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    $options['second_date_format_custom'] = array('default' => '');

    $options['second_date_format'] = array('default' => 'small');

        'today time ago' => t('Time ago (with "ago" appended) for today\'s date, but not for other dates'),

      '#dependency' => array('edit-options-date-format' => array('custom', 'raw time ago', 'time ago', 'today time ago', 'raw time hence', 'time hence', 'raw time span', 'time span', 'raw time span', 'inverse time span', 'time span')),

    $form['second_date_format'] = array(

     '#type' => 'select',

     '#title' => t('Second date format'),

     '#options' => $date_formats + array(

       'custom' => t('Custom'),

     ),

     '#description' => t('The date format which will be used for rendering dates other than today.'),

     '#default_value' => isset($this->options['second_date_format']) ? $this->options['second_date_format'] : 'small',

     '#dependency' => array('edit-options-date-format' => array('today time ago')),

   );

   $form['second_date_format_custom'] = array(

     '#type' => 'textfield',

     '#title' => t('Custom date format of second date'),

     '#description' => t('If "Custom" is selected in "Second date format", see the <a href="@url" target="_blank">PHP manual</a> for date formats. Otherwise, enter the number of different time units to display, which defaults to 2.', array('@url' => 'http://php.net/manual/function.date.php')),

     '#default_value' => isset($this->options['second_date_format_custom']) ? $this->options['second_date_format_custom'] : '',

     // We have to use states instead of ctools dependency because dependency

     // doesn't handle multiple conditions.

     '#states' => array(

       'visible' => array(

         '#edit-options-date-format' => array('value' => 'today time ago'),

         '#edit-options-second-date-format' => array('value' => 'custom'),

       ),

     ),

     // We have to use ctools dependency too because states doesn't add the

     // correct left margin to the element's wrapper.

     '#dependency' => array(

       // This condition is handled by form API's states.

//        'edit-options-date-format' => array('today time ago'),

       'edit-options-second-date-format' => array('custom'),

     ),

   );

    if (in_array($format, array('custom', 'raw time ago', 'time ago', 'today time ago', 'raw time hence', 'time hence', 'raw time span', 'time span', 'raw time span', 'inverse time span', 'time span'))) {

        case 'today time ago':

          $second_format = $this->options['second_date_format'];

          $second_custom_format = $this->options['second_date_format_custom'];

          if (format_date(REQUEST_TIME, 'custom', 'Y-m-d', $timezone) == format_date($value, 'custom', 'Y-m-d', $timezone)) {

            return t('%time ago', array('%time' => format_interval($time_diff, is_numeric($custom_format) ? $custom_format : 2)));

          }

          elseif ($second_format == 'custom') {

            if ($second_custom_format == 'r') {

              return format_date($value, $second_format, $second_custom_format, $timezone, 'en');

            }

            return format_date($value, $second_format, $second_custom_format, $timezone);

          }

          else {

            return format_date($value, $this->options['second_date_format'], '', $timezone);

          }