function date_validate in Drupal 7

Same name and namespace in other branches

1. 4 includes/form.inc \date_validate()
2. 5 includes/form.inc \date_validate()
3. 6 includes/form.inc \date_validate()

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

Related topics

1 string reference to 'date_validate'

system_element_info in modules/system/system.module

Implements hook_element_info().

File

includes/form.inc, line 3147

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.'));
  }
}