function date_popup_element_value_callback

Element value callback for date_popup element.

File

core/modules/date/date.elements.inc, line 939

Date forms and form themes and validation.

Code

function date_popup_element_value_callback($element, $input, &$form_state) {
  $granularity = date_format_order($element['#date_format']);
  $has_time = date_has_time($granularity);
  $date = NULL;
  $return = $has_time ? array('date' => '', 'time' => '') : array('date' => '');
  // Normal input from submitting the form element.
  // Check is_array() to skip the string input values created by Views pagers.
  // Those string values, if present, should be interpreted as empty input.
  if ($input !== FALSE && is_array($input)) {
    $return = $input;
    $date = date_popup_input_date($element, $input);
  }
  // No input? Try the default value.
  elseif (!empty($element['#default_value'])) {
    $date = date_default_date($element);
  }
  // Date with errors won't re-display.
  if (date_is_date($date)) {
    $return['date'] = !$date->timeOnly ? date_format_date($date, 'custom', _date_popup_date_format($element)) : '';
    $return['time'] = $has_time ? date_format_date($date, 'custom', _date_popup_time_format($element)) : '';
  }
  elseif (!empty($input)) {
    $return = $input;
  }
  return $return;

}