function date_default_value_part

Helper function for the date default value callback to set either 'value' or 'value2' to its default value.

File

core/modules/date/date.elements.inc, line 890

Date forms and form themes and validation.

Code

function date_default_value_part($item, $field, $instance, $langcode, $part = 'value') {
  $timezone = date_get_timezone($field['settings']['tz_handling']);
  $timezone_db = date_get_timezone_db($field['settings']['tz_handling']);
  $date = NULL;
  if ($part == 'value') {
    $default_value = $instance['settings']['default_value'];
    $default_value_code = $instance['settings']['default_value_code'];
  }
  else {
    $default_value = $instance['settings']['default_value2'];
    $default_value_code = $instance['settings']['default_value_code2'];
  }
  if (empty($default_value) || $default_value == 'blank') {
    return NULL;
  }
  elseif ($default_value == 'strtotime' && !empty($default_value_code)) {
    $date = new BackdropDateTime($default_value_code, date_default_timezone());
  }
  elseif ($part == 'value2' && $default_value == 'same') {
    if ($instance['settings']['default_value'] == 'blank' || empty($item[0]['value'])) {
      return NULL;
    }
    else {
      // Consider timestamps.
      $string = is_numeric($item[0]['value']) ? '@' . $item[0]['value'] : $item[0]['value'];
      // The date stored in 'value' has already been switched to the db timezone.
      $date = new BackdropDateTime($string, $timezone_db, DATE_FORMAT_DATETIME);
    }
  }
  // Special case for 'now' when using dates with no timezone,
  // make sure 'now' isn't adjusted to UTC value of 'now' .
  elseif ($field['settings']['tz_handling'] == 'none') {
    $date = date_now();
  }
  else {
    $date = date_now($timezone);
  }
  // The default value needs to be in the database timezone.
  if (empty($date->errors)) {
    date_timezone_set($date, timezone_open($timezone_db));
  }
  $date->limitGranularity($field['settings']['granularity']);
  return $date;
}