function rules_ui_element_date_validate

FAPI validation of a date element.

Makes sure the specified date format is correct and converts date values specify a fixed (= non relative) date to a timestamp. Relative dates are handled by the date input evaluator.

File

ui/ui.forms.inc, line 743

Code

function rules_ui_element_date_validate($element, &$form_state) {
    $value = $element['#value'];
    if ($value == '' || is_numeric($value) && intval($value) == $value) {
        // The value is a timestamp.
        return;
    }
    elseif (is_string($value) && RulesDateInputEvaluator::gmstrtotime($value) === FALSE) {
        form_error($element, t('Wrong date format. Specify the date in the format %format.', array(
            '%format' => gmdate('Y-m-d H:i:s', time() + 86400),
        )));
    }
    elseif (is_string($value) && RulesDateInputEvaluator::isFixedDateString($value)) {
        // As the date string specifies a fixed format, we can convert it now.
        $value = RulesDateInputEvaluator::gmstrtotime($value);
        form_set_value($element, $value, $form_state);
    }
}