| 1 date.module | date_formatter_format($formatter, $settings, $granularity = array(), $langcode = NULL) | 
Retrieve a date format string from formatter settings.
File
- core/modules/ date/ date.module, line 516 
- Defines date/time field types.
Code
function date_formatter_format($formatter, $settings, $granularity = array(), $langcode = NULL) {
  $format_type = !empty($settings['format_type']) ? $settings['format_type'] : 'format_interval';
  switch ($formatter) {
    case 'format_interval':
      return 'format_interval';
    case 'date_plain':
      return 'date_plain';
    default:
      $format = date_format_type_format($format_type, $langcode);
      break;
  }
  // A selected format might include timezone information.
  array_push($granularity, 'timezone');
  return date_limit_format($format, $granularity);
}
