1 form.inc date_validate($element)

Validates the date type to prevent invalid dates (e.g., February 30, 2006).

Related topics

File

core/includes/form.inc, line 3142
Functions for form and batch generation and processing.

Code

function date_validate($element) {
  if (!checkdate($element['#value']['month'], $element['#value']['day'], $element['#value']['year'])) {
    form_error($element, t('The specified date is invalid.'));
  }
}