hook_webform_select_options_info

gistfile1.php

/**
* Private implementation of hook_webform_select_options_info().
*
* @see webform_webform_select_options_info()
*/
function general_webform_select_options_info()
{
  $items = array();

  $items['people'] = array(
    'title' => t('People'),
    'options callback' => 'general_people_options'
  );

  return $items;
}
/**
* Option list containing the site users
*/
function general_people_options()
{
$q = db_query("SELECT `name`
                FROM {users}
                WHERE 1
                ORDER BY `name` ASC
               ");

$options = array();

while ($r = db_fetch_object($q))
{
  $options[$r -> name] = $r -> name;
}// WHILE

return $options;
}