date_validate
function date_validate
date_validate($element)
Validates the date type to prevent invalid dates (e.g., February 30, 2006).
Related topics
File
- includes/form.inc, line 3136
- Functions for form and batch generation and processing.
Code
function date_validate($element) { if (!checkdate($element['#value']['month'], $element['#value']['day'], $element['#value']['year'])) { form_error($element, t('The specified date is invalid.')); } }
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https://api.drupal.org/api/drupal/includes!form.inc/function/date_validate/7.x