #description, #required, #attributes.