function _user_reference_get_user_names in References 7.2

Helper function for widgets and formatters.

Store user names collected in the curent request.

1 call to _user_reference_get_user_names()

user_reference_autocomplete_validate in user_reference/user_reference.module

Validation callback for a user_reference autocomplete element.

File

user_reference/user_reference.module, line 555

Defines a field type for referencing a user from a node.

Code

function _user_reference_get_user_names($uids, $known_titles = array()) {
  $titles =& drupal_static(__FUNCTION__, array());

  // Save titles we receive.
  $titles += $known_titles;

  // Collect nids to retrieve from database.
  $uids_query = array();
  foreach ($uids as $uid) {
    if (!isset($titles[$uid])) {
      $uids_query[] = $uid;
    }
  }
  if ($uids_query) {
    $query = db_select('users', 'u')
      ->fields('u', array(
      'uid',
      'name',
    ))
      ->condition('u.uid', $uids);
    $titles += $query
      ->execute()
      ->fetchAllKeyed();
  }

  // Build the results array.
  $return = array();
  foreach ($uids as $uid) {
    $return[$uid] = isset($titles[$uid]) ? $titles[$uid] : '';
  }
  return $return;
}