function views_ajax_autocomplete_user

Page callback for views user autocomplete.

Parameters

string $string: (optional) A comma-separated list of user names entered in the autocomplete form element. If not passed, it is taken from the 'q' query string parameter.

Return value

Symfony\Component\HttpFoundation\JsonResponse

Related topics

Views AJAX library
Handles the server side AJAX interactions of Views.
1 call to views_ajax_autocomplete_user()
HandlerFilterUserNameTest::testUserAutocomplete in drupal/core/modules/views/lib/Drupal/views/Tests/User/HandlerFilterUserNameTest.php
Tests the autocomplete function.
1 string reference to 'views_ajax_autocomplete_user'
views_menu in drupal/core/modules/views/views.module
Implement hook_menu().

File

drupal/core/modules/views/includes/ajax.inc, line 291
Handles the server side AJAX interactions of Views.

Code

function views_ajax_autocomplete_user($string = NULL) {
  if (!isset($string)) {
    $string = drupal_container()
      ->get('request')->query
      ->get('q');
  }

  // 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);
    }
  }
  return new JsonResponse($matches);
}