Page callback for views user autocomplete

Related topics

File

includes/ajax.inc, line 287

Handles the server side AJAX interactions of Views.

Code

function views_ajax_autocomplete_user($string = '') {
  // The user enters a comma-separated list of user name. We only autocomplete the last name.
  $array = drupal_explode_tags($string);

  // Fetch last name
  $last_string = trim(array_pop($array));
  $matches = array();
  if ($last_string != '') {
    $prefix = count($array) ? implode(', ', $array) . ', ' : '';

    if (strpos('anonymous', strtolower($last_string)) !== FALSE) {
      $matches[$prefix . 'Anonymous'] = 'Anonymous';
    }

    $result = db_select('users', 'u')
      ->fields('u', array('uid', 'name'))
      ->condition('u.name', db_like($last_string) . '%', 'LIKE')
      ->range(0, 10)
      ->execute()
      ->fetchAllKeyed();

    foreach ($result as $account) {
      $n = $account;
      // Commas and quotes in terms are special cases, so encode 'em.
      if (strpos($account, ',') !== FALSE || strpos($account, '"') !== FALSE) {
        $n = '"' . str_replace('"', '""', $account) . '"';
      }
      $matches[$prefix . $n] = check_plain($account);
    }
  }

  drupal_json_output($matches);
}